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                    <text>3rd International Symposium on Sustainable Development, May 31 - June 01 2012, Sarajevo

REFERENCES
Agency of Statistics of Bosnia and Herzegovina www.bhas.ba
“Bosnia and Herzegovina: Letter of Intent and Technical Memorandum of Understanding“,
Published:June 16, 2009, Available at IMF officaila page www.imf.org,
“Bosnia and Herzegovina: Letter of Intent and Technical Memorandum of Understanding“,
Published:June 16, 2009, Available at IMF offical page www.imf.org
Central Bank of Bosnia and Herzegovina, Various Issues, www.cbbh.ba
Consequences of the global financial crisis on BiH economy“, Source: FENA, Published:
December 30, 2008., http://www.emportal.rs/en/news/region/74519.html
International Monetary Fund. http://www.imf.org/external/np/sec/pr/2010/pr10111.htm , .
http://www.imf.org/external/pubs/ft/scr/2010/cr10348.pdf
“The Western Balkans: Between the Economic Crisis and the European Perspective”,
Institute for Regional and International Studies, Sofia, September 2010, page.52
http://www.iris-bg.org/files/The%20Western%20Balkans.pdf,

2008 Global Crisis, The Case Struggle Turkey
“You are the Privileged, give us lessons”*
Bulut Şahin1, Göçer İsmet1, Dam M. Metin1, Mercan Mehmet2
Martin Wolf, Financal Times' chief economic commentator.
1Adnan Menderes University, Faculty of Economics and Administrative Sciences,
Department of Economics, Aydin, Turkey
2Lec. Hakkari University, Faculty of Economics and Administrative Sciences, Department of
Economics, Aydin, Turkey
E-mails: sbulut@adu.edu.tr, igocer@adu.edu.tr, mdam@adu.edu.tr, sbulut@adu.edu.tr
Abstract
In this survey, how Turkey overcame the 2008 crisis was studied using 2002:1-2011:12
period data through co-integration test. Within the scope of Empiric analysis, the influence of
397

�3rd International Symposium on Sustainable Development, May 31 - June 01 2012, Sarajevo

selected macroeconomic variables such as Economical growth, ISE, unemployment, export,
agriculture, foreign currency rate-USD and supply of Money were studied through two-stage
Engle-Granger co-integration method.
As a result of co-integration test, in the long run, export policies, IMKB, agriculture and
foreign currency policies practiced have positive contribution to economic growth; therefore,
Turkey has been successful in the struggle against economic crisis. Money supply policies
had negative effect on economic growth and the recent economic crisis affected the growth of
Turkish economy in a negative way. In the short term, export and agriculture had a positive
effect on the growth of Turkish economy but global economic crisis had a negative effect.
Keywords: 2008 Global economic crisis, struggle, Turkey, co-integration.
1.INTRODUCTION
In a globalizing world, all countries monitor and study what happens in a particular country.
As a result of globalization, all countries are interrelated directly or indirectly. Economic and
political relations have become more and more important along as a result of globalization.
Developed countries not only manipulate globalization for their own sake, but also they use it
as a weapon against developing countries (John Perkins, 2006) the rapid change in the
accelerated with immense developments in hi-tech, communication and transport, and there
remains no limitation in front of capital and information. The spread of c rises to a different
country is regarded as the result of a globalization (Öztürk and Gövdere, 2010) the recent
crisis which broke out with the bubbles in the mortgage markets in USA and continued with
the publication of the two giants of the market, Fannie May and Freddie May and deepened
with bankruptcy of Lehman Brothers in USA in September, 2008 and detriments from private
sectors (General motors etc.) first influenced finance markets (American stock markets in the
first place and then the whole world economies fell sharply) and then real economies
(economic growth, unemployment etc.). (Turkish ministry of Finance). The influences of the
crisis are still on the go in especially EU countries (Greece, Portugal, Spain, Italy, Hungary
etc.)
The globalizing world had its first devastating economic recession 1929 and it was followed
by oil crises in 1970 and 1980. however new crises were on the way: European monetary
crisis(1992-1993), Mexico Tequila Crisis (1994-1995), south-east Asia crisis (1997-1998),
Indonesia Crisis (1997), Russia Crisis (1998), Brazil Crisis (1999), and Argentina Crisis
(2002). Recent crises in Turkey are; 4th April, 1994, November 2000, and February 2001
(Koyuncu and Şenses, 2003)
The concept of crisis which badly affects living standards of people and financial crises
definitions and their types were handled. Next, the world financial crisis process which
emerged in mid-2007 but whose effect was felt in 2008 in Turkey, and also known as
mortgage crisis was explained and finally the effects of crisis on Turkish economy and its
reflections were mentioned and the effects mentioned were analyzed econometrically and its
results were assessed.

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2.ECONOMIC CRISIS, DEFINITIONS AND TYPES
2.1.Definition of the Economic Crisis
A great many definitions have been made for economic crisis. Only a few of those will be
given here. “Economic crises can be defined as violent surges which happens beyond an
acceptable change limit in any kind of goods, service, production factor or foreign Exchange
market.” (Kibritçioğlu, 2003) it means “incidents which happen all of a sudden and
unexpectedly in the economy result in quakes in a country’s economy (macro) and firms
(micro)” (Aktan and Şen, 2002) In other words, economic crisis can be stated as an
unexpected and unpredictable state of nervousness which requires quick action, which needs
to be managed well and which threatens the company’s current values, goals and assumptions
by making its prevention and adaptation mechanisms inadequate. (kobifinans, 2010)
“Financial crisis is a nonlinear corruption in which adverse selection and moral risks are at an
advanced level, consequently, financial markets cannot convert funds actively into economic
institutions which have the most productive investment opportunities. (Mishkin, 1996)
2.2. 2008 Process of Global Economic Crisis
Most of the countries were effected by the crisis. In this period there were also less effected
countries(China, Rusia, Brazil etc.). the negative effects of crisis were felt in turkey in the last
quarter of 2008. In this crisis real sector was effected in Turkish economy unlike fiscal sector
crisis in 2001-2002(Global crisis and Turkey, 2009).
The recession in developed countries and sharp falls in the growth rate of developed countries
diminished foreign demand, world export rate has declined since the last quarter of 2008. The
most effected economies were those which based their growth on exports. As a result of the
decline in foreign demand as well as obscurity consumer and real sector reliability declined to
the lowest and resulted in a sharp decrease in domestic demand primarily
investment(Yörükoğlu, 2009).

Figure 1: Selected Macroeconomics Overall Views Of Selected Groups 2002-2011
20,00

15,00

10,00

5,00

0,00
2002

2003

2004

2005

2006

2007

2008

2009

2010

2011

-5,00

-10,00

-15,00

Figure 1.7 Campus status

DI CAD/GDP

Sources: The data was created by me taking IMF(World Economic Outlook Database, April 2012).

399

Figure 1.7 Campus statu

�3rd International Symposium on Sustainable Development, May 31 - June 01 2012, Sarajevo

Table 1: Descriptions of variables used in Figure 1
WORLD EG
WORLD TV
D UN
D CAD/GDP
DI TV
DI TIV
DI TXV
DI CAD/GDP

World Real Economic Growth
World Trade Volume
Development Countries Unemployment Rate
Development Countries Currnet Account deficit/GDP
Developing Countries Trade Volume
Developing Countries Total Import Volume
Developing Countries Total Export Volume
Developing Countries Currnet Account Deficit/GDP

According to the chart above, 12% by volume of global trade in 2009, recorded a 23%
reduction In terms of value.
Apparently the U.S. economy which started the crisis transferred it to EU. US appear to have
got over the crisis. In the EU zone crisis tends to spread. Even though Greece was healed
temporarily countries such as Spain and Portugal are also susceptible.
International credit rating institute(S&amp;P) warned that it would lower 15 EU countries’ ratings
in December 2011, and decreased 9 EU countries’ ratings including France, Austria, Italy on
13 January 2012(Haberturk, 14 Jan. 2012).
So what happened in Turkish economy while all these were taking place in the world?
2.3.

Process of 2008 Global Economic Crisis Turkey

Reconstruction, strengthening and durability of Turkish banking sector following 2001 crisis
enabled it to be more resistant to global crisis. Therefore real sector, not the banking sector,
was effected by the recent global crisis. Thus Turkey was less effected by the crisis and got
rid of its negative effects easily. In order to perceive the effects of crisis on Turkish economy,
developments of basic macroeconomic parameters are written below.
Figure 2: General Wiev of Selected Turkey macroeconomics Variables 2002-2011 (% annually)
50,00
40,00
30,00
20,00
10,00
0,00
2002

2003

2004

2005

2006

2007

2008

2009

2010

-10,00
-20,00

400

EG

TI/GDP

TS/GDP

CPI

TX

UNM

GGE/GDP

CAD/GDP

2011

�3rd International Symposium on Sustainable Development, May 31 - June 01 2012, Sarajevo

Sources: The data was created by me taking IMF(World Economic Outlook Database, April 2012) .

Table 2: Descriptions of variables used in Figure 2
Variables
EG
TX
TI/GDP
UNM
TS/GDP
GGE/GDP
CPI
CAD/GDP

Descriptions
Economic Growth
Total Export
Total Investment /Gross Domestic Product
Unemployment Rate
Total Saving/ Gross Domestic Product
General Government Expenditures / Gross Domestic Product
Consumer Price Index
Current Account Deficit / Gross Domestic Product

In figure 2 some annual economic data are provided for 2002-2011 period. According to the
chart, of the economic indicators growth rate, export volume, total savings, total investments
and inflation fell while current account deficit, government expenditures and unemployment
rate increased.
Turkey is the fastest growing economy of Europe in 2010 and in the first quarter of 2011. In
the second quarter of 2011 Turkey reached 8.8% growth rate being the second after China
9.5% in the world. OECD foresees that Turkey will be fastest growing OECD country for
2011-2017 period. What helped Turkey overcome the crisis most is trade Turkey follows
aggressive export policies(cooperating with African and Asia countries) and is shifting its
trade to other places at a time when Europe is in crisis(Çağlayan, 2011).
Turkey’s export reached 114 billion dollars in 2010 rising four times and imports reached
185,5 billion dollars rising 3,5 times in the last decade. In 2011the country’s export was 134
billion 969 million dollars. According to the first 79 months data of 2011 exports were made
to 79 countries/regions (Çağlayan, 2011).
Let’s look into the effects of crisis by checking Turkish economy’s recent data: according to
the chart below Turkey started to feel the recent global crisis in the last quarter of 2008 and
found itself in the middle of the crisis Feb. 2009. Macroeconomic indicators, especially
unemployment rates in 2009, growth rate, ISE as a finance indicator and consumption figures
demonstrate this clearly. Then Turkey continued its economical activities, shifted its export
from Europe to other countries and started to get over effects of the crisis in a very short time
by applying strict fiscal policies. This situation is clear in the next figures.
Table 3: Selected Macroeconomic Indicators of the Global Economy in Crisis and Post-2008
Turkey 2008-2012
Selected
2008
2009
2010
2011
2012Q1*
Macroeconomic
Indicators
Economic Growth %

0,7

-4,8

9,2

8,5

Total Consumption %

-0.4
10,9

-2.0
14,0

5.9
11,9

7.2
9,7

37587,1871

37489,9219

59440,0334

60724,6953

Unemployment Rate %
Istanbul Stock Market
Endex
Credit Volume (Million

401

9,1

58226,7269
114.657.587,4 124.082.398,6 166.330.794,2 231.587.129,9 634.752.560,9

�3rd International Symposium on Sustainable Development, May 31 - June 01 2012, Sarajevo

TL)
Total Export (Million
132.027.190 102.142.606 113.883.213 134.969.268 34.744.000**
USD)
Sources: The data was created by me taking TUIK.
*: Quarter of 2012, while expressing 2008, 2009, 2010 and 2011 year period represents.
**: http://www.tim.org.tr/tr/tim-gundem-8.html (DA:20.04.2012)

3.LITERATURE
Short quotations were made from the crisis studies and given in this section.
Obstfeld and Rogoff (2009), used oil prices, economic growth, international reserves, long
term interest rates, policy interest rate, estate prices(case-shiller index), exchange rate, net
trade figures, current account deficit, the portion of settled investments in GDP, international
investments and foreign deficit while clarifying global imbalances and financial crisis
Gourinchas and Rey (2007), showed econometrically that price arrangements of dollar which
has been held as reserve currency in the last 10 years determined US net export.
Zandi, expressed that low energy costs would greatly contribute to the US economy and
would help development in technology.
Verick and Islam (2010), suggested that the recent global crisis significantly effected
economic growth first, then mixed and the related factors emerged in the markets, freedom of
monetary policies has occurred, global imbalances emerged and financial risks have
increased. In the most recent of them, beyond all these, economic collapse and
unemployment increased and focused on this issue.
Taylor (2009), clarified reactions of inflation and macroeconomic activities that was used by
CMB’s which use interest rate instrument. Especially short-long term interest rate being used:
1. Current interest rate to target interest rate, 2. How far Current economic activities are
from full employment, 3. At what level short long term interest rate should be in full
employment.
Krugman (1999), expressed that at the time of crisis firms and entrepreneurs could provide
growth using foreign capital.
Hayaloğlu and Artan (2011), examined IMF well and tried to make out its role.
Şimşek and Altay (2009), studied fiscal policies applied during global crisis in their survey
and emphasized that. Economy would not recover by only increasing public spending without
foreign sources. And they stated that crisis could only be prevented by studying the effects of
crisis well, recovering the global liquidity congestion, decreasing domestic obscurities,
applying monetary and fiscal policies that are freed from diminishing effects of real sector.

4.DATA SET, METHODOLOGY AND EMPIRICAL RESULTS
4.1.Data Set
Data used for analysis between 2002:01 – 2011:12 monthly closed values for 120
observations from Central Bank of the Republic of Turkey-CBRT-(Electonic Data Delivery
System). Analysis was conducted using E-wievs 5.1 packet program.
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Table 4: Variables Used in Analysis And Descriptions
IPI
X
ISE
M2
AGR
USD
DUM

Industrial Production Index
Export
Istanbul Stock Exchange Market
Monetary Supply
Agriculture
ABD ($)
Dummy variable for month of February 2009

For analysis first of all logarithmic series were obtained by taking logarithm of the indexes
monthly average values and the integration level of logarithmic series were examined.
Whether logarithmic series are stationary or not was studied Augmented Dickey Fuller
(ADF)(Dickey and Fuller, 1981) and Phillips-Perron (PP)( Phillips-Perron, 1988, 1990) tests.
4.2.Methodology
Some pretests need to be carried out so that EKKY-two stage Engle-Granger co-integration
analysis could be made to the least squares method. First selected variables were analyzed for
stationary.
In this survey series stationary was tested with ADF and PP methods. Short and long term
relations between the series were conducted Engle-Granger two stage co-integrations
analysis.
Moreover short term models are obtained when long term equation residuals are added to
series whose differences are taken.
5.EMPIRICAL RESULTS
5.1.Unit-Root Test Results and Evaluations
The stationary of the variables are calculated for the ADF in Table 5.
Table 5: ADF Unit Root Test Results
Variables
lnIPI
lnX
lnISE
lnM2
lnUSD
lnAGR
DUM
∆IPI
∆X
∆ISE
∆M2
∆USD
∆AGR
Variables

403

t-Statistic
-1.54 [12]
-1.94 [2]
-1.45 [1]
-2.75 [1]
-1.64 [2]
-0.07 [12]
-10.98 [0]
-9.44 [11]
-13.02 [1]
-8.95 [0]
-7.85 [0]
-8.06 [1]
-4.02 [12]
t-Statistic

%1
-3.49
-3.48
-3.48
-3.48
-3.48
-3.49
-3.48
-3.49
-3.48
-3.48
-3.48
-3.48
-3.49
%1

Critical Values
%5
-2.88
-2.88
-2.88
-2.88
-2.88
-2.88
-2.88
-2.88
-2.88
-2.88
-2.88
-2.88
-2.88
Critical Values
%5

%10
-2.58
-2.58
-2.57
-2.57
-2.58
-2.58
-2.57
-2.58
-2.58
-2.57
-2.57
-2.58
-2.58
%10

�3rd International Symposium on Sustainable Development, May 31 - June 01 2012, Sarajevo

-1.66 [12]
-4.04
-3.45
-3.15
lnIPI
-2.07 [2]
-4.03
-3.44
-3.14
lnX
-1.68 [1]
-4.03
-3.44
-3.14
lnISE
-0.62 [1]
-4.03
-3.44
-3.14
lnM2
-1.78 [2]
-4.03
-3.44
-3.14
lnUSD
-2.21 [12]
-4.04
-3.45
-3.15
lnAGR
-10.91 [0]
-4.03
-3.44
-3.14
DUM
-9.35 [11]
-4.04
-3.45
-3.15
∆IPI
-13.10 [1]
-4.03
-3.44
-3.14
∆X
-8.98 [0]
-4.03
-3.44
-3.14
∆ISE
-8.49 [0]
-4.03
-3.44
-3.14
∆M2
-8.08 [1]
-4.03
-3.44
-3.14
∆USD
-4.14 [12]
-4.04
-3.45
-3.15
∆AGR
Note: MacKinnon (1996), Δ symbol indicates that the variables taken the first
difference. In values [ ]; The optimum length of lag is determined (Schwarz
Information Criterion: SC).

As shown in Table 5, the series has a unit root at level of first-degree differences, but
that is not a unit root at a significance level of 5%. It appeares to be stationary. In other
words, the level of alignment of the series I (1) is.
PP test results are given in Table 6.
Table 6: PP Unit-Root Test Results
Critical Values
%1
%5
%10
-3.48
-2.68 [7]
-2.88
-2.57
lnIPI
-3.48
-1.84 [21]
-2.88
-2.58
lnX
-3.48
-1.20 [6]
-2.88
-2.57
lnISE
-3.22 [2]
-3.48
-2.88
-2.57
lnM2
-3.48
-1.78 [1]
-2.88
-2.57
lnUSD
-3.07 [2]
-3.48
-2.88
-2.57
lnAGR
-3.48
-10.98 [0]
-2.88
-2.57
DUM
-23.06 [26]
-3.48
-2.88
-2.57
∆IPI
-93.94 [24]
-3.48
-2.88
-2.58
∆X
-30.15 [14]
-3.48
-2.88
-2.58
∆ISE
-39.86 [33]
-3.48
-2.88
-2.58
∆M2
-50.43 [96]
-3.48
-2.88
-2.58
∆USD
-30.03 [7]
-3.48
-2.88
-2.58
∆AGR
Critical Values
Variables
t-Statistic
%1
%5
%10
-4.01 [4]
-4.03
-3.44
-3.11
lnIPI
-3.83 [4]
-4.03
-3.44
-3.14
lnX
-1.83 [6]
-4.03
-3.44
-3.14
lnISE
-0.68 [2]
-4.03
-3.44
-3.14
lnM2
-1.95 [1]
-4.03
-3.44
-3.14
lnUSD
-3.97 [2]
-4.03
-3.44
-3.14
lnAGR
-10.91 [0]
-4.03
-3.44
-3.14
DUM
-25.22 [28]
-4.03
-3.44
-3.14
∆IPI
-94.64 [24]
-4.03
-3.44
-3.14
∆X
-30.52 [14]
-4.03
-3.44
-3.14
∆ISE
-40.31 [34]
-4.03
-3.44
-3.14
∆M2
-56.72 [102]
-4.03
-3.44
-3.14
∆USD
-29.87 [7]
-4.03
-3.44
-3.14
∆AGR
Note: MacKinnon (1996), Δ symbol indicates that the variables taken the first
difference. In values [ ]; Barlett-Kernel used as a prediction method is the optimum
length of lag.
Variables

404

t-Statistic

�3rd International Symposium on Sustainable Development, May 31 - June 01 2012, Sarajevo

As shown in Table 6 that the series has a unit root, but the first degree level at 5%
significance level differences appear to be stationary, ie there is a unit root. In other words,
the level of alignment of the series I (1) is.
After levels of integration of series is determined I (1) the error terms of the series
obtained by regression of the series I (0) is expected to be (Brooks, 2008).
When ADF test is applied for a series of error terms, the ADF test statistic is 7.288124, given a series at a critical value of 1% does not have 5% significance level a unit
root is seen in Table 7.
Table 7: The Regression error terms Unit Root Test
The length of lag: 0
ADF Test Statistical
Test Critical Values

Critical
Values
1% level

t- St.

Prob.

-7.288124 0.0000
-3.48

5.2. Long-Term Analysis
Long-term model for the series included in analysis was estimated and the results are
given Table 8.
Table 8: Long-Term Analysis
Variables
Statistical Values

C
-3.45
[-8.71]

AGR
0.04
[4.92]

USD
0.277
[4.22]

ISE
0.164
[6.83]

X
0.428
[12.12]

M2
-0.166
[-5.20]

DUM
-0.148
[-2.95]

Table 9: Long-Term Analysis Statistic
2

R
0.93

CRDWAC
1.25

CRDWTAB
0.511

Fist
287.78

In Table 9 the descriptive statistics for the analysis of long-term value of CRDWAC
CRDWTAB, in Table 10, the ADFAC value of long-term residuals are significant because of
the 5% level of co-integration analysis of long-term relationship between the series.
In table 8, long term analysis crisis effected Turkish economy in a negative manner and its
statistically significant. Export is the most remarkable variable which contribute to the
country’ economy. This rate is statistically significant coefficient and 0,428. The other
variables that contributed to the growth of Turkish economy are ISE, USD and AGR and they
are statistically significant. Supply of money effects economic growth negatively.
5.3 Testing for Co-Integration
Residuals series were composed from long term analysis of countries and ADF and CRDW
tests were applied to the series.
Table 10: The Relationship Co-Integration
ADFAC
ADFTA
CRDWAC
DWTA
Conclusion
-7.28
-3.77
1.25
0.511
Yes
VARIABLES
Note: Critical values, Engle-Granger, 1987, taking in Table II. The calculated test
statistics, in absolute value, the table is larger than the critical values, the existence of
co-integration relationship between the series makes decisions.

405

�3rd International Symposium on Sustainable Development, May 31 - June 01 2012, Sarajevo

In table 10, its clear that there is a co-integration relation between Turkey
macroeconomic series. Since a co-integration relation is found its decided that short term
analysis could be made.
5.4. The Short Term Analysis
Short-term error correction model and the results are given in Table 11.
Table 11: The Short Term Analysis
Variables
Statistical
Values

ECt-1
-0.531
[-5.49]

C
-0.002
[-0.38]

∆AGR
0.032
[3.23]

∆USD
0.175
[1.24]

∆ISE
-0.020
[-0.31]

∆X
0.495
[12.12]

∆M2
-0.110
[0.40]

Table 12: The Short Term Analysis
2

R
DW
Fst
LMols
WHols
Constant
0.75
1.84
48.48
0.75
0.06
-0.002
Variables
Note: LMols: Breusch-Godfrey Serial Correlation LM test probability values, WH ols: White
Heteroskedasticity test probability refers to the value. These values are less than 0.05 is large, the
model is considered Note a problem.

When the results in table 12 are examined, its observed that error corrections term
coefficients in the short term are negative and statistically significant. Therefore, deviations
occurring in the short term between series which move together in the long run are removed
and series approach their long term balance value again. The variable which effects economic
growth n the short term is export series with 0,49 coefficient and in a positive way.
Agriculture an exports effect economic growth in a positive way and its significant. Effect of
global economic crisis is negative and statistically significant.
6.CONCLUSION
In this survey, the effects of 2008 global economic crisis on the selected
macroeconomic variables in Turkey was studied using 2002-2011 period monthly data. Crisis
was represented in analysis with a dummy variable. In the long term analysis it was proved
empirically that in Turkish economy agriculture, exchange rates, exports effected economy in
a positive way while money supply and 2008 global crisis effected negatively. All of the
variables in the analysis are significant. While exports effected economic growth in a positive
way as expected the effect of crisis on Turkish economy is negative.
In the short term analysis; error correction terms coefficients is negative and statistically
significant. Therefore, deviations occurring in the short term between series which move
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In other words the effect of a shock on one of the variables disappear in the long run.
According to empirical results obtained; the biggest contribution to Turkish economy was
made by export and agriculture and recent economic crisis had a negative effect on its
growth. Because, crisis in Turkey lasted relatively short and precautions were effective.
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406

�3rd International Symposium on Sustainable Development, May 31 - June 01 2012, Sarajevo

BROOKS, Chris (2008), “Introductory Econometrics for Finance”, 2nd Edition,
ISBN:9780521873062, Publication date:May 2008
ÇAĞLAYAN, Zafer (2011), “Ekonomi Bakanı, DTÖ Müzakereler Koordinasyon Kurulu
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International Tax and Public Finance, 6, 459–472 (1999).
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Cointegration Tests”, Journal of Applied Econometrics, (11), 601-618.
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World Bank, Washington, pp. 29-62. 1996.
OBSTFELD, Maurice and ROGOFF, Kenneth (2009), “Global Imbalances and the Financial
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TAYLOR (2009), “Voluntary social initiatives in fresh fruit and vegetables value chains;
ISBN 978-92-2-122007-7 (print); 978-92-2-122008-4 (web pdf) Sarah Best and
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YÖRÜKOĞLU, Mehmet (2009), “Küresel Mali Kriz ve Türkiye Ekonomisi”, Türkiye
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ZANDI, Mark. Chief economist of Moody's Analytics Inc. He can be reached via
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xa.yimg.com/kq/groups/22560935/886502103/name/ikp-pdf.pdf (17.04.2012)
Natural Resources and Economical Growth in Central Asia and Caucasus
Filiz Kadi
Fatih University Economics Department
Abstract
As it is known, all former Soviet states faced serious economical and social problems after
they gained independency. At this stage of history, these countries took into their hands
responsibilities for self-development. To overcome their problems, they tried to find and
imply suitable policy in all spheres of social life. In order to strengthen their economy, they
had to look their capability and capacity, and use them in the right direction. However, many
factors such as cut off the link between the main provider of the Soviet Union, Russia and
other republics, problems in management, the lack of experience in market economy brought
to serious problems in these countries. As a result, production process was seriously damaged
in all sectors of their economy. Consequently, without being able to manufacture products,
these countries began to focus on the raw materials, not considering effects of economic
dependency on natural recourses.
408

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                <text>In this survey, how Turkey overcame the 2008 crisis was studied using 2002:1-2011:12  period data through co-integration test. Within the scope of Empiric analysis, the influence of selected macroeconomic variables such as Economical growth, ISE, unemployment, export,  agriculture, foreign currency rate-USD and supply of Money were studied through two-stage  Engle-Granger co-integration method.  As a result of co-integration test, in the long run, export policies, IMKB, agriculture and  foreign currency policies practiced have positive contribution to economic growth; therefore,  Turkey has been successful in the struggle against economic crisis. Money supply policies  had negative effect on economic growth and the recent economic crisis affected the growth of  Turkish economy in a negative way. In the short term, export and agriculture had a positive  effect on the growth of Turkish economy but global economic crisis had a negative effect.  Keywords: 2008 Global economic crisis, struggle, Turkey, co-integration.</text>
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                    <text>3rd International Symposium on Sustainable Development, May 31 - June 01 2012, Sarajevo

World Bank Pension Reform Primer (n.d.), Notional Accounts: Notional Defined
Contribution
Plans
as
a
Pension
Reform
Strategy.
http://siteresources.worldbank.org/INTPENSIONS/Resources/3954431121194657824/PRPNoteNotionalAccts.pdf (11.12.2011)
www.invest.gov.tr, “Turkish Social Security System” (01.02.12)
Yazici,Berna, “The Return to the Family: Welfare, State, and Politics of the Family in
Turkey”,http://readperiodicals.com/201201/2592689941.html#ixzz1swIsiFRFhttp://readperio
dicals.com/201201/2592689941.html#ixzz1svtHJz7Y (01.02.2012)
TISK,Turkey in Figures,July 2009

TUIK,Turkiye Istatistik Yıllıgı,2011

A Critique On The Consistency Ratios Of Some Selected Articles Regarding Fuzzy Ahp
And Sustainability

Bülent Başaran
Affiliation: Bilecik University, the Faculty of Economics and Administrative Sciences, Bilecik,
Turkey

Abstract
Consistency ratio (CR) is a very important indicator for achieving the reliability of an
individual’s pairwise comparisons in Analytic Hierarchy Process (AHP). Although the
applications of fuzzy AHP need this kind of CR results as well, only a few of studies include
these results. The most accepted method to calculate CR for fuzzy pairwise comparison
matrices (PCMs) is to transform fuzzy numbers to crisp versions and to proceed as in the
ordinary CR calculations of AHP. Triangular fuzzy numbers (TFNs) are usually used to
present linguistic terms of an individual’s pairwise comparisons. In this research, CRs of 242
PCMs presented with TFNs, found in 39 articles, have been calculated based on four widely
used defuzzification methods. The aim of this research is to find out if the PCMs of some
available articles regarding sustainability issues in literature are reliable. After CR
calculations of those PCMs, it has been found that some of them are reliable while many
others are not. After reviewing these findings, researchers in fuzzy AHP field are expected to
give much attention to those CR issues and try to obtain PCMs that are more reliable.

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Keywords: fuzzy AHP, consistency ratio, sustainability, defuzzification, fuzzy numbers

1.INTRODUCTION
Analytic Hierarchy Process (AHP), developed by Saaty (1980), is a very powerful
multicriteria prioritization technique. However, its applicability is not only limited to the
number of criteria but also to the consistency ratio (CR) of pairwise comparison matrices
(PCMs). If the CR value of a PCM passes 0.1, it means that the matrix is not consistent and
comparisons should be made again in order to have a reasonable CR value.
Fuzzy AHP is developed because of the fuzzy nature of those pairwise comparisons (Chang
1996). To provide more fuzziness (according to Saaty and Tran’s ‘2007’ criticism), usually
triangular fuzzy numbers (TFNs) are used in pairwise comparisons. Although some kind of
CR value is needed to evaluate those PCMs in fuzzy AHP as well, many of the research
articles skip this evaluation. The aim of this study is to present how much the results of those
researches are reliable when taking CR issues into consideration. A total of 242 PCMs, found
in 39 articles, have been examined in terms of their crisp version CR values.
The paper is organized as follows: first, the applications of fuzzy AHP in literature are
described; second, some defuzzification methods for obtaining the crisp versions of those
TFNs are explained; third, how TFNs differ in their crisp versions under different
diffuzzification methods are shown; fourth, CR values of PCMs in some selected articles are
evaluated. Finally, remarkable conclusions and some future directions are given.

2.FUZZY AHP AND ITS APPLICATIONS IN LITERATURE
Fuzzy AHP is one of the most widely used methods in multicriteria decision making although
Saaty and Tran (2007) criticizes it seriously about its fuzzifying judgments. Some applications
of fuzzy AHP exist in the field of sustainability and sustainable developments. Although there
are some fuzzy approaches to obtain a priority weight vector (Chang 1996, Liou and Wang
1992), Chang’s extent synthesis method is used in many fuzzy AHP studies.
Among many research areas regarding sustainability and fuzzy AHP, some of them can be
given as follows:








319

Supplier or firm selection: Kahraman et al. (2004), Chan et al. (2008), Efendigil et al.
(2008), Lee et al. (2009), Şen et al. (2010), Chen et al. (2011), Pei et al. (2011), Aydin
et al. (2012), Öztürk and Başkaya (2012).
Production process selection: Talinli et al. (2010).
Market selection: Deng and Molla (2008), Toksarı and Toksarı (2011).
Facility location selection: Ertuğrul and Karakaşoğlu (2008), Kayikci (2010).
Resource allocation: Ahari et al. (2011), Bulut et al. (2012).
Personnel selection: Celik et al. (2009), Pei et al. (2011), Bulut et al. (2012).
Quality issues: Kwong and Bai (2003), Büyüközkan et al. (2011), Aydin et al. (2012).
Strategy prioritization: Lin et al. (2010), Chaghooshi et al. (2011).

�3rd International Symposium on Sustainable Development, May 31 - June 01 2012, Sarajevo




Environmental issues: Lee et al. (2009), Tseng et al. (2009), Zheng et al. (2010),
Karimi et al. (2011), Wang et al. (2011).
Some other managerial issues: Zheng (2011), Bulut et al. (2012).

3.DEFUZZIFICATION OF TRIANGULAR FUZZY NUMBERS
A TFN can be defined by the membership function (1) (Bulut et al. 2012).

0,
( x  l ) /(m  l ),

 A ( x)  1,
(u  x) /(u  m),

0,

x  l,
l  x  m,
x  m,

(1)

m  x  u,
u  x,

where l and u correspond to the lower and upper bounds of the fuzzy number Ã, respectively,
and m is the midpoint. The TFN is indicated as Ã = (l, m, u).
The methods for defuzzification of TFNs used in this study are as follows:


Weighted Mean Method: According to Kwong and Bai (2003), a TFN can be
defuzzified to a crisp number by equation (2).
A crisp 

(l  4m  u )
6

(2)

This method has been used by some researchers for transforming TFNs to crisp versions
and calculated CRs accordingly. Although equation (2) is very easy to calculate, it may
cause some bias problems because of weighting. It is more appropriate for the TFNs
shaping as an equilateral triangle. However, especially the reciprocals of TFNs used in
fuzzy PCMs do not shape as an equilateral triangle most of the time.


Centroid Method: It is also called “center of gravity” method and is the most widely
used one among other defuzzification methods. Centroid defuzzification returns the center
of area under the curve as in equation (3).

A crisp 

  ( x).xdx
  ( x)dx
A

(3)

A

For TFNs as in function (1), the result of centroid method will be equal to (l + m + u)/3.


Bisector Method: The bisector is the vertical line that will divide the region into two subregions of equal area. It will be equal to m for equilateral TFNs.



Middle, Smallest, and Largest of Maximum (MOM, SOM, and LOM) Methods:
Since any TFN used in a PCM has a unique maximum, the result of these three methods
will be the same. Therefore, only the MOM results have been shown in this study.

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4.VARIATIONS IN TRIANGULAR FUZZY NUMBERS
The TFNs used for importance degrees are equilateral linguistic variables except for the
highest level. In some researches such as Zheng et al. (2010), Zheng (2011), Wang et al.
(2011), Tseng et al. (2009), Toksarı and Toksarı (2011), Bozbura and Beskese (2007), Ahari
et al. (2011), Büyüközkan et al. (2011), the highest level is also equilateral. However, in
many other researches, the highest level is not equilateral. On the other hand, reciprocal
values of any TFNs are not equilateral in almost every time. Because of these reasons,
weighted mean method is not the best approach in many situations and researchers need to
look at how some other defuzzification methods will result. Table 1 shows how crisp versions
of some reciprocal TFNs can differ in terms of different defuzzification techniques.
Table 1. Defuzzification of TFNs
Crisp Versions Resulting from
Defuzzification Methods

Importance Degrees*
Equally important

TFNs

Weighted
Mean
Centroid

Bisector

MOM

(1/2, 1, 3/2)

1.0000

1.0000

1.0000

1.0000

Weakly more important

(1, 3/2, 2)

1.5000

1.5000

1.5000

1.5000

Strongly more important

(3/2, 2, 5/2)

2.0000

2.0000

2.0000

2.0000

(2, 5/2, 3)

2.5000

2.5000

2.5000

2.5000

(5/2, 3, 7/2)

3.0000

3.0000

3.0000

3.0000

(2/3, 1, 2)

1.1111

1.2222

1.1835

1.0000

Reciprocal of weakly more important

(1/2, 2/3, 1)

0.6944

0.7222

0.7113

0.6667

Reciprocal of strongly more important

(2/5, 1/2, 2/3)

0.5111

0.5222

0.5176

0.5000

Reciprocal of very strongly more important

(1/3, 2/5, 1/2)

0.4056

0.4111

0.4087

0.4000

Reciprocal of absolutely more important

(2/7, 1/3, 2/5)

0.3365

0.3397

0.3383

0.3333

Very strongly more important
Absolutely more important

Reciprocals
Reciprocal of equally important

Notes: * These can be found in Zheng et al. (2010), Zheng (2011), Wang et al. (2011), Tseng et al. (2009), Toksarı and
Toksarı (2011), Bozbura and Beskese (2007).

5.EVALUATIONS OF SOME SELECTED ARTICLES
A total of 39 articles regarding fuzzy AHP and sustainability have been taken from the
literature. There are 242 PCMs developed with TFNs in those articles. A MATLAB m_file
has been coded to compute all of those PCMs’ CRs according to above mentioned four
defuzzification methods. Table 2 shows just two of those articles’ calculation results. It is not
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�3rd International Symposium on Sustainable Development, May 31 - June 01 2012, Sarajevo

possible to show all CR values for all PCMs in this space limited study. On the other hand,
the articles and their number of PCMs that have CR values above 0.1 are shown in Table 3.

Table 2. Some examples of exact CR calculation results
CR Values based on The Following Methods

Articles
Chen et al. (2011)

Lee et al. (2009)

PCMs Presented with TFNs

Weighted

(Matrix No.)

Mean

Centroid

Bisector

MOM

1

0.0432

0.0771

0.0637

0.0089

2

0.0965

0.1655

0.1464

0.0176

3

0.1566

0.1826

0.1724

0.1304

4

0.3750

0.3950

0.3878

0.3533

1

0.0761

0.0988

0.0912

0.0526

2

0.1573

0.2216

0.2006

0.0910

Table 3. CR results of matrices in literature
Number of PCMs whose Crisp Versions
Have a CR above 0.1 based on The
Following Defuzzification Methods
Number of PCMs
Articles

Presented with TFNs

Weighted
Mean
Centroid

Bisector

MOM

Ahari et al. (2011)

2

-

1

1

-

Aydin et al. (2012)

1

1

1

1

1

Bulut et al. (2012)*

25

14

19

19

3

Büyüközkan et al. (2011)*

26

-

2

1

-

Celik et al. (2009)

6

4

4

4

2

Chaghooshi et al. (2011)*

4

1

2

1

-

Chan et al. (2008)

8

1

1

1

1

Chen et al. (2011)

4

2

3

3

2

Deng and Molla (2008)

5

5

5

5

4

Efendigil et al. (2008)

1

1

1

1

1

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�3rd International Symposium on Sustainable Development, May 31 - June 01 2012, Sarajevo

Ertuğrul and Karakaşoğlu (2008)

6

6

6

6

6

Kahraman et al. (2004)

15

9

10

9

9

Karimi et al. (2011)

5

1

1

1

1

Kayikci (2010)

1

1

1

1

1

Kwong and Bai (2003)*

9

2

3

3

-

Lee et al. (2009)*

2

1

1

1

-

Lee et al. (2011)*

5

2

3

3

2

Lin et al. (2010)

6

5

6

6

-

Öztürk and Başkaya (2012)*

19

7

14

11

-

Pei et al. (2011)

21

18

20

20

9

Şen et al. (2010)

4

-

2

1

-

Talinli et al. (2010)

1

1

1

1

1

Toksarı and Toksarı (2011)

8

5

5

5

5

Tseng et al. (2009)*

5

3

3

3

3

Wang et al. (2011)

4

1

1

1

-

Zheng (2011)

3

-

2

1

-

Zheng et al. (2010)

7

-

1

-

-

Notes: * Some CRs or related explanations are presented inside the article.

6.CONCLUTIONS
Many researchers continue to use fuzzy AHP without any explanation and calculation about
CRs of PCMs used in their studies. Although the methods and applications submitted in their
researches give valuable contributions to literature, violation of the CR limit may decrease the
reliability of their currently published articles.
In this study, after a broad review of literature, 242 PCMs in 39 articles have been examined.
The TFNs have been transformed into their crisp versions via four different defuzzification
methods and the CRs of those PCMs have been calculated as in the ordinary AHP. The results
have shown that many of those PCMs violated the 0.1 upper-limit under some defuzzification
methods while they did not violate this limit under some others. Because of this reason,
researchers in fuzzy AHP field need to pay much attention to the CR issues for their PCMs.
More researches are needed to formulate a more suitable CR for fuzzy AHP applications.

REFERENCES
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Ahari, S.G., Ghaffari-Nasab, N., Makui, A. and Ghodsypour, S. H. (2011) A Portfolio
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in Business-to-Business E-Business, International MultiConference of Engineers &amp;
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Reverse Logistics Provider in the Presence of Vagueness, Computers &amp; Industrial
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Ertuğrul, İ. and Karakaşoğlu, N. (2008) Comparison of Fuzzy AHP and Fuzzy TOPSIS
Methods for Facility Location Selection, International Journal of Advanced
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Using Artificial Neural Networks To Forecast Gdp For Turkey

Karaatli Meltem, Göçmen Yağcilar Gamze, Karacadal Hüseyin, Sezer Fırat Suleyman
Suleyman Demirel University, Isparta, Turkey
E-mails: meltemkaraatli@sdu.edu.tr,gamzeyagcilar@sdu.edu.tr,
huseyin_karacadal@hotmail.com,cihangir_07_@hotmail.com

Abstract
Artificial Neural Networks (ANN) is a system resembling biological neural systems and uses
working principles of human brain as a base. ANN can be applied in various fields for the
purposes of forecasting, classification, optimization, data binding and so on. ANN has been
frequently used in financial applications in recent years. In this study, ANN is used in
forecasting Gross Domestic Product of Turkey. Gross Domestic Product (GDP) refers to the
market value of all final goods and services produced within a country in a given period. GDP
can be thought as the size of an economy and it is the foremost important measure of
macroeconomic performance of a country, a country’s health and standard of living.
Therefore, expectations about future GDP can be the primary determinant of investments,
employment, wages, profits and even stock market activities. With respect to its economic
326

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                <text>A Critique On The Consistency Ratios Of Some Selected Articles Regarding Fuzzy Ahp  And Sustainability</text>
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                <text>Bülent, Başaran</text>
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                <text>Consistency ratio (CR) is a very important indicator for achieving the reliability of an  individual’s pairwise comparisons in Analytic Hierarchy Process (AHP). Although the  applications of fuzzy AHP need this kind of CR results as well, only a few of studies include  these results. The most accepted method to calculate CR for fuzzy pairwise comparison  matrices (PCMs) is to transform fuzzy numbers to crisp versions and to proceed as in the  ordinary CR calculations of AHP. Triangular fuzzy numbers (TFNs) are usually used to  present linguistic terms of an individual’s pairwise comparisons. In this research, CRs of 242  PCMs presented with TFNs, found in 39 articles, have been calculated based on four widely  used defuzzification methods. The aim of this research is to find out if the PCMs of some  available articles regarding sustainability issues in literature are reliable. After CR  calculations of those PCMs, it has been found that some of them are reliable while many  others are not. After reviewing these findings, researchers in fuzzy AHP field are expected to  give much attention to those CR issues and try to obtain PCMs that are more reliable.Keywords: fuzzy AHP, consistency ratio, sustainability, defuzzification, fuzzy numbers</text>
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                    <text>3rd International Symposium on Sustainable Development, May 31 - June 01 2012, Sarajevo

The Infectıon of Ichthyophthirius multifiliis (fouget, 1876) ın Some of the Aquarıum
Fıshes (Cichlasoma nigrofasciatum gunther, 1867) ın Mersin.
¹C.Erkin Koyuncu

²Erol Tokşen

3 Serhat Taşkın

¹Department of Aquaculture, Faculty of Fisheries, Mersin University,Turkey
²Department of Aquaculture, Faculty of Fisheries, Ege University,Turkey
3Department of Aquaculture, Faculty of Fisheries, Mersin University,Turkey
E-mails: ekoyuncu@mersin.edu.tr, erol.tokşen@ege.edu.tr, staşkın@mersin.edu.tr
Abstract
This study were conducted in October 2008 in order to find out the reason of instant mortality
of Cichlasoma nigrofasciatum (Gunther, 1867) fishes in some of the aquarium facility in
Mersin. The fish parasitological point of view. Ichthyophthirius multifiliis (Fouget, 1876) was
found responsible high mortality. The histopathology samples from the skin tissues of
infested fish were examined and hyperplasia of epithelial in the skin of the fish were markely
determined. Fish were succesfully treated with FMC bath (15 mg l‫־‬¹, 60minutes/2-3day).
After FMC applications the mortality stopped.
1.INTRODUCTION
Commonly known as “Ich”, the white spot disease (Ichthyophthiriasis), can infect almost all
freshwater fish (Ventura and Paperna, 1985). The disease is recognized as one of the most
pathogenic diseases of fish caused by eukaryote parasites resulting in significant economic
losses in the affected cultured fish species (Matthews, 1994). Causing infection in fish
Ichthyophthirius multifiliis Fouget, 1876 are included within the genus Hymenostomatida
family.
The parasite is commonly distributed, occurring in tropical, subtropical and temperate
regions, and extending north to the Arctic Circle (Matthews, 1994). The fish, which are
cultivated in the pools of the fish farms or in the aquariums, have high numbers of
Ichthyophthirius multifiliis in their skin if the enviroment is stressful, the water criteia is not
appropriate and if they are given low quality feed. This situation can lead to high rates of
mortality (Riehl et al. 1996).
Observed in fish Ichthyophthirius multifiliis of general effects; parasites of fishes of the skin
tissue between the epithelial layer into that, and reached the basal membrane mucus
production by increasing irritation of the surface epithelium, mucous cells does not begin to
be, skin damage and the number of parasites depending on the breathing difficulties as have
been identified. Histopathologic examinations identified dropsy in lamella, hypertrophy in
epithelium cells, hyperplasia, dejeneration and necrocisis in line with the degree of irrritation
(Ferguson, 1989). Against the infection, formaldehyde (100-200 ppm/an hour), malachite
green (1.25-2.0 ppm/30minutes,5-10 days), methylene blue (2.0ppm/one day), acriflavin (10
ppm/3-10 days), Chloramin-T (2.5-20 mg l‫־‬¹), Trypaflavine(10 mg l‫־‬¹), Brillant green (0.1-0.2
ppm) have already been used by the researchers, and they have all proved to be effective.
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(Van As et al. 1984; Schperclaus, 1991; Egusa, 1992; Stoskoph, 1993; Hans et al. 2000;
Tokşen, 2000).
In the present study; the ectoparasite Ichthyophthirius multifiliis which has been observed in
cichlid (Cichlasoma nigrofasciatum Gunther, 1867) and with symptoms that make up the skin
tissue that is intended to treat the disease and histopathological changes.
2.Materials and Methods:
The present study has been conducted in a fish farm located in Mersin/Turkey, which
cultivates aqarium fish in 2008. The study has been conducted in the cyclitis fish Cichlasoma
nigrofasciatum Gunther, 1867) to learn the reason of mortality as they have 50% mortality
rate (see Table 1).
Total body length (cm)

Number of fish (N)

Mean weight (gr) ± SE

3-4

2

1,09±0,15

4-5

19

3,06±0,17

5-6

20

3,95±0,35

6-7

16

6,68±1,63

7&gt;

10

15,73±0,86

Table 1. Mean weight for height groups
Prozotoas, which live in fish as ectoparasites, leave the fish by the time the enviromental
conditions change in a short time. That’s why, fish has been observed in the farm.
As the first step, 67 cichlite fish’s skin, which are about to die, has been exarated so as to
make preparation. Secondly, gill lamels have been extracted carefully, and they have been
taken into petri dish which includes the surrounding water. These extracts are examined in
terms of parasite via using microscope. The criterias and the identification of the parasites
have been done according to Bykhoskaya-Pavlovskaya (1962), Bauer (1969), Nigrelli,(1976),
Kabata (1985)’s studies. The photographs and measurements of the permanent parasite
preparations have been done in Nikon (H550L) Phase Contrast Microscope.
The lamellas including parasite have been taken to the dishes which include 10 %
formaldehyde. The gills of the infected fish’s some sections has been taken
histopathologically, and they have been colored via the histological sections were
haematoxylin-eosin (H&amp;E) were stained with. Histopathological examinations have been
done (Takashima et al., 1995).
In the volume of 30 liters of aquarium fish in ventilation for a period of 60 minutes can be
made 1 liter Formaldehyde (37%), 3.7 g Methylene Blue (methylene blue powder) 3.7 gr
Malachite Green (malachid green powder) was prepared from 2 ml of concentration by taking
bath application of FMC were. After application of the skin and gill preparations were
examined by preparing.

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3.Results
Business owner, fish pieces in the normal 3-6 at a time the death number rise to 20-50
numbers on the complaint of the diseases were determined. Ten days later, the average daily
death number has reached 100 numbers were seen contains the mortality rates.
The owner of the farm stated that the mortality number increased from 3 to 6, to 20-50
abruptly. Due to this fact, the disease has been identified. After 10 days, it has been observed
that the mortality rate has increased to 100 fish. The mortality rates can be seen in figure 1.

100
80
Mortality (number)

60
40
20
0
1

2

3

4

5

6

7

8

9

10

11

Time(days)

Figure 1. The rate of mortality after the infestation Ichthyophthirius multifiliis
In the course of the days which have high mortality rate, the measurements have been
conducted, and the water temperature has been identified as 24-27.5°C on average. The
average absorption level of pH was 7-7.81, and the amount of oxygen dissolved in water, the
average 4,4-4,8 mg / l was determined as..
In the examination done in the farm, these things have been observed in the infestated fish; ,
swimming closer to the floor and borders of the pool, putting their gills closer to their body,
swimming faster than they usually, and even splashing to the surface of the water. It has been
identified that some fish has been gathered around the entrance of water, and they have been
also observed to open and close their gills in a rapid way. In many fish, many red and gray
spots have been observed in skin, fin and gills even with bare eye.
Prescription preparation which has been prepared from the spots’ place, there has been
observed macronucleus trofont in the shape of horseshoe, and tomit in the shape oval and
pear have been observed. Mature fish have been measured as 0.8-1.mm, and tomitler have
been measured as 30-50 µm. (Figure 2). The number of parasites in a view range (X100)
have been counted as more than 10. (Figure.2). When the preparations of the surface that
include many parasites have been examined in the microsope, it has been identified that there
has been a significant increase in mucus cells. In the feeding done daily, the infected fish has
been observed not to take the feed, and they have seemed to be weaker than other fish. The
parasite has been observed to increase its number by splitting up. The parasite has been
observed to multiply by dividing.
When the preparations of the surface that include many parasites have been examined in the
microsope, it has been identified that there has been a significant increase in mucus cells. In
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the feeding done daily, the infected fish has been observed not to take the feed, and they have
seemed to be weaker than other fish. The parasite has been observed to increase its number by
splitting up. The parasite has been observed to multiply by dividing.

Figure 2. The show are Ichthyophthirius multifiliis in dorsal view
In the histopathologic examinations, it has been observed that mature parasites have entered
between epitel layer, and reached to basal membrane. The cells between parasite basal
membrane have been observed to be necrotik and hydropic. They have also become
vacuolization. Due to the tissue reaction, it has been observed that there has been an increase
in epithelial hyperplasia ve mucus cells (Figure 4).
Throughout two days, (pH:7, 25°C) 2ml FMC concentration has been applied, and it has been
bathed for 60 minutes to treat the disease. Also, throughout the treatment, tanks have been
ventilated. The fish haven’t been given feed prior to the treatment day. Moreover, during the
application, the toxic due to the medicine has not been observed. After the application, the
preparations have been observed via microscope, and there has not been observed any
parasite.
4. Discussion and Conclusion
In this research, a common aquarium fish business in the cause of death was determineted
Ichthyophthirius multifiliis.
Under adverse environmental conditions Ichthyophthirius multifiliis infections grown in
intensity and weak fish in fish appear to be rising too much (Kabata 1985). This study also
grown in unsuitable conditions infectıon was seen in fish.
Keeping the high water quality, feed residues and cleaning of the pool is very important in the
control of the parasite (Oğut et al 2005). We should use appropriate feeding for fishes,
instantly wipe out the wasted food from the bottom. Moreover, water circulation should be
conducted in a good way and we should use ventilate enough. The most important rule is that
inlet water must be filtered definitely (Woo,1995). At the month which the parasites appeared,
we have observed that the water has not been ventilated enough, and the farm hasn’t got filtler
system.
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At the patterns of under one age of carp, in x100 zoom in, Schaperclaus (1991)
suggests that when you see 5-10 parasites at one eyesight, you should treat. In this research,
we have taken some samples from the skin and gills of juvenils of cihklit. We have found 1060
parasites
on
an
average.
Ventura and paperna (1985) once in the host of the parasite is located in the epithelial
layer is reported. Epithelial cell layer of the timing of parasite development had increased in
number and development period, such as a capsule covering the parasites are indicated.
Tokşen (2000) reported that in raınbow trout fish experimentally infected with I.multifiliis,
an increase in the number of cells, mucus with hyperplasia is reported. In this study prepared
under the late histopatholojik sections trofont epidermis and dermis was determined that the
best accommodation. Epithelial cell hyperplasia in the region of interference settlement have
been identified.
As for this research, in the district of Mersin/Turkey, FMC has been applied for 60 minutes
bathing throughout two days, and it has proved to be effective for parasite. Via this research,
the ectoparasite which causes sudden mortality in Chiklit ICH has been identified. Moreover,
the clinical symptoms and its effects on gill tissues have been identified histopathologically.
As a result, the fish has been treated with FMC 2 ml concentration for 60 minutes.
REFERENCES
Bauer ON (1969) Key to the Parasites of Freshwater Fauna of The USSR, Vol.1, Leningrad,
Vol 1, 428.
Bykhovskaya-Pavlovskaya IE, Gusev AV, Dubinina MN, Izyumova NA, Smirova TS.
Sokolovskaya IL, Shtein GA, Shulman SS. &amp; Epshtein VH (1962) Key To Parasites
Freshwater Fishes of the USSR. Izdatel’stvo Akademi Nauk S.S.S.R., Moskova, Leningrad:
1-919.
Egusa S (1992) Infectıons Diseases of Fish A.A Balkema/Rotterdam, Bookfield, 696.
Ferguson HW 1989 Systemik Pathology of Fish. Iowa State University Press, USA, 1260 .
Kabata Z (1985) Parasites and Diseases of fish cultured in the Tropics. Taylor &amp; Francis
(Eds.), London: 1-318.
Kinne O (1984) Diseases of marine animals. Vol. IV, Part I, Introductions, Pisces. Hamburg.
Biologische Anstalt Helgoland, 114-179.
Matthews RA (1994) Ichthyophthirius multifiliis Fouquet, 1876: Infection and protective
response within the fish host. In (Pike AW &amp; Lewis JW Eds.), pp.17-42. Parasitic Disease of
Fish. Samara Publishing, Tresaith, UK.
Nigrelli RF, Pokorny KS, Ruggieri GD (1976) Notes on Ichthyophthirius multifiliis, a ciliate
parasitic on freshwater fishes, with some remarks on possiblephysiological races and species.
Trans. Amer. Fish. Soc., 95: 607-613.
Ogut H, Akyol A, Alkan MZ (2005) Seasonality of Ichthyophthirius multifiliis in the Trout
(Oncorhynchus mykiss) Farms of the Eastern Black Sea Region of Turkey Turkish Journal of
Fisheries and Aquatic Sciences 5: 23-27
Ribelin EW&amp; Migaki G (1975) The Patology of Fishes. The University of Wiscosin
Press, USA, 117-143.
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Riehl R, Baensch H.A (1996) Aquarium Atlas, Publishers of Natural History and Pet Books,
Germany, 1-991.
Schaperclaus W (1991) Fish Diseases Volume 2 A.A Balkema/Rotterdam, 1397.
Stoskoph MK (1993) Fish Medicine, W.B. Saunders company, PA, USA, 882.
Takashıma F &amp; Hıbıya T (1995) An Atlas of Fish Histology Normal and Patholological
Features. Second Edition, Kodansa Ltd., Tokyo, 195.
Tokşen E (2000) Ege Bölgesinde Bir Alabalık (Onchorhynchus mykiss) İşletmesinde
Görülen Ichthyophthirius multifiliis Fouget, 1876 Enfeksiyonu ve Tedavisi, Bornova Vet.
Kont. Araşt. Enst. Dergisi, 25 (39) 59-64.
Ventura MT&amp; Paperna I (1985) Histopathology of Ichthyophthirius multifiliis infections in
fishes. Journal of Fish Biology 27, 185-203.
Woo PTK (1995) Fish Diseases and Disorders.CAB International. 200-202.

Researches on Protection, Propagation and Sustainable Usage of Native Bulbous Plants
of Turkey
Özgül Karagüzel1, İbrahim Baktır2, Deniz Hazar3, Gülden Yılmaz2
1 Western Mediterranean Research Institute, Antalya
2Akdeniz University, Faculty of Agriculture, Department of Horticulture, Antalya
3Akdeniz University, Kumluca Vocational School, Antalya
E-mail: tezkara@yahoo.com
Abstract
Over 1000 flowering bulbous plants are naturally grown in Turkey. Flowering bulbs
exportation has been in effect for years from Turkey. In recent years, exportation has been
under strict control, it has been realized according to yearly given quota by The Ministry of
Food, Agriculture and Livestocks. Even though the present regulations and status, negligable
amount of illegal wild collections are still going on. A number of researches has been
conduted to prevent illegal collections and meantime to encourage artificial propagations and
sustainable uses. These projects are mainly financed by the concern ministries, research
institutes and universities. A good scale of geophyte exibition garden has been establised in
Yalova Provience to take the interest of people and administrative staff. The present research
projects are mainly concentrated on some well known flowering species such as tulips,
hyacinthus, crocus, stenbergia, iris, fritillaria, snowdrop, lilies so on.
Keywords: Geophytes, sustainability, researches

100

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                <text>This study were conducted in October 2008 in order to find out the reason of instant mortality  of Cichlasoma nigrofasciatum (Gunther, 1867) fishes in some of the aquarium facility in  Mersin. The fish parasitological point of view. Ichthyophthirius multifiliis (Fouget, 1876) was  found responsible high mortality. The histopathology samples from the skin tissues of  infested fish were examined and hyperplasia of epithelial in the skin of the fish were markely  determined. Fish were succesfully treated with FMC bath (15 mg l־¹, 60minutes/2-3day).  After FMC applications the mortality stopped.</text>
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                    <text>The International Institute for Sustainable Development (IISD) website in the context of
sustainable development
Emir Cickusic, Teo Domuz, Anisa Topalovic, Emir Becirovic
International Burch University, Faculty of Economics,
71000 Sarajevo, Bosnia and Herzegovina
E-mails: ecickusic@hotmail.com, teo3520@yahoo.com, anisatopalovic@gmail.com,
emirbecirovic@hotmail.com

Abstract
The objective of this study was to examine one real world e-business system in this case
www.iisd.org website (International Institute for Sustainable Development) through specific
standard website specifications or checklists. Website was evaluated through eight different
sets of criteria. Website www.iisd.org is compared to standard criteria and results revealed
that website www.iisd.org have some weaknesses but also and strengths. Findings show that
website has good inflow of information but organization and positioning of data is very poor.
In the present time, most of the importance is given to the e-business system due to the
radical changes in technology. Internet is a huge market and in order to succeed website need
to have certain criteria which will attract customers and retain them.
Keywords: e-business, sustainable development, environmental impacts, IISD
1. INTRODUCTION
The International Institute for Sustainable Development (IISD) is a Canadian-based, public
policy research institute that has a long history of conducting cutting-edge research into
sustainable development. IISD promotes the transition toward a sustainable future; they seek
to demonstrate how human ingenuity can be applied to improve the well-being of the
environment, economy and society.45

45 http://www.iisd.org/about/
534

�When you think of the world as a system over space, you grow to understand that air
pollution from North America affects air quality in Asia, and that pesticides sprayed in
Argentina could harm fish stocks off the coast of Australia.
And when you think of the world as a system over time, you start to realize that the decisions
our grandparents made about how to farm the land continue to affect agricultural practice
today; and the economic policies we endorse today will have an impact on urban poverty
when our children are adults.
We also understand that quality of life is a system, too. It's good to be physically healthy, but
what if you are poor and don't have access to education? It's good to have a secure income,
but what if the air in your part of the world is unclean? And it's good to have freedom of
religious expression, but what if you can't feed your family?
The concept of sustainable development is rooted in this sort of systems thinking. It helps us
understand ourselves and our world. The problems we face are complex and serious—and we
can't address them in the same way we created them. But we can address them.
It's that basic optimism that motivates IISD's staff, associates and board to innovate for a
healthy and
meaningful
future
for
this
planet
and
its
inhabitant.46

46 http://www.iisd.org/sd
535

�In present time there are two main drivers that change global economy. First one is huge
development of technology (Internet) and all businesses are radically shifting toward the
sustainable development. These drivers can transform companies and markets.
The world is in the midst of multidimensional transformation: technological, economic, social,
cultural and political (Handzic et al. 2010). To be successful in nowadays needed is to improve
in technological direction especially information systems. Competition is very fierce so
organizations must have a website based system. Internet as a whole is a very dynamic and
powerful generator so website needs to be day to day updated and to follow some general rules
and criteria. These criteria (indicators) are a measure for a well prepared website and provide a
huge contribution to the quality of website.
Indicators don’t guarantee results. But results are impossible without proper indicators. And
proper indicators, in themselves, can produce results.47
3. Research Method
This study was examined through specific criteria for website. It examines website through
nine different sets of criteria:48
1) First impression - is very important. If the website is not functioning very well and if it is
not accurate than potential customers create a bad image about it and they may not return back.
2) Navigation - stands for being offered an easy way to find way around the website.
3) Content - stands for useful and valuable information’s and key to good content is that
it must be extensive and original.
4) Attractors - draw individuals and other organizations to the website.
5) Findability - stands for ease of finding website in the first place.
6) Making contact– many
interacting and negotiating.

organizations

47 . http://www.iisd.org/pdf/s_ind_2.pdf
48 http://www.mcil.co.uk/review/7-10-criteria.htm
536

demand

some

contact

information

for

�7) Browser Compatibility – make the website visit a much more useful and pleasant
experience.
8) User satisfaction – satisfying the users is essential part so the users will co me again.
9) Other useful information – giving additional information will build confidence in
customer’s minds
4. Results
Evaluation of www.iisd.org website

Score
1. FIRST IMPRESSIONS

537

URL

8

Download time - size of home page

10

Look and feel - readability

5

Need to download software *

8

Home page on one screen (above the fold)

7

Unique Selling Point (USP) or Value Proposition

10

Ability to take action (Key action point – KAP)

9

Feeling of wanting more - depth of site

9

Contact details

10

Credential validation - certifications, associations

0

Statement from management

10

Use of attractors

10

Are you made to register to get into site?

10

�Total score for section

(max 130)

106

2. NAVIGATION
Ease of use

6

Site map

10

Return to Home Page from any page

10

Internal search engine

10

Internal links

10

Broken links

10

Text as well as graphic links (ALT tags)

10

Navigational links visible

10

Opens multiple windows

10

Total score for section (max 90)

86

3. CONTENT

538

Useful information

10

Degree of substantiated information

9

Level of interaction

8

Use of valuable graphics

8

Use of valuable animation

7

Use of valuable sound

2

Reviews, testimonials and certifications

10

�Content in digestible quantity

7

Up-to-dateness

10

Terms and conditions

10

FAQ’s

10

Availability of follow up discussion

10

Total score for section (max 120)

101

4. ATTRACTORS
Invitation to register for something

10

Competitions

6

Special offers

7

Freebies

9

Breaking news

10

External links

9

Newsletter

10

Other (Specify)
539

�Total score for section (max 70)

61

5. FINDABILITY
Intuitive URL

5

Designed for search engine performance

8

Intuitive keywords

8

Use of metatags

9

Advertising
On-line advertising

3

Off-line advertising

0

On-line recommend a friend

0

Partner and affiliate sites

8

Total score for section (max 80)

41

6. MAKING CONTACT
Email and other details visible

540

10

�Use of online forms

10

Telephone contact number provided

10

Telephone call back offered

10

Total score for section (max 40)

40

7. BROWSER COMPATIBILITY
Internet Explorer

8

Google Chrome

9

Mozilla Firefox

9

Resizeability

10

Total score for section (40)

36

8. USER SATISFACTION
Robustness/reliability of the site

9

Clicks to completion

10

Acknowledge order/request

0

541

�Order/request tracking online

0

Retain personal information to minimise detail
Entering

0

Total score for section (max 50)

19

9. OTHER USEFUL INFORMATION
List of career opportunities

10

Contact details for HR department

0

Financial results

10

Up-to-date financial news

8

Stock prices

0

History of the company

10

Management and geographical structure of company

542

Mission statement

10
10

Up-to-date press coverage

10

Total score for section (max 90)

40

OVERALL TOTAL SCORE (max 710)

530

�Main Findings

Criteria

Website score

Max. score

1. First impression

106

130

2. Navigation

86

90

3. Content

101

120

4. Attractors

61

70

5. Findability

41

80

6. Making contact

40

40

7. Browser Compatibility

36

40

8. User satisfaction

19

50

9. Other useful infor.

40

90

Overall total score

530

710

In the first impression URL is short but not very intuitive. Size of the home page is not
exceeding normal 50kb which is a good point. Main disadvantage is that text is too much
cluttered on the website and another problem is there is a need for installation of java plug-in
which can make problems for beginners. Home page is needed to be scrolled down to read all
the text instead of being it centered on one place. Main advantage is when entering website
immediately objectives and usage of website are well known. Contact details are easy
accessible and there is no need for any registration.
Navigation system is pretty good developed. Site index and access from any links are
working. There is a search engine so all data can be looked up through search engine. When
entering into many internal links there is always an option to return to a home page with one
single click.
Content is mostly filled with great information which is needed for those groups of users.
There is a usage of audio and video on website and many links which will guide you to the
needed information but disadvantage is that text is very cluttered in many places so it is hard
readable. All information’s are always updated and content is available in different languages.
In attractors section main advantage is that there is no need for the registration on the website
so all users can easily reach all information without annoying memberships and every time
there are some breaking news which will give users reasons to come back. Everything is
provided with external links and main point is that website has its own newsletter for the ir
users.

543

�Findability section has many disadvantages such as online advertising and offline advertising.
Advertising is not so much developed but rather they focus more on the good keywords and
short URL.
Making contact gathered full points for it good and well organized contact section. Briefly
everything is explained. There are all needed e-mails, addresses and their location of
departments. On the website there is Contact Us section which provide needed information.
Browser Compatibility is doing just fine especially on Google Chrome but there may be some
small resolution problems on Internet Explorer. A resize ability problem occurs when resizing
the browser.
User satisfaction is a major part and all attention should be given to this part. Reliability of the
website is very good since website is stable and didn’t crash any time. Clicks to completion
are short so information are easy accessible.
On the website other useful information are also provided. Financial statements, Career
Opportunities, Board Members, Calendar of Events, FAQ, and Sustainability report.
Implications
During the research there were some implications like browser compatibility since it is hard to
evaluate browser compatibility when all computers had already installed java flash player or
other plug-ins so browser don’t recognize any problems when website is opened but having a
fresh installed copy of windows would show different. Another implication occurred when
evaluating the frames of the website, extensions.
Limitations and Future Research
There were several limitations due to the lack of professional stuff. For the better evaluation
of the website there is a need of professional computer engineers which will also evaluate the
website through the html codes. Computer engineers knows more about website extensions
and plug-ins so future research would be more focused on evaluating a website with harsh
criteria and evaluation of website through the survey of random chosen people which will
give their opinion of the website. There is a need for larger group of people which will divide
tasks and provide more data about every section. Survey will give additional information
where possible outcomes and results would change due to the positive or negative feedback of
the surveyed users.

544

�6. CONCLUSIONS
This study examined how the e-business system correlates and helps to deal with sustainable
development. In present times where scarce resources are lacking than need of retaining it is
important so awareness of sustainable factor through the website is much easier since it
affects larger groups of people. Now, everyone is trying to promote its business through the
internet. In order to gain competitive advantage on the internet there is a need for a good and
well developed website. To gain statuses of nearly perfect website there have to be some
criteria so the users can find and meet their requirements when searching online.
To gain competitive advantage usage of links, visual animations, updated news, customer
oriented website must be given in certain ratio. Website www.iisd.org (The International
Institute for Sustainable Development) give users all information about the sustainable
development and putting the awareness of sustainable development on higher level.

Screen shot of the International Institute for Sustainable Development website

545

�Source: http://www.iisd.org/

REFERENCES
http://www.iisd.org/about/
http://www.iisd.org/sd/
Indicators and Information
systems
(http://www.iisd.org/pdf/s_ind_2.pdf)

for

Sustainable

Development

http://www.mcil.co.uk/review/7-10-criteria.htm
5. Ten criteria to evaluate the website (http://www.mcil.co.uk/review/7-10-criteria.htm)
Handzic, M., Obralic, M. and Cickusic, E. (2011). The Use of IT Tools in Everyday Classes
Where Foreign Language is Taught. In Proceedings of the 1st International Conference on
Foereign Language Teaching and Applied Linguistics (FLTAL 2011), pp. 546–551. Sarajevo,
5-7 May.

546

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                    <text>3rd International Symposium on Sustainable Development, May 31 - June 01 2012, Sarajevo

Islamic Finance as a Means of Shaping the Future of Sustainable Finance
Can Mehmet
International University of Sarajevo
Hrasnička Cesta 15, 71210 Ilidža/Sarajevo,Bosnia and Herzegovina
mcan@ius.edu.ba
Abstract
The recent financial crises have proven that the major social impact of the activities of the
most major commercial and investment banks is through improper management of
transaction, portfolio and reputational risks. Although they and their key stakeholders agree
that financiers bear significant responsibility for the environmental and social impacts of the
operations they finance, they do not go beyond the recognition of environmental and social
responsibilities driven to a large degree by outside pressures of environmental organizations
such as Friends of the Earth (FoE) and the Rainforest Action Network (RAN). They
challenged the industry with high-profile campaigns that highlighted cases in which
commercial banks were “bankrolling disasters”. In 2002, a global coalition of nongovernmental organizations (NGOs) including FoE, RAN, WWF-UK and the Berne
Declaration came together to promote sustainable finance in the commercial sector. This
informal network subsequently evolved into BankTrack, whose vision for a sustainable
finance sector was expressed in the Collevecchio Declaration of January 2003.
In this paper we will put forward the main agent in improper management of transaction,
portfolio and reputational risks of commercial banks, the interest rate. No economic system
can sustain its health and vigor or contribute positively to the achievement of its socioeconomic goals without the support of sane and equitable money and banking system. The
money and banking system should hence be reformed to eschew the excesses and imbalances
which promote inequalities, conspicuous consumption, and unhealthy monetary expansion to
the ultimate detriment of all.
Keywords: Sustainable finance, Islamic finance, financial crises, interest free finance
1.INTRODUCTION
The rapid growth of Islamic finance and its ethical foundations make it an increasingly
serious alternative to conventional finance. Both New York and London have launched
indices affiliated to their main Dow Jones and FTSE indices, to provide a benchmark for
equity prices for investments in Islamic financial institutions. The UK Government has also
played a major role in trying to make the City of London the global centre of Islamic finance
by extending support wherever possible, including the abolition of double stamp duty on
Islamic mortgages, and the recently announced plans to test the feasibility of issuing Shari’ahcompliant sukuk bonds. The 2007 Budget introduced new measures for sukuk bonds to be
issued, held and traded on the UK financial market (Tayyebi, 2008).
1

�3rd International Symposium on Sustainable Development, May 31 - June 01 2012, Sarajevo

Islamic finance claims to be compliant with the principles of Islamic law (Shari’ah). In terms
of finance, indeed Shari’ah explains in detail the ethical concepts of money and capital, the
relationship between risk and profit and the social responsibilities of financial institutions.
The most well-known aspect of an Islamic financial system is the prohibition of paying or
receiving interest on capital. Essentially, any positive, fixed, predetermined rate tied to the
maturity and the amount of principal, which is guaranteed irrespective of the performance of
the investment, is considered riba and is so prohibited.
Contractual risk is also forbidden. In general, this prohibits the selling of goods or services
that the seller is not in a position to deliver or the making of a contract which is conditional on
an unknown event.
Although the prohibition of interest can indeed is viewed as the nucleus of Islamic doctrine
relating to finance, there are a number of other supporting principles which provide guidance
for an Islamic financial system (Tayyebi, 2008):
• Advocating risk sharing
• Promotion of entrepreneurship
• Discouraging speculative behavior
• Preservation of property rights.
Given the restrictions outlined above, modern-day scholars have developed principle modes
of financing which can be applied to contemporary financial scenarios while adhering to
Islamic principles. Some common financial instruments currently being utilized in Islamic
finance in various forms are as follows.
Murabaha: this is effectively cost-plus financing, as used for trade and asset finance, allowing
deferred payment by customers.
Istisna’a: aimed at long-term construction projects
For asset finance Ijara: this is a quasi-debt instrument, essentially equivalent to leasing.
Equity-like instruments Musharakah: this is akin to a joint venture arrangement, through an
equity participation contract.
Mudarabah: this is essentially an investment fund where one party provides the entire capital,
and the other party provides the management. Profit sharing is agreed up-front, although the
loss is borne by the provider of the funds alone.
2

�3rd International Symposium on Sustainable Development, May 31 - June 01 2012, Sarajevo

Fixed income investment Sukuk: this is an investment certificate (bond) that represents a
proportionate interest in a well-defined pool of assets that yield income and capital returns.
Differences of opinion from Shari’ah scholars on whether certain practices or products are
Shari’ah compliant continue. A common set of standards and closer links between regulators
and standard setters such as AAOIFI, the IFSB and the FSA are crucial.
The nuances of Islamic jurisprudence and its assimilation with conventional banking require a
great deal of expertise. Investment in training and formal qualifications will be vital to attract
and maintain the right level of professionals to allow the industry to develop.
As would be expected with a relatively recent phenomenon, there remain legitimate concerns
over the mechanics and regulation of Islamic finance. Although, a Congressional Research
Service report on Islamic finance in July 2008 notes: ‘Some also view the integration of ethics
and values into finance as a positive development, with many investors reportedly considering
SCF (Shari’ah compliant finance) to be more reliable than conventional financing, given the
recent global credit crisis and fears of economic recession’, many religious Muslims still are
not confident about the Shari’ah compliance of Islamic finance.
The most serious questions around the Shari’ah compliancy of Islamic finance are related to
the income smoothing.
Islamic banks are more inclined to set up an allowance for loan loss provision (LLPs) to
absorb any future losses (Taktak, et.al. 2010; Ahmed et. al. 1999; Anandarajan et. al. 2003,
2005; Hasan et.al 2004; Ismail et. al. 2002, 2005; Zoubi 2007). To avoid bank runs, Islamic
financial institutions are also encouraged by Islamic Financial Services Board (IFSB), and
their Shari’ah Boards to use profit equalization (PERs) and investment risk reserves (IRRs)
(Sundararajan 2007) to keep stable returns to reward investment account holders (IFSB 2010).
They also use devices like deposit insurance (DIs).
Income smoothing devices cause an almost constant return rate seemingly bench marked to
the London Interbank Offered Rate, LIBOR. In this research, possible outcomes of the
removal of one the most important devices of the income smoothing, profit equalization
reserves (PERs) is discussed.
2.Income Smoothing by Profit Equalization Reserves (PERs)
PER is a mechanism act to mitigate the fluctuation of Rates of Return arising from the flux of
income, provisioning and total deposits (Child, 2009).

3

�3rd International Symposium on Sustainable Development, May 31 - June 01 2012, Sarajevo

The creation of PER is to ensure that Islamic Banking Institutions (IBIs) Rates of Return
remained competitive and stable. During times of low returns to depositors and investors, IBIs
can choose to utilize the PER to improve and stabilize the Rate of Return to its depositors and
investors. The main purpose is to protect depositors and investors interest as far as possible.
Currently, PER can be allocated up to a maximum 15% of the total gross income every
month. The formula for how much PER can be allocated is as follows:
PER (maximum monthly provision) = (15% x gross income) + net trading income + other
income + irregular income such as recovery of non-performing financing (NPF) and write
back of provisions.
In Malaysia, as per BNM Guidelines, IBIs are only allowed to maintain a maximum
accumulated PER of 30% of Islamic Banking Shareholders’ Fund.
The IBIs may write back the PER into the total gross income, at their discretion, in the event
that the prevailing rates have become less competitive. PER is recognized as a liability in the
Balance Sheet and as an expense in the Income Statement.
3.Misconception by IBIs on PER
Although IBIs are given the right to allocate some of its income into PER, it is not right for
IBIs to treat PER as another source of income as most bankers assume. PER is a way on how
an IBI can manage or control its Rates of Returns. By right, any income generated from the
utilization of funds i.e. depositors funds, must be returned back in full to customers
accordingly. But this may be a partly solution since the depositors due to change by the time,
a profit realized by one’s investment will be paid to an irrelevant investor.
The best is the abolishment of all income smoothing devices.
What Happens if Profit Equalization Reserves (PERs) are Removed?
Islamic banks afraid of the bank run, if they reflect the real profits and losses of investments
in their periodic profit and loss share dividend distribution reports. It is not possible to have
an excess to the exact data of the profit and loss reports of Islamic financial institutions just
like others. Since their long term profit dividends are around LIBOR, we may create
hypothetical scenarios about the history of the return rates of a certain Islamic Bank, which
distributes normally with a mean of LIBOR and with several variances. Let as assume that
LIBOR is around 3% in the 120 months of the period of our study:

4

�3rd International Symposium on Sustainable Development, May 31 - June 01 2012, Sarajevo

3.4

3.2

3.0

2.8

10

20

30

40

50

60

(a)
5

4

3

2

0

10

20

30

40

50

40

50

60

(b)

6

4

2

10

20

30

60

(c)

5

�3rd International Symposium on Sustainable Development, May 31 - June 01 2012, Sarajevo

10

5

10

20

30

40

50

60

5

(d)
Figure 1. Return rates of investors in four scenarios with expected value around LIBOR, and
with several STDVs; a) 0.1, b) 1.0, c) 2.0, and d) 3.0

Although expected monetary values (EMVs) are almost the same, around LIBOR of these
nightmare scenarios for Islamic Bank managers, they are different in the risk they undertake.
3.1 Risk Profile of Investors
To predict the investor response to these scenarios, EMVs are not sufficient, and we must run
a field work with the questions derived from the underlying probability distributions of these
scenarios which also take the risk averseness of the investors (Khan et. al. 2001; Sundararajan
2005, 2007).
Which business you invest?
Table 1. Investments in the below gave 30 times at most r1%, 70 times r2% return in their 100
months history.
Investment r1% r2% Choice
1

2.95 3.05

2

2.50 3.50

3

2.00 4.00

4

1.50 4.50

6

�3rd International Symposium on Sustainable Development, May 31 - June 01 2012, Sarajevo

None

The distribution of choices between alternatives gives the risk profile of potential investors in
the society of the Islamic Bank which it operates in. If this research reveals that many
investors are still eager to invest under higher risks of Investment 3, and 4, the Bank managers
should not hesitate to abolish profit equalization reserves (PERs).
3.2 Utility of Profit Shares for Muslim Investors
Because of the prospective utility understanding of human beings, and interest rate averseness
of Muslim investors, we may expect a utility profile for Muslim investors as follows. Islamic
Bank managers must run a field work with the questions relevant for eliciting potential
investors in the country if not globally.

Figure 2. Utility profile of a Muslim investor. To this hypothetic investor, the highest possible
return rate 7% has the utility 1. The lowest acceptable return rate -2% (2% loss) has the utility
0, and the midpoint of 0.5 utility is given to 1.5% return rate.
3.3 Decision Trees for Muslim Investors
For the Muslim investors, do not have any incentive in deviating from investing at an “interest
rate free” business, to an “interest rate paying” one. A Risky Islamic Bank’s Profit Loss
Sharing accounts return rate history reveals that the next time bucket may give annual 4.5%
profit share with probability 0.7, and annual 1.5% profit share with probability 0.3, while a
traditional commercial bank gives the LIBOR of 3%. The expected monetary value (EMV) of
Profit Loss Sharing Account is 3.6%, while invest g the capital in a traditional commercial
bank gives LIBOR for sure. Although Islamic Banks EMV is higher, EMV is not so effective
on the decisions since it does not take the risk factor into account. If the risk factor is counted,
any risk adverse investor without Islamic values may be indifferent between the two options.
Risk profiles of decision makers are represented in their utility profiles. We can demonstrate it
better on a decision tree:

7

�3rd International Symposium on Sustainable Development, May 31 - June 01 2012, Sarajevo

Figure 3. Decision tree for a Muslim investor.
Considering the utility profile of the hypothetic Muslim investor in Figure 2, the utility of
profit share rate of 4.5% has the utility 0.825, while the utility of profit share rate of 1.5% has
the utility 0. 5. Therefore the expected utility of Islamic Bank’s Profit Loss Sharing account is
0.73, while the utility of a traditional commercial bank investment is zero.
The other most important factor related to the bank runs is the prospective utility perception
of investors.
3.4 Prospective Utility Perception of Investors
Prospective utility is widely used by investors. They tolerate temporal loses, if there is a
potential higher profit possibility. To understand how prospective utility understanding works,
we may use exponential smoothing (Brandimarte, 2011).
Let us consider the above four rate of return data, as time series. Along the time, investors use
these data to formulate their prospective expectations for the next time bucket. The graphs in
Figure 2 reveals that temporal losses do not discourage investors, taking the past data into
consideration, they are ready to give time to the Islamic Bank managers to compensate these
losses.

8

�3rd International Symposium on Sustainable Development, May 31 - June 01 2012, Sarajevo

3.3

3.2

3.1

3.0

2.9

2.8

0

10

20

30

40

50

60

(a)
5

4

3

2

0

10

20

30

40

50

(b)

9

60

�3rd International Symposium on Sustainable Development, May 31 - June 01 2012, Sarajevo

6

4

2

10

20

30

40

50

60

(c)
10

5

10

20

30

40

50

60

5

(d)
Figure 4. Prospective utilities of investors (squares) in the view of realizations of the variable
return rates in Figure 1.
4.CONCLUSION
When they smooth their accounts, Islamic bank Managers and their Sharia Boards think that,
if they reflect the real profits and losses of investments in their periodic profit and loss share
dividend distribution reports, they will confront with the bank run. In this article it has been
shown through hypothetic scenarios that, Bank managers should not hesitate to abolish profit
equalization reserves (PERs) and other account smoothing devices to save the image of
Islamic Banking as an interest rate free alternative to the traditional banking. Of course prior
confirmations of these hypothetic scenarios are necessary through serious field researches.

10

�3rd International Symposium on Sustainable Development, May 31 - June 01 2012, Sarajevo

REFERENCES
Ahmed, A.S., Takeda, C., Thomas, S. (1999), Bank loan loss provisions: a reexamination of
capital management, earnings management and signaling effects, Journal of Accounting and
Economics, Vol. 28 No.1, pp.1-25.
Anandarajan, A., Hasan, I., Loranzo-Vivas, A. (2003), The role of loan loss provisions in
earnings management, capital management, and signaling: the Spanish experience, Advances
in International Accounting, Vol. 16 pp.43-63.
Anandarajan, A., Hasan, I., Lozano-Vivas, A. (2005), "Loan loss provision decisions: an
empirical analysis of the Spanish depository institutions", Journal of International
Accounting, Auditing and Taxation, Vol. 14 No.1, pp.55-77.
Brandimarte, P. (2011) Quantitative Methods: An Introduction for Business Management,
John Wiley &amp; Sons, Inc., Hoboken, New Jersey, pp. 546-550.
Child S., 2009, Profit Equalization Reserve (Per),
http://myviewpoint2u.blogspot.com/2009/07/profit-equalization-reserve-per.html
Goodwin P., and G. Wright, (2004) Decision Analysis For Management Judgment, John
Wiley &amp; Sons Ltd, The Atrium, Southern Gate, Chichester, West Sussex PO19 8SQ,
England., pp. 95-123.
Hasan, I., Wall, L. (2004), "Determinants of the loan loss allowance: some cross-country
comparison", The Financial Review, Vol. 39 No.1, pp.129-52.
Islamic Financial Services Board (IFSB) (2010), "Guidance note on the practice of smoothing
the profits payout to investment account holders", Exposure Draft.
Ismail, A.G., Be Lay, A.T. (2002), "Bank loans portfolio composition and the disclosure of
loan loss provision: an empirical evidence of Malaysian banks", Asian Review of Accounting,
Vol. 10 No.1, pp.147-62.
Ismail, A.G., Shaharudin, R.S., Samudhram, A.R. (2005), Do Malaysian banks manage
earnings through loan loss provisions? Journal of Financial Reporting and Accounting, Vol. 3
No.1, pp.41-7.
Khan, T., Ahmed, H. (2001), Risk Management an analysis of Issues in Islamic Development
Bank, Islamic Development Bank, Jeddah, Occasional Paper No. 9.

11

�3rd International Symposium on Sustainable Development, May 31 - June 01 2012, Sarajevo

Sundararajan, V. (2005), Risk measurement and disclosure in Islamic finance and the
implications of profit sharing investment accounts, paper prepared at the Sixth International
Conference on Islamic Economics, Banking, and Finance, Jakarta, Indonesia, 22-24.
Sundararajan, V. (2007), Risk characteristics of Islamic product: implications for risk
measurements and supervision, in Archer, S., Karim, R.A.A. (Eds), Islamic Finance: The
Regulatory Challenge, Wiley, Singapore, pp.40-68.
Sundararajan, V. (2008), Issues in managing profit equalization reserves and investment risk
reserves in Islamic banks, Journal of Islamic Economics, Banking and Finance, Vol. 4 No.1,
pp.1-12.
Taktak, N. B., S. B. S. Zouari, and A. K. Boudriga, (2010) Do Islamic banks use loan loss
provisions to smooth their results?, Journal of Islamic Accounting and Business Research,
Volume: 1, Number: 2, pp: 114-127.
Tayyebi, A., (2008), Islamic Finance: ethical alternative to conventional finance? The
Association of Chartered Certified Accountants.
http://www.yasni.co.uk/ext.php?url=http%3A%2F%2Fwww2.accaglobal.com%2Fpdfs%2Fisl
amic_finance_paper.pdf&amp;name=Aziz+Tayyebi&amp;cat=document&amp;showads=1
Zoubi, T.A., Al-Khazali, O. (2007), "Empirical testing of the loss provisions of banks in the
GCC region", Managerial Finance, Vol. 33 No.7, pp.500-11.

12

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                <text>Islamic Finance as a Means of Shaping the Future of Sustainable Finance</text>
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                <text>The recent financial crises have proven that the major social impact of the activities of the  most major commercial and investment banks is through improper management of  transaction, portfolio and reputational risks. Although they and their key stakeholders agree  that financiers bear significant responsibility for the environmental and social impacts of the  operations they finance, they do not go beyond the recognition of environmental and social  responsibilities driven to a large degree by outside pressures of environmental organizations  such as Friends of the Earth (FoE) and the Rainforest Action Network (RAN). They  challenged the industry with high-profile campaigns that highlighted cases in which  commercial banks were “bankrolling disasters”. In 2002, a global coalition of nongovernmental  organizations (NGOs) including FoE, RAN, WWF-UK and the Berne  Declaration came together to promote sustainable finance in the commercial sector. This  informal network subsequently evolved into BankTrack, whose vision for a sustainable  finance sector was expressed in the Collevecchio Declaration of January 2003.  In this paper we will put forward the main agent in improper management of transaction,  portfolio and reputational risks of commercial banks, the interest rate. No economic system  can sustain its health and vigor or contribute positively to the achievement of its socioeconomic  goals without the support of sane and equitable money and banking system. The  money and banking system should hence be reformed to eschew the excesses and imbalances  which promote inequalities, conspicuous consumption, and unhealthy monetary expansion to  the ultimate detriment of all.  Keywords: Sustainable finance, Islamic finance, financial crises, interest free finance</text>
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                    <text>3rd International Symposium on Sustainable Development, May 31 - June 01 2012, Sarajevo

Lean Way Of Valuing Inventory
Cengiz, Emre
Akdeniz University ALTSO Vocational School
emrecengiz@akdeniz.edu.tr
Research Title:
Subject: This study illustrates the actual cost calculations for inventory valuation for lean
companies. The study will explain “the number of days method and unit quantity method” and
highlight their differences between the traditional inventory valuation methods.
Abstract
American manufacturers which are choosing are lean principles as their basic business model,
increasingly looking to lean thinking to improve productivity, reduce costs, enhance
flexibility, create better value for their customers, and raise profits, cash flow, and stock price.
The basic principles of lean thinking are based some solid factors namely profits are earned
by selling products; value streams deliver customer satisfaction; nonfinancial operational data
helps line workers manage business processes; real-time data is needed to enable process
improvement; idle time is okay if there are no customer orders to fill at the moment; the goal
of world-class organizations is to improve actual performance at a faster rate than
competitors; front-line employees are an asset that should be cross-trained and highly skilled.
Moreover, the cardinal rule of lean management is eliminating all unnecessary steps that
create waste. In this context, lean accounting seeks to reduce steps in transaction processing,
eliminate standard costs in favor of actual costs, and discontinue cost allocations. The
traditional mass production companies which are typically advocators of standard costing see
inventory as the largest current asset on traditional manufacturer s balance sheet and naturally,
a traditional manufacturer use their inventory asset for collateral for bank lines of credit.
Thus, lot of cash is tied up in the inventory.
The traditional manufacturer inventory valuation is not based on an actual cost system. For
instance, a company with inventory turns of 3.00 has four months of inventory on hand,
which means it must use the actual production cost system for the last four months to value
inventory. This absolutely obviates to maintain an actual cost system. On the other hand, lean
companies aim to eliminate work in process and finished goods inventory with high inventory
turns. A shrinking inventory value on a balance sheet based on real time cost information
which in turn becomes a smaller percentage of total current assets is a typically way of doing
for lean companies.
This study illustrates the actual cost calculations for inventory valuation. The study will
explain “the number of days method and unit quantity method” and highlight their differences
between the traditional inventory valuation methods.
Keywords: Lean Accounting, Inventory Valuation, Number of Days Method, Unit Quantity
Method
258

�3rd International Symposium on Sustainable Development, May 31 - June 01 2012, Sarajevo

1.LEAN PRODUCTION
Since the early 1980s, the market conditions faced with intensive global competition have led
to many leading manufacturing companies to adopt new production approaches. Especially in
the most prominent of these approaches is the concept of lean production. Lean
manufacturing is a sophisticated approach that consists of quality systems, work teams,
cellular manufacturing, and supply management and so on. It integrates many management
applications. The core motivation behind the concept of lean production is working in synergy
with these applications in a continuous manner through progressive and high quality systems
according to customer demand but no or little waste at the end (Shah and Ward 2003,
Kennedy and Widener 2008).
Product / service features generate income but if only if the customer value to them. If the
added features do not add value in respect of the customer perspective, this will only create
waste. This kind of waste is especially a pure waste which the management should be striving
to prevent in order to gain a successful market share. The primary issue in developing product
/ service differentiation is using different customer preferences that add value not a bunch of
waste (McNair 2007).
Fuji Cho (Toyota Manager) defines waste as follows: “anything other than the minimum
amount of equipment, material, parts, space, and worker’s time which are absolutely essential
to add value to the product” (Huntzinger 2007). According to Ohno'ya Taiichi "Toyota
production system of the company lies on the basis of absolute waste prevention" (Grasso
2005). Prevention of waste provides significant improvements to the operation cost,
productivity, quality and timely delivery of products improvements (Woehrle and AbouShady, 2010). Lean approach is not a striving effort for a zero waste and creating a perfect
result. This approach is a never-ending journey of continuous improvement that seeks to
create better and less wasteful results than previously known methods (Shah and Ward 2003).
In other words, the lean production aims to decrease waste by increasing customer value
(Carnes and Hedin 2005). Then, it would be possible for the stakeholders to share these
earnings that lean creates (Grasso 2005).
Lean manufacturing aims to reduce labor force in the company, stock, defective products, the
factory occupied area, cycle time, scrap and rework costs and, at the same time leads to
increase productivity, quality and output. Such a restructuring, which would save time and
factory space, would provide product quality monitoring and improvement. Stock at all levels
may have a negative factor and thus, should be controlled (Carnes and Hedin 2005).
1.1.The Factors of Lean Production
If world-wide surveys conducted at the factory levels are considered, following applications
under the framework of lean production are observed (Jusko 1999):




259

Equipment set-up time efficiency
Facilitating the production of small batches of equipment and work stations arranged
in cellular production. A cell, which is in close proximity with another cell, thus,
provides a quick feedback between the operators and includes all activities that are
usually necessary for the production of a component or sub-components.
Manufacturing cells often consist of cross-trained employees to perform multiple
tasks.

�3rd International Symposium on Sustainable Development, May 31 - June 01 2012, Sarajevo





Just-in-time production / continuous production flow techniques are deployed to
reduce batch sizes, reduce setup time, decrease severely the work-in process inventory
levels, improve work / time ratio and reduce manufacturing cycle time. Just-in time
generally use “pull” signals to initiate production facilities for actual orders instead of
“push systems” at production plantings or work orders that are usually based on
estimated levels
Supplier deliveries in just-in time production systems, where more frequent deliveries
in small lots of parts and materials are in consideration, should be scheduled to meet
customer needs. Just-in time delivery made by suppliers usually reduces the inventory
level of producers and thereby this both reduces the need for material requirement in
the warehouse and inventory holding costs.

2.LEAN ACCOUNTING
Management accounting is an accounting discipline designated to provide managers the
information for decision making that will optimize the organization in order to achieve its
strategic, economic and profit objectives set by corporate management. If the strategy is
correct for the market, this will ultimately increase the corporate value of the organization as a
result of will result the increased value of the work, increased wages for workers and an
increase in dividends to shareholders (White 2009).
In a study conducted by Advanced Manufacturing Consortium International (CAM-I) among
145 chief financial managers in the United States, it is expressed that:



%80 of the managers still use traditional cost allocation systems and
Only %23 of them declared that they are satisfied with their current decision support
system (Sharman 2003).

These results should not be too surprising because the accounting community limited
management accounting only with its contribution to the external financial reporting (White
2009). In addition, studies show that senior managers in the United States are lack of issues
such as cost and resource management (Sharman 2003).
Lean Accounting movement was born as a solution to a period of intense disappointment.
Lean American manufacturers, who are under pressure of this intense competition and want to
overcome this great frustration, work continuously to ensure that the customer is willing to
pay for the value created by permanently eliminating the waste (Grasso 2005).
Lean processes need information for value stream activities including purchasing, ordering
and month-end closings. These processes value streams management need quick information
to continuously determine waste, deploy employees for cost reduction activities in their
divisions and analyze the results of improvement activities. Traditional accounting systems do
not provide information about necessary measures and thus, they are late for creating value in
a lean environment (Carnes and Hedin 2005).
In this concept, Lean Accounting has the following purposes (Maskell and Kennedy 2007).



260

Motivating lean transformation all throughout the organization and providing accurate,
timely and easily understandable information for decision-making process leading to
increasing customer value, growth, profitability and cash flow
Using lean techniques to remove waste from accounting processes while maintaining
financial control

�3rd International Symposium on Sustainable Development, May 31 - June 01 2012, Sarajevo




Being fully complied with Generally Accepted Accounting Principles (GAAP), and
with the requirements of external reporting and internal reporting arrangements,
Investing in people, providing appropriate and relevant information to motivate and
empower the organization at every stage of development to support the lean culture.

The main difference between traditional accounting and lean accounting is the fact that lean
organizations are arranged according to value streams rather than the organization's functions.
Value stream organizations simply need to re-organize their accounting knowledge in a
simplistic manner (Haskin 2010). Lean organizations classify costs according to value streams
rather than departments. The costs that may occur in value streams include design,
engineering, sales and marketing, delivery costs as well as costs associated with customer
relations, material purchasing and collection of receivables (Kroll 2004). From a management
accounting point of view; any resources’ total cost with the product material cost as well as
the sum of the costs of outsourced services, are included to value stream cost object (Van Der
Merwe and Thomson 2007).
In a lean environment, the processes are based on a customer oriented “pull” environment,
where the production begins when the customer gives orders, rather than a “push”
environment based on predictions. The products produced based on contemporary estimates
will be produced in accordance with the budget and will be stored until delivered by the
customer. Often, the problems may arise because of the high inventory levels and even the
risk of stock being outdated. Traditional methods that assign fixed production costs, support
high levels of production estimates to lower unit cost by assigning costs to greater number of
units (Haskin 2010). Traditional accounting strives to assign cost to precise and fixed cost
centers. On the other hand, lean accounting aims to accurately measure these costs rather than
perfect assignment of them (Kroll 2004). Unlike traditional full cost accounting that assigns
all overhead to product costs and supports excessive production, value stream organizations
use simple and summarized direct costing that involves little cost assignment. As a result, lean
accounting clearly contrasts with the traditional methods that claim it is efficient for overhead
to be absorbed by mass production (Haskin 2010). It is a clear fact that conventional methods
reflect an era dominated by the idea of economies of scale which has products with less
variety. The information generated by the conventional methods may lead to wrong decisions
(Drickhamer 2004).
This information is prepared weekly and it is easy to understand. Decisions are given by
assessing their effects on value stream costs and profitability as a whole not assessing their
effects on individual product. Thus, decisions may be made more effectively because the
information is more accurate and understandable. Also, with this perspective, real information
can be provided rather than information which is less accurate and sometimes based on
complex accounting formulas (Maskell and Kennedy 2007).
3.LEAN INVENTORY VALUATION
Traditional manufacturers developed the standard cost systems which generate the standard
unit costs for each product. In the balance sheet, the amount of inventory is the sum of
multiplications of actual amount of each product with standard unit of that product. This
process needs the periodic comparison of actual costs with the standards to update the
standards to reach actual values. Using actual costs for inventory valuation is a requirement
for GAAP. Using standard costs for inventory valuation needs the sustainability of a
sophisticated system in order to observe and generate all necessary standard rates. Standard
costing system assesses inventory at the level of individual product. This means that every
inventory valuation needs detailed information about how an individual product’s standard
261

�3rd International Symposium on Sustainable Development, May 31 - June 01 2012, Sarajevo

cost is valued. The information about material invoices, work orders, work centers, overhead
rates, direct labor rates, and direct / indirect assignments should be obtained, updated and be
available for inventory valuation. On the other hand, lean companies have different
perspectives for inventory valuation (Maskell and Kato 2007).
Lean companies can value their inventory in a very simple way because the most important
feature of a lean company is its low level of inventory. When Inventory is low, many simple
methods for inventory valuation may be considered. Physical inventory counting is quick and
easy because inventory level is low and can be managed visually (Maskell and Kennedy
2007). The managers of lean companies know the inventory level that will enable continuous
flow of all work cells in a value stream. All excess inventory is a waste and must be disposed.
As a result, inventory at the end of the period was produced for that period, and thus,
matching the actual production cost of inventory with its amount has become quite simple.
Lean companies make actual cost calculations at inventory valuation in two ways. These two
methods are described following (Maskell and Kato 2007).
a) Valuing Inventory Using the Unit Quantity Method
The average cost per unit method resembles traditional inventory valuation method in which
the amount of each inventory component on hand is multiplied by actual material and
conversion cost. The only difference is that the actual amount on hand is the sum of all units
in the factory product range. Calculation is based on all inventory levels not on each
individual item. The main assumption of this method is that the inventory is a mix of products
that are sold and produced which is also a common assumption for lean pull systems. Figure1
exhibits the calculation of an inventory valuation based on average cost per unit method
(Maskell and Kato 2007).
Total Units

Total Material
cost

Average
Material Cost
Per Unit

Total
Conversion
Cost

Average
Conversion Cost
Per Unit

19.450

$758.568,33

$39,00

$40,06

Quantity

Material Value

13.730
2.288
3.432

$535.483
$89.234
$133.851

$779.155,56
Conversion
Value
$0
$91.656
$137.484

19.450

$758.568,33

$229.139,83

Raw Material
Work in process
Finished Goods
Total Inventory
Value

Total Value
$535.483
$180.890
$271.335
$987.708,17

Figure 1: Valuing Inventory Using the Unity Quantity Method

b) Valuing Inventory Using the Number of Days Method
In the days of inventory method (Figure 2), daily material costs and conversion cost rates are
used for inventory valuation. Daily rate information comes directly from value stream costing
information and these daily rates are multiplied by the days on hand of each inventory
component (Maskell and Kato 2007).

Days in the
Month

262

Total
Material Cost

Material Cost
per Day

Total
Conversion
Cost

Conversion
Cost per Day

�3rd International Symposium on Sustainable Development, May 31 - June 01 2012, Sarajevo

20

$758.568,33

$37.928,33

$779.155,56

12
2
3

Material
Value
$455.140
$75.857
$113.785

Conversion
Value
$0
$77.916
$116.873

17

$644.781,67

$194.788,89

Days
Raw Material
Work in process
Finished Goods
Total Inventory
Value

$38.957,78
Total Value
$455.140
$153.772
$230.658
$839.570,56

Figure 2: Valuing Inventory Using the Number of Days Method

4.CONCLUSION
Conventional methods reflect an era dominated by the idea of economies of scale which has
products with less variety. The information generated by the conventional methods such as
standard costing may lead to wrong decisions. In addition, the maintenance and use of a
standard costing system requires a sophisticated and costly process which absolutely contrasts
with the principles of a lean organization.
Lean organizations use value stream costing that is simple and based real time information for
their purpose of cost control, internal decision making and external financial reporting. The
lean inventory valuation methods for these purposes (the number of days method and unit
quantity method) as illustrated in this study are compliant with GAAP. Regarding these
methods, there is no need to know the cost of any specific product and maintain a
sophisticated standard cost system. The simplification of inventory valuation process means
eliminating non-value added activities and creating available capacity for finance people to
focus on lean improvement projects.
REFERENCES
Carnes, K.and Hedin, S. (2005) Accounting for Lean Manufacturing: Another Missed
Opportunity?, Management Accounting Quarterly, 7(1), 28-35.
Drickhamer, D. (2004) Lean Accounting: Novel Number Crunching, Industry Week, 253(12),
49-52.
Grasso, L. (2005) Are ABC and RCA Accounting Systems Compatible with Lean
Management?, Management Accounting Quarterly, 7(1), 12-27.
Haskin, D. (2010) Teaching Special Decisions in a Lean Accounting Environment, American
Journal of Business Education, 3(6), 91-96.
Huntzinger, J. (2007) “Limited Production Principles: Right Sizing for Effective Lean
Operations and Cost Management” in E. D. Stenzel (eds.) Lean Accounting: Best Practices
for Sustainable Integration, Hoboken, New Jersey: John Wiley &amp; Sons, Inc.
Jusko, J. (1999) A Look at Lean, Industry Week, 248(22), 88-91.
Kennedy, F. A. and Widener, S. K. (2008) A Control Framework: Insights from Evidence on
Lean Accounting, Management Accounting Research, 19, 301-323.
Kroll, K. M. (2004) The Lowdown on Lean Accounting, Journal of Accountancy, 198(1), 6976.
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Maskell, B. and Kato, N. (2007) “Value Stream Costing: The Lean Solution to Standard
Costing Complexity and Waste” in E. D. Stenzel (eds.) Lean Accounting: Best Practices for
Sustainable Integration, Hoboken, New Jersey: John Wiley &amp; Sons, Inc.
Maskell, B. H. and Kennedy, F. A. (2007) Why Do We Need Lean Accounting and How
Does It Work?, Journal of Corporate Accounting &amp; Finance (Wiley), 18(3),59-73.
McNair, C.J. (2007) On Target: Customer-Driven Lean Management. in E. D. Stenzel (eds.)
Lean Accounting: Best Practices for Sustainable Integration, Hoboken, New Jersey: John
Wiley &amp; Sons, Inc.
Shah, R. and Ward, P.T. (2003) Lean Manufacturing: Context, Practice Bundles, and
Performance, Journal of Operations Management, 21, 129-149.
Sharman, P.A. (2003) The Case for Management Accounting, Strategic Finance, 85(4), 43-47.
Van Der Merwe, A. and Thomson, J. (2007) The Lowdown on Lean Accounting. Strategic
Finance, 88(8), 26-33.
White, L. (2009) Resource Consumption Accounting: Manager-Focused Management
Accounting, The Journal of Corporate Accounting &amp; Finance, 20(4), 63-77.
Woehrle, L. S. and Abou-Shady, L. (2010) Using Dynamic Value Stream Mapping and Lean
Accounting Box Scores to Support Lean Implementation, American Journal of Business
Education, 3(8), 67-75.

The Factors Which Caused The Decline In The Amount Of The Newly One Family
Houses Sold In Us
Ali Cüneyt Çetin1,Jing Li-Kole2
1Department of Accounting and Finance,Suleyman Demirel University
Faculty of Economics and Administrative Sciences, Isparta, Turkey
2State University of New York at Oswego, New York, USA
E-mails: cuneytcetin@sdu.edu.tr,likole@oswego.edu
Abstract
The new privately owned one-family house sold (C25) is recognized as great indicator for
economy. The monthly data in February 2011 was 250,000 houses sold. Compared to five
years ago, 1,061,000 in 2006 were decreased by 76%. What are the causes to the dramatic
decline of number of C25? The purpose of this paper is to analyze factors that determine the
decline of number of C25 in US. Therefore, in this study, dependent variable is the new
privately owned one-family house sold. Independent variables include 30 years mortgage rate,
real personal income, unemployment rate, population, and house price index. The results
indicate when the interest rate increases 1%, the number of new privately owned one-family
houses sold decreases by 20 thousand. When the unemployment rate increases 1%, the
264

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                <text>Cengiz, Emre</text>
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                <text>American manufacturers which are choosing are lean principles as their basic business model,  increasingly looking to lean thinking to improve productivity, reduce costs, enhance  flexibility, create better value for their customers, and raise profits, cash flow, and stock price.  The basic principles of lean thinking are based some solid factors namely profits are earned  by selling products; value streams deliver customer satisfaction; nonfinancial operational data  helps line workers manage business processes; real-time data is needed to enable process  improvement; idle time is okay if there are no customer orders to fill at the moment; the goal  of world-class organizations is to improve actual performance at a faster rate than  competitors; front-line employees are an asset that should be cross-trained and highly skilled.  Moreover, the cardinal rule of lean management is eliminating all unnecessary steps that  create waste. In this context, lean accounting seeks to reduce steps in transaction processing,  eliminate standard costs in favor of actual costs, and discontinue cost allocations. The  traditional mass production companies which are typically advocators of standard costing see  inventory as the largest current asset on traditional manufacturer s balance sheet and naturally,  a traditional manufacturer use their inventory asset for collateral for bank lines of credit.  Thus, lot of cash is tied up in the inventory.  The traditional manufacturer inventory valuation is not based on an actual cost system. For  instance, a company with inventory turns of 3.00 has four months of inventory on hand,  which means it must use the actual production cost system for the last four months to value  inventory. This absolutely obviates to maintain an actual cost system. On the other hand, lean  companies aim to eliminate work in process and finished goods inventory with high inventory  turns. A shrinking inventory value on a balance sheet based on real time cost information  which in turn becomes a smaller percentage of total current assets is a typically way of doing  for lean companies.  This study illustrates the actual cost calculations for inventory valuation. The study will  explain “the number of days method and unit quantity method” and highlight their differences  between the traditional inventory valuation methods.  Keywords: Lean Accounting, Inventory Valuation, Number of Days Method, Unit Quantity Method</text>
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                    <text>3rd International Symposium on Sustainable Development, May 31 - June 01 2012, Sarajevo

Significance Of Fairs For Marketing Activities
Cengiz Funda, Gürkanlar, Esin
Akdeniz University Alanya Faculty of Business
E-mails: cengizfunda@akdeniz.edu.tr, esingurkanlar@akdeniz.edu.tr
Subject: This study aims to set forth the significance of fairs in marketing activities through
determining the relevant attitudes of participant companies.
Abstract
This study aims to set forth the significance of fairs in marketing activities through determining
the relevant attitudes of participant companies. To this end, a questionnaire comprising of 22
questions was devised to collect data for the research. The questionnaire was used during the
“2011 Antalya Anfaş Hotel Equipment” fair organized in “Antalya Expo Center”. The
questionnaires were given to and filled in by the company staff working in the booths allocated to
the participant companies. Among 150 questionnaires completed 116 were deemed eligible to be
used in this research. Analysis made in the light of the data collected as a result of the research
revealed that fairs have a significant role for the marketing activities of participant companies. It
has been determined that fairs offer significant advantages to companies especially in the
promotion of existing products and conducting of market analysis for the new products.
Keywords: Fair, Marketing, Marketing Tool, Promotion Mix
1.INTRODUCTION
Competition is increasing as a result of globalization and technological developments and
consequently marketing activities have become more important than product quality and features,
which in turn has increased the function of and the need for marketing. Therefore, the
significance of fairs are increasing for marketing managers since such events can fully respond to
the current needs, enable the use of many interpenetrating marketing instruments such as
advertisements, promotion, public relations and direct marketing and ensure that a single message
is delivered to the consumer. This research aims at dwelling upon the significance of fairs
through determining the role they play for company marketing activities, and benefits they offer
to the companies that use fairs as effective marketing instruments.
2.General Overview of the Term Fair
The word fair is originally derived from the Latin word “fariae”, which means festival or fest
(Koldaş 2006). In general terms fairs are publicity activities scheduled to take place regularly,
usually at the same venue, where tradable goods or services, technological developments,
information and innovation are promoted aiming at finding new markets and sales opportunities,
35

�3rd International Symposium on Sustainable Development, May 31 - June 01 2012, Sarajevo

technical cooperation, establishment and development of potential commercial networks. Fairs
are among the most significant marketing communication instruments through which companies
offer their goods and services to visitors, and potential buyers and sellers meet and have
individual contacts with each other (Okay 2000). Fair organization business is growing and
expanding globally. Almost 9000 fairs are organized every year in around 120 countries (Sülün
2004). The largest and most modern fair venues are located in Europe. Germany is the leading
country in Europe and in the world, where high-quality fair organizations take place. Almost 400450 fairs are organized every year in Germany. In this respect Germany is followed by France,
Italy and the United Kingdom in Europe (Sülün 2004).
3.Link between Fairs and Marketing
Diversified product and application options have extremely complicated the process of selection
for the buyer, and have made it essential to have a single platform for comparing all options. In
national and international competition close customer relations have become the most important
instrument in success strategy (TOBB 2012). Fairs are the marketing instruments which appeal to
five senses of the individual and provide unique features since they are three dimensional unlike
other sales development activities. Furthermore, fairs are effective sales development instruments
which allow all promotion activities to be collectively used at once such as individual sales
activities actively used via individual contacts with customers, public relations activities actively
used via news coverage in the press, advertisement activities actively used before, during and
after the fair organization via advertisements about the fair (Koldaş 2006). Fairs serve for two
main purposes; the first one is that fairs function as a marketing instruments for its participants.
Participants in fairs introduce their products to the customers and try to conclude trade
agreements. The second purpose of fairs is that they contribute to the development of
professional networks and sales while keeping a pulse on commercial and organizational markets
under the warm atmosphere created by the fair (Çakıcı 2004). Almost no marketing instrument
but fairs have the capability of providing individual contact with the customer in addition to the
introduction of the firm and its products (Göksel and Sohodol 2005). Studies conducted in this
field reveal that customers which could not be reached by sales staff under normal circumstances
can be easily reached by fairs, each visitor spends an average of 22 minutes in every booth, and
85% of them take their final decisions right there, and in terms of costs fairs are less expensive
than individual sales visits (Philip, 1994). According to a research made on firms participating in
fairs, the main reasons why participant firms (n:201) opt for fairs can be listed as follows: 89%
sell products and 81% raise awareness on the product. The third reason is to have contacts with
existing customers (52%). Other reasons might be listed as; fulfill the sales quota (37%),
penetrate into the market (34%), change perceptions (27%) and staff training (9%), respectively
(Çakıcı 2004). These data clearly underline that fairs are places where new networks can be built.
According to a research made, commercial fairs are the second most effective instrument after
individual sales, which has the strongest influence on decision making process of the industrial
consumers. (Herbg et al. 1997).

36

�3rd International Symposium on Sustainable Development, May 31 - June 01 2012, Sarajevo

4.The research
This study aims to set forth the significance of fairs in marketing activities through determining
the relevant attitudes of participant companies. By doing this, it is considered that the study will
contribute to the literature and the companies. A field research was conducted in the “2011
Antalya Anfaş Hotel Equipment” fair organized in “Antalya Expo Center. The first limitation on
the study is that it was conducted in an international fair organized only in the city of Antalya.
Due to limitations of time and cost, research sampling had to be restricted. A survey was devised
and used as an instrument of data collection. The survey consisted of two different questionnaires
which involved closed ended questions. The first section of the questionnaire consisting of 18
statements which uses the interval scale (1-absolutely disagree…5-absolutely agree),aims at
measuring the significance of fairs for marketing activities. To determine the reliability of this
scale Cronbach Alpha coefficient was used. Reliability of the scale was calculated as α= …... The
second section of the questionnaire aims at finding answers to how much budget participants
allocate to fairs, how many times they participated in fairs and in fairs abroad, and general
significance of fairs for the company and role of participants in the company. The research
subject group consists of 156 companies participating in the fair. Among these 156 companies,
150 participated in the research. Surveys were administered by researchers on individuals in
charge of companies’ fair booths and personal interviews were used as a supplementary
instrument. Among 150 filled-in questionnaires 116 were deemed eligible to be used for the
research, and the remaining 34 were excluded due to several reasons. Data collected through the
survey were transferred to the SPSS 14.0 package software and statistical analyses were made.
4.1.Findings
Findings obtained as a result of the research were classified under the following groups.
Information concerning the research participants and companies
Sectors that participated in the fair were mainly the food sector with 24,1%, textile sector with
22,4% and security sector with 19%. These sectors are followed by the electric-electronic with
13,8%, construction with 8,6%, chemical sector with 6%, press and media with 4,3% and
furniture sector with 1,7%. As regards the positions held by participants who filled in the surveys,
it has been observed that majority of the participants (50,9%) worked in the department of
marketing and sales. Other positions included the following: general director with 16,4%,
company owner with 13,8%, founder with 9% and other with 18,1%. It was found among the
companies selected for the research that rate of participation in fairs abroad was rather low
(14,7%), and majority of the companies (85,3%) did not participate in fairs abroad. As regards
the company budget allocated for fairs, it has been collected that 71,6% of the companies
allocated 1 to 20% of their budget to fair activities while 13,8% allocated “21 to 40%” of their
budget, 11,2% allocated “41 to 60%”, 3,4% allocated “61 to 80%” of their budget to the fair
activities. Annual rate of participation in fairs indicated that 77,6% of the companies participated
in “1 to 2 fairs”, 12,1% participated in “3 to 4 fairs”, 6% participated in “5 to 6 fairs”, 1,7%
participated in “7 to 8 fairs”, and 2,6% participated in “9 to 10 fairs”. Majority of the companies
(75%) indicated that participation in fairs was significant for the company while 15% stated that
it was highly significant. Among others only 1,7% stated that participation in fairs was
insignificant, and 7,8% stated that it was “neither significant nor insignificant”.
37

�3rd International Symposium on Sustainable Development, May 31 - June 01 2012, Sarajevo

4.2.Fair Perception Factor Analysis
This phase of the research applies factor analysis to 18 statements concerning fair perception to
determine the internal clustering of variables. As a result of the analysis KMO value has been
found to be 0.792. If p value is (0.000), it is significant to conduct such an analysis. As a result of
the factor analysis four aspects have been determined as customer interaction, product publicity,
market analysis and information transfer, and total variance explanation of these four factors have
been found to be 74,4%. Reliability tests have been applied to the data collected, and Cronbach
Alfa value has been found as 0,835. Corelation, t-test and Anova tests have been used in the
analysis.
Table1. Analysis of Corelation among Variants
Budget
Share
allocated
to fairs
1

Amount of
fairs
participated
per year

Significance
attributed to
Fairs

Budget
Share
allocated to
fairs
Amount of ,375(**)
1
fairs
participated
per year
Significance ,318(**)
,287(**)
1
attributed to
Fairs
Interaction
,025
-,038
,519(**)
Publicity
,144
,067
,396(**)
Analysis
,052
,073
,448(**)
Info
,362(**)
,243(**)
,347(**)
Exchange
** Correlation is significant at the 0.01 level (2-tailed).

Interaction

Publicity

Analysis

1
,595(**)
,576(**)
,305(**)

1
,543(**)
,524(**)

1
,297(**)

Info
Exchange

1

As a result of the correlation analysis among factor ratings, a positive relation has been observed
among the budget share allocated to fairs, amount of fairs participated per year, significance
attributed to fairs and the belief that information transfer takes place in fairs. 1 unit increase in the
budget share allocated to fairs increases the amount of fairs participated per year by 37%, and 1
unit increase in significance attributed to fairs increases budget share allocated to fairs by 31%
and the amount of fairs participated per year by 28%. 1 unit increase in the belief that information
transfer takes place in fairs increases budget share allocated to fairs by 36% and the amount of
fairs participated per year by 24%. There is a positive correlation among the significance
attributed to the fairs and belief that fairs ensure interaction with customers (51%) and
information transfer (34%) and belief that fairs provide opportunities for product publicity (39%)
and market analysis (44%). There is also a positive correlation among the belief that fairs ensure
interaction with customers and enable product publicity (59%), the belief that fairs provide
opportunities for market analysis (57%) and information transfer (30%).
38

�3rd International Symposium on Sustainable Development, May 31 - June 01 2012, Sarajevo

t-Test results of Factor Ratings concerning Participation in Fairs Abroad
Results of the t-test administered to determine whether participation by companies in fairs abroad
influence the factors significantly, indicate that according to 0,95 significance level, no
significant difference exists between beliefs on “Customer Interaction”, “Product Publicity and
Market Analysis”. However, there are significant differences concerning the belief that fairs
ensure “Information Transfer”. Accordingly, those who participated in fairs abroad (14.6%)
(A.O=3,70, S.S.= ,7806) considered fairs much more useful in terms of information transfer than
those who did not participate in fairs abroad (85.4%) (A.O=3,30, S.S= ,7356).
Anova Test results of Factor Ratings concerning Allocated Budget Share
Results of Anova analysis administered to determine whether the annual budget share allocated
for fairs influence the factors significantly, indicate that according to 0,95 significance level, no
significant difference exists between beliefs on “Customer Interaction and Market Analysis”.
However, there is a significant difference concerning beliefs regarding “Product Publicity and
Information Transfer”. Accordingly, those who allocate 61 to 80 % of their budget annually
(3,4%) (A.O=4,541, S.S= ,458) consider fairs much more useful in terms of product publicity
than those who allocate 1 to 20% of their budget on an annual basis (71,5%) (A.O=4,072, S.S=
,278). Similarly, those who allocate 61 to 80 % of their budget (A.O=4,25, S.S= ,500) consider
fairs much more useful in terms of information transfer than those who allocate 1 to 20% of their
budget on an annual basis (A.O=3,1767, S.S= ,6774).
5.CONCLUSION
Fairs are platforms where companies can implement the strongest marketing activities concerning
their products and services. It is no doubt that establishment of new business networks, rapid
feedback on products and services received through individual talks, strengthening of the
institutional and visual image of companies contribute to increasing sustainable competitiveness
of companies. To this end, the study aimed at determining the significance of fairs on marketing
activities as well as discovering the participant companies’ attitudes towards the fairs. The study
concluded that participants deem fair events significant and consider them as effective
instruments for marketing activities. However, despite what has been stated above, the study also
revealed that participation in fairs abroad and budget allocated to fairs need to be improved.
Increasing both the quantity and the quality of relevant studies in this field is deemed necessary
for underlining the significance of fair events in terms of marketing activities. Researchers of the
study plan to expand the scope of this study in order to cover larger participant groups in several
fairs in the future.
REFERENCES
Çakıcı A.C. (2004) Toplantı Yönetimi – Kongre, Konferans, Seminer ve Fuar Organizasyonu,
Detay Yayıncılık, Ankara.
Göksel A. B. and Sohodol Ç. (2005) Stratejik Fuar Yönetimi, Mediacat, İstanbul.
Herb P., O’haraf G. B., Palumba A. (1997) Difference Between Trade Show Exhibitors and
Non-exhibitors, Journal of Business &amp; Industrial Marketing, 12(6), 368.
39

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                <text>This study aims to set forth the significance of fairs in marketing activities through determining  the relevant attitudes of participant companies. To this end, a questionnaire comprising of 22  questions was devised to collect data for the research. The questionnaire was used during the  “2011 Antalya Anfaş Hotel Equipment” fair organized in “Antalya Expo Center”. The  questionnaires were given to and filled in by the company staff working in the booths allocated to  the participant companies. Among 150 questionnaires completed 116 were deemed eligible to be  used in this research. Analysis made in the light of the data collected as a result of the research  revealed that fairs have a significant role for the marketing activities of participant companies. It  has been determined that fairs offer significant advantages to companies especially in the  promotion of existing products and conducting of market analysis for the new products.  Keywords: Fair, Marketing, Marketing Tool, Promotion Mix</text>
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                    <text>3rd International Symposium on Sustainable Development, May 31 - June 01 2012, Sarajevo

Yusof, S.A. (2010). Globalization and the Malaysian labor market: an empirical investigation.
Journal of Economic Cooperation and Development, 31 (1), 17-40.

Factors Affecting The New Vehicle Registration In The Eu Countries
Cumhur Erdem1, Şaban Nazlioğlu2
1Department of Economics ,Gaziosmanpaşa University, Tokat-Turkey
2Department of Econometrics, PamukkaleUniversity, Denizli-Turkey
E-mails: Cumhur_erdem@yahoo.com,snazlioglu@pau.edu.tr
Abstract
Theobjective of this study is to determine whether economic factors (namelyprice, consumer
preferences, consumer income, interest rate, fuel prices, industrial production, and trade)have any
explanatory power on new vehicle registry in the EU member countries. To meet this objective, a
panel cointegration analysis was applied to the panel of thirteen EU countries for the time period
spanning from January 1999 to August 2010. This study concludes that while the vehicle sales in
the EU are determined by the macroeconomic factors instead of the factors in the demand theory,
the consumer preferences are impetuses for passenger car sales in the EU countries.
Keywords: newvehicle sales, demand theory, macro economic variables, EU countries, panel
cointegration,
1. INTRODUCTION
Automotiveindustry has become very dynamic and competitive sectors on a global scale in recent
years. Since the industry is considered as a crucial contributor to economic growth, it has been
observed that most of the developed countries (such as. the USA, Germany, France, UK, Italy,
Spain and South Korea) and many of the less developed ones (such as China, India, Malaysia,
Thailand) have policies for becoming major players on world market by improving their own
industry. Therefore, prediction of new vehicle registry is of great interest for policy makers,
legislators, transport and urban planners, and traffic engineers in nations whose economies highly
depend on the vehicle industry because the prediction of future vehicle registry has a vital
importance in terms of forecasting national accounts as well as future energy and infrastructure
requirements (Abu-Eisheh and Mannering, 2002). Predicting the new vehicle registration and
having information about the determinants of the vehicle demand has also crucial importance for
the strategic planning of vehicle manufacturers.
The industryplays a vital role in the economies of European Union (EU) member countries, the
world’s largest vehicle producer and playground for a highly competitive and innovative
468

�3rd International Symposium on Sustainable Development, May 31 - June 01 2012, Sarajevo

industry, in terms of manufacturing, employment, exports, Rersearch&amp;Develpment and
government revenue (European Automobile Manufacturers’ Association (hereafter ACEA),
2011). As of 2009,Germany is the largest vehicle producer (5.2 million units) in the EU followed
by Spain, France, United Kingdom (UK), Italy, Czech Republic, and Poland (ACEA, 2011).
Vehicle production and demand in most of the countries (including the EU) show upward and
downward trends from time to time depending on the changes in economic conditions. Wad
(2009) stated that “the effect of the global crisis came immediately with the stop for consumer
credit and rapidly declining consumer confidence hitting in particular durable and expensive
purchases like automobiles”. Even though 14.1 million new cars were registered in the EUby
2009, the automotive industry experienced the biggest decline in EU car sales since 1993. New
passenger car registrations decreased by 9.5% compared to the pre-crisis levels of 2007 (1.6%
compared to 2008) and commercial vehicle registrations declined by 32.4% compared to
2008(ACEA, 2011).
Due to the significance of the vehicle industry on the economies of EU member countries, from
both policy makers and manufacturers’ perspectives, there is a need to establish a policy
framework that grows the automotive industry. In this context, it is important to determine the
factors affecting the new vehicle registry in EU member countries. However, the empirical
attempts on the determinants of the vehicle sales in the EU countries are very scarce and this gap
in the literature provides room for examining the factors affecting the new vehicle sales in the EU
countries. This paper thereby aims at addressing to which extent the economic factors have
impact on the number of new vehicle registry in EU countries. To meet this objective, a panel
data analysis was applied to the panel consisting of thirteen EU countries for the period January
1999-August 2010.
2. Literature review
There are a limited number of studies in the literature related to the determinants of vehicle
demand. In an early study, Abu-Eisheh and Mannering (2002) analyzed the determinants of
automobile import in West Bank and their estimation and simulation results showed that
population/employment, economic growth, oil prices, exchange rates, and governmental policies
have relative importance on the importation of automobiles. They concluded that much of the
growth in automobile ownership is determined by economic growth.
Lord and Sahito (2010) analyzed whether yen-for-dollar exchange rate and gasoline prices have
impact on the demand for Japanese cars in the US and found that demand for Japanese imports is
positively correlated with the gasoline prices. They also found a positive relationship between the
yen-for-dollar exchange rate and imports after 1988.
Alper and Mumcu (2007) estimated the demand for new automobiles in Turkey and found that
the origin of automobile’s country and quality have impacts on the demand for automobile in
Turkey and found that the demand for new automobiles is price inelastic in the short run.
Mannering (1988) conducted a study to determine how consumers in the USA value interest rates
in their new car choice decisions. His findings shows that consumers tend to overvalue interest
rates relative to their true worth, proving the success of interest rate incentive programs.
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McManus (2007) hypothesized that there is a link between gasoline price and selling price of
automobiles in the USA and to reveal the existence of this link, he regressed the aggregate
automobile prices on the number of independent variables including the interest rates. He found
that interest rates has negative impact on the price of automobiles and concluded that since
interest rate has negative impact on the automobile sales, automobile manufacturers overcomes
this effect by reducing the selling price of automobiles.
Dotseyand Reid (1992)tested the effectiveness of interest rates, proxied for the monetary policy,,
and oil prices in economic activity for the USA and concluded that both tight monetary policy
and oil price increases are statistically related to the declines in economic activity. Beck (2003)
investigated the difference in consumers' responses to changes in the price of automobiles and
changes in the level of the interest rate for automobile loans in USA and found that consumers
respond to price changes rather than interest rate changes when purchasing a new automobile. His
estimation results showed that there is a statistically significant and negative relationship between
auto-demand and both interest rate and price variables. As expected, they found a positive and
statistically significant positive relationship between auto-demand and disposable income.
3. Empirical Model and Data
To examine the determinant of new vehicle registrations in the EU, the demand model which is
augmented with the macro-economic aggregates is described as follows:

ln NVit   0  1 ln Pit   2 ln CCI it   3 yit   4 iit   5 ln FPit   6 ln IPI it   7 ln XM it   it

(1)

where i stands for the EU country, t refers to time period, NV is new vehicle sales, P is price of
vehicles, CCI is consumer confidence indicator (consumer preferences), y is consumer’s
disposable income,i is interest rate,FP is fuel prices (diesel prices for the commercial vehicles,
gasoline prices for the passenger cars), IPI is industrial production, and XM is total trade.
For new vehicles, four particular segments are considered in the estimations. The number of new
registry for passenger cars (PC), light commercial vehicles (LCV) up to 3.5t - (excluding minibuses up to 3.5t), commercial vehicles (CV) over 3.5t - (excluding buses&amp;coaches over 3.5t),
heavy commercial vehicles (HCV) over 16t - (excluding buses&amp;coaches over 16t) were used for
the dependent variables.
The independent variable price is one of the variables that represents the price of vehicles. In
equation (1), the sign of the coefficient on the price is expected to be negative due to the demand
theory which postulates that the quantity demanded is a negative function of the price.
One of the important contributions of this study to the empirical literature is to determine the
sensitivity of the new vehicles sales to the consumer confidence indicator. Consumer confidence
indicators were formulated in the late 1940's by George Katona at the University of Michigan as
a way to include empirical measures of consumer expectations into the models of spending and
saving behavior. The demand model described above includes a measure of the consumer
confidence indicator to accounts for changes in consumers’ preferences due to the current
economic condition, recessions or expansions, which effect consumers' decision to buy a car.
Concerning the theory of demand, this variable can be used as proxy to measure the consumers’
preferences (Beck, 2003). With regard to the expected sign of the consumer confidence indicator,
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the views are not unambiguous about to what extent the consumer confidence affects the demand
of a good. On the one hand, a positive relationship is expected between new vehicle registration
and consumer confidence indicators due to fact that optimistic consumer confidence may
encourage consumers to make large expenses and to increase the tendency for borrowing. On the
other hand, pessimism may cause consumers to decrease their expenditures and to make more
strategic financial decisions.
The consumer income is one of the traditional determinant of a good consumed. The demand
theory assumes that an increase in demand for a good is positively associated with an increase in
consumer income. In this study, the growth rate of per capita income is used as a proxy for the
consumer income.
Another independent variable representing the price of automobiles is interest rate that is
included into the model to determine whether macroeconomic instability has any explanatory
power on the new vehicle registry in the EU member countries. As a durable good, it is expected
that the demand for vehicles is affected by the real interest rates. Accordingly, a negative
relationship between interest rate and vehicle sales is expected due to fact that higher interest
rates mean higher costs of borrowing for loans.
The fuel prices may be one of the important factors in explaining the fluctuations in new vehicle
sales. High oil prices are expected to be negative effect on the consumer demand for the vehicles.
According to Lee and Ni (2002), both the demand and supply of oil-sensitive industries are
affected after an oil price shock. They also emphasized that the vehicle industry is negatively
affected by oil price shocks and that the long run effects of oil price shocks will results in a
weakening demand for full-size cars or opting for alternative means of transportation.
It was hypothesized that worldwide economic conditions are expected to have impact on demand
for commercial vehicles. For the commercial vehicles, industrial production index and trade
volume were added to the models as independent variables to determine the effectiveness of
economic activities on vehicle demand. It is expected that there is a positive relationship between
demand for commercial vehicles and both industrial production and trade volume. It is expected
that the demand for the vehicles is expected to rise as the cargo transportation increases with the
growing economic activity in the sectors such as the construction, agriculture, chemical, mining
and service.
This study covers the monthly data spanning from January 1999 to August 2010 for 13 EU
countries (Austria, Belgium, Denmark, Finland, France, Germany, Greece, Italy, Netherlands,
Portugal, Spain, Sweden, and United Kingdom). The starting date of time period and the crosssectional dimension of the panel are restricted to availability of the variables in concern for the
EU countries. The monthly data for the new registration of vehicles, short-term interest rates,
harmonized index of consumer prices were obtained from EUROSTAT databank. To reflect
relative movements in the average aggregate price level for new vehicles, motorcars inflation is
measured by harmonized index of consumer prices (2005=100). We observe seasonal cycles in
the passenger cars and therefore the seasonally adjusted observations for this variable were used
in the analysis. The monthly observations for the consumer confidence indicators, industrial
production index, trade volume in goods were obtained from OECD databank. Trade volume
(export+import) was indexed by taking January 2005=100 as the base time. Since monthly data
for the growth rate of per capita income is not available for the countries in hand, the quarterly
471

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data for the growth rate of per capita income retrieved from OECD database and was transformed
to monthly observations by means of cubic spline interpolation method (PROC EXPAND
procedure in SAS). The fuel prices are measured as including taxes and duties and were obtained
from European Commission Oil Bulletin.
4. Methods and Findings
In order to search for the long-run relations among the new vehicle sales and their determinants
in equation (1), this study utilizes panel cointegration methods. The justification behind the use of
panel cointegration analysis is due to the fact that panel data methods are more powerful than
times series analysis since the panel data gets additional information from the cross-sectional
dimension in addition to the time series dimension.
In the first step of our empirical analysis, unit root properties of the series are investigated via
four panel unit root tests developed by Breitung (2000), Levin et al. (2000), Im et al. (2003), and
Hadri (2000). The panel unit root analysis indicates that while the variables of interest have unit
root in their level forms, they are stationary in the fist-difference form76. The unit root analysis
therefore implies that the variables may be cointegrated in the long-run, which provide a room to
continue the empirical analysis with the examination of the cointegration properties of the
variables.
To analyze the existence of the long-run equilibrium relationship among the variables in
question, several panel cointegration tests are developed in McKoskey and Kao (1998), Kao
(1999), Pedroni (1999). The test of McKoskey and Kao (1998) and of Kao (1999) strictly
assumes a homogenous panel cointegration vector for the panel. Pedroni (1999) relaxes this
assumption by allowing heterogeneous cointegration vectors among cross-sectional units of the
panel.
To test for the null of no-cointegration in the panel, Pedroni (1999) developed the seven
cointegration statistics which are asymptotically distributed as standard normal77. First, four
statistics are based on the within-dimension approach which pools the autoregressive coefficient
across different members for the unit root tests on the estimated residuals. The next three
statistics are based on the between-dimension approach which averages the individually
estimated coefficients for each member in the panel.
The results from the panel cointegration tests are reported in Table 1. The findings strongly
support that the new sales of commercial vehicles, light commercial vehicles, and heavy
commercial vehicles in the EU are cointegrated with the prices, the consumer confidence index,
the interest rate, the real income growth, the diesel prices, the industrial production, and the trade
76See Pedroni (1999) for further details and mathematical representation of the statistics.
77Single-family homes are unattached houses and townhouses, including individually owned and
operated housing units as well as single-family townhouse condominiums. Currently, some 66 percent of
all U.S. housing consists of single or one-family homes (Listokin, D. and Burchell, R.W., Housing (shelter),
Microsoft® Student 2009 [DVD], Redmond, WA: Microsoft Corporation, 2008).
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volume. Similarly, the passenger car sales tend to be move together in line with the changes in
the prices, the consumer confidence index, interest rate, the consumer income, and the gasoline
prices. The existence of the cointegration relations is also implies that the short-run deviations
from the steady-state equilibrium in the estimated demand models for the vehicles are corrected
over time. Accordingly, the policy makers in the EU countries may not quickly react to the shortterm shocks to the new vehicle sales.
Table 1: Results for panel cointegration tests
Statistic

Commercial
vehicles (CV)

Light commercial
vehicles (LCV)

Heavy commercial
vehicles (HCV)

Passenger
Cars (PC)

6.02
-29.37
-30.71
-28.24

6.42
-21.94
-24.80
-22.14

5.92
-28.30
-29.52
-27.69

12.92
-27.37
-29.19
-22.99

-30.48
-35.20
-32.05

-23.79
-29.68
-26.88

-29.28
-33.64
-31.29

-28.63
-31.81
-27.01

Within-dimension
Panel v-stat
Panel rho-stat
Panel pp-stat
Panel adf-stat
Between-dimension
Group rho-stat
Group pp-stat
Group adf-stat

The critical value at 1 percent level of significance is 1.96 for panel v-stat and -1.96 for other statistics. All
the statistics are statistically significant at 1 percent level of significance.

The existence of the cointegration among the variables arises the question of to what extent the
explanatory variables influence the new vehicle sales in the long-run. To estimate the long-run
cointegration parameters, panel ordinary least squares (OLS), panel dynamic OLS (DOLS) and
panel fully modified OLS (FMOLS) have been extensively utilized. Since these estimators are
asymptotically equivalent, the choice among the methods depends upon their performance in
finite samples (Banerjee, 1999). Monte Carlo experiments carried out by Kao and Chiang (2000)
show that panel DOLS outperforms both panel OLS and FMOLS estimators. The recent Monte
Carlo study of Wagner and Hluoskova (2009) indicate that the panel DOLS estimator
outperforms both single- and system-equation panel cointegration methods. We therefore
estimate the panel cointegration parameters by the group-mean panel DOLS estimator developed
by Pedroni (2001). The panel DOLS estimator of Pedroni (2001) is flexible in examining crosscountry heterogeneity in the panel as well as in providing the mean value of the panel
cointegrationcoefficient.
Estimation of the cointegration parameters from the group-mean panel DOLS approach is
computationally simple that the following regression model is estimated with the OLS for each
member of the panel.

yit   i   i xit 

K ii



k   K ii

ik

xit k  it
(2)

wherey denotes the dependent variable, x is the matrix of the explanatory variables (lnP, lnCCI, i,
y, lnFP, lnIPI, lnXM), ∆ is the first–difference operator, -K and K are leads and lags to be
473

�3rd International Symposium on Sustainable Development, May 31 - June 01 2012, Sarajevo

N

ˆ *  N 1   i



i 1
determined. The panel cointegration parameter is constructed as
where i is the
cointegration parameter obtained from the individual OLS estimation of equation (2). Finally, the
N

associated t-ratio for the panel cointegration parameter is derived as

t ˆ *  N 1 / 2  t ˆ
i 1

.

The results for the panel cointegration estimations are reported in Table 2. Findings indicate that
although some of the cointegration parameters appear to be insignificant, they have the expected
signs. More specifically, while the commercial and heavy vehicles are negatively affected from
interest rates, they are positively associated with a rise in the industrial production and in the total
trade. For the light commercial vehicles, consumer confidence, income, and trade are found to be
significantly positive. When we turn the passenger cars, it is found that while the passenger car
sales are positively determined by the consumer confidence and the income,it is negatively
determined by the interest rates.
Table 2: Results for panel cointegration estimation
Commercial
vehicles
lnP
lnCCI
I
Y
lnFP
lnIPI
lnXM

-1.74 (1.47)
0.44 (0.73)
-0.04 (3.04) ***
0.06 (0.95)
-0.06 (0.74)
0.34 (2.38) ***
0.83 (3.40) ***

Light
commercial
vehicles
-0.26 (1.49)
1.16 (2.15) **
-0.01 (0.98)
0.05 (2.31) **
-0.43 (3.35)
0.90 (1.36)
0.30 (2.80) ***

Heavy
commercial
Vehicles
-1.23 (0.41)
0.10 (0.46)
-0.05 (3.36) ***
0.03 (0.11)
-0.19 (1.24)
0.46 (3.40) ***
1.20 (4.28) ***

Passenger
Cars
-0.06 (1.28)
0.75 (1.66) *
-0.01 (2.18) **
0.02 (1.97) **
0.05 (0.08)

Figures in parentheses are the absolute t-statistics. ***, **, * indicates the significance at 1, 5, and 10
percent level of statistical significance.

5. Conclusions and Policy Implications
In this study, we determine to what extent the economic variables affect the new vehicle sales in
the selected EU countries over the period January 1999-August 2010 by means of panel
cointegration analysis. The empirical results for the vehicles show that the vehicle sales are
strongly associated with higher industrial production and trade. For the passenger cars, we find
out that the passenger car sales are basically determined by the consumer preferences.
The panel cointegration analysis provides important implications about the vehicle sales in the
EU. First of all, the macro economic variables such as interest rate, industrial production, and
trade appear to be more pronounced factors in the fluctuations of the vehicle sales.

474

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                <text>Theobjective of this study is to determine whether economic factors (namelyprice, consumer  preferences, consumer income, interest rate, fuel prices, industrial production, and trade)have any  explanatory power on new vehicle registry in the EU member countries. To meet this objective, a  panel cointegration analysis was applied to the panel of thirteen EU countries for the time period  spanning from January 1999 to August 2010. This study concludes that while the vehicle sales in  the EU are determined by the macroeconomic factors instead of the factors in the demand theory,  the consumer preferences are impetuses for passenger car sales in the EU countries.  Keywords: newvehicle sales, demand theory, macro economic variables, EU countries, panel  cointegration,</text>
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                    <text>3rd International Symposium on Sustainable Development, May 31 - June 01 2012, Sarajevo

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The Effect of Exchange Rate Volatility on Import Demand: Evidence from Turkey
Demirgil Hakan1, Keskin Hidayet1, Karaöz Murat2,Şentürk, Canan1
1Süleyman Demirel University, Isparta, Turkey
2Akdeniz University, Antalya, Turkey,
Abstract
Since 2001 financial crisis, Turkey has adopted fluctuating exchange rate regime in order to
make the economy stronger against external shocks. This has lead to a high volatility of
Turkish lira against to foreign currencies. Therefore, it became essential for policy makers to
evaluate the potential effects of exchange rate volatility on international trade. The purpose of
this study is to provide new evidence on the effects of exchange rate volatility on the import
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�3rd International Symposium on Sustainable Development, May 31 - June 01 2012, Sarajevo

demand of Turkey along with income and price elasticities. Our data cover the period 2010:01
to 2010:05. We, initially, employed a GARCH model to evaluate exchange rate volatility one
of the independent variables that estimate real import. The study also includes conventional
determinants such as relative price level of imports and real GDP. Afterwards, our paper
investigates long-run and short-run relationship between real imports and its determinants by
using ARDL error correction model. The empirical results indicate that real exchange rate
volatility of local currency has significant and reverse effect on import demand.
Keywords: Exchange rate volatility, Import demand, GARCH model, ARDL error correction
model, Turkey.
1. INTRODUCTION
The high degree of volatility and uncertainty of exchange rate movements since the beginning
of the generalized floating in 1973 have led policy makers and researchers to investigate the
nature and extent of the impact of such movements on the volume of trade. Most studies
investigate empirically the effects of exchange rate volatility on the export flow. However,
there are only a few studies which investigate the impact of exchange rate volatility on import
demand.
Gotur (1985) found mixed evidence regarding the effect of exchange rate volatility on import
demand using aggregate data for the US, Germany, France, Japan and UK. The main
conclusion of this analyze is that the Akhtar-Hilton methodology fails "to establish a
systematically significant link between measured exchange rate variability and the volume of
international trade". Anderton and Skudelny (2001) estimated euro area import demand
function for the period 1989:01 to 1999:02. They found a significant negative effect of extraeuro area bilateral exchange rate volatility on euro area imports. Aydın et al. (2004) examines
the export supply and import demand for the Turkish economy using both single equation and
vector auto regression frameworks. The analysis shows the real exchange rate as a significant
determinant of imports and the trade deficit, but not of exports. Baum et al. (2004) estimates
the impact of exchange rate volatility on real international trade flows utilizing a 13 country
dataset of monthly bilateral real exports for 1980-1998. They find that the effect of exchange
rate volatility on trade flows is nonlinear, depending on its interaction with the importing
country’s volatility of economic activity, and that it varies considerably over the set of
country pairs considered.
Arize (1998) tried to apply the co-integration technique to the import demand model using
quarterly data over 1973:02 through 1993:04 and estimated the short- and long-run influence
of exchange-rate volatility on the import flows of the United States. The major finding is that
there is a significant long- as well as short-run negative effect of exchange-rate volatility on
the volume of imports. Arize and Shwiff (1998) provided new evidence on the long-run
relationship between import flows and exchange-rate volatility in G-7 countries, during the
quarterly period 1973:02 to 1995:01. They found that exchange rate volatility has a significant
negative effect on the volume of imports of G-7, countries whereas for Canada, it is positive
and significant.
Hwang and Lee (2005) examine the impact of exchange rate volatility on trade flows in the
UK, over the period 1990-2000. Volatility is modelled by GARCH-M method. This study
identifies the existence of a positive relationship between exchange rate volatility and imports
in the U.K. in the 1998. Gül and Ekinci (2006) investigate the interactions between the real
exchange rates and export and import applying bivariate Granger causality test in Turkey. The
41

�3rd International Symposium on Sustainable Development, May 31 - June 01 2012, Sarajevo

results indicate that there is a cointegrating relationship between the real exchange rates and
export and import. Erden and Sağlam (2009) investigate the impact of exchange rate volatility
on import demand in Turkey. The results indicate that while volatility and import demand on
investment goods are co-integrated and are negatively related, there is no co-integrating
relationship between exchange rate volatility and import demand on consumptions goods. Sarı
(2010) provides the exchange rate volatility by using MSARCH which is a new econometric
method; the results indicate that the import and exchange rate volatility are inversely related.
Alam and Ahmed (2010) estimated the import demand function for Pakistan covering
quarterly period 1982:01 to 2008:02 by employing ARDL approach. The result from ARDL
analysis, support the hypothesis that in Pakistan there exist a long run relationship among,
import demand, real economic growth, relative price of imports, real effective exchange rate
and volatility of real effective exchange rate.
2. Data and Methodology
For the following analysis, we gathered data on real import demand (RIMP) which is
constructed as nominal import level deflated by the unit value index of import level, relative
price (RELPR) which is the ratio of import price index of Turkey to consumer price index for
Turkey (CPI), real GDP (GDP) seasonally adjusted using by CENSUS X12 method and
exchange rate volatility (VOL). A continuous monthly sample from 2000:01 to 2010:05 is
used in this study. RIMP, RELPR, GDP and CPI variables collect from Turkish Statistical
Institute. Exchange rate volatility means that risk level faced by importers due to
unpredictable fluctuations and thus it is an unobservable variable. We, therefore, used the
conditional variance measure derived from GARCH model by Bollerslev (1986):

where c is constant term,

are the coefficients and

is the error term normally distributed

with mean zero and variance . ARCH model developed by Engle (1982) presume that the
variance can be obtained from the following AR process:

where

is the conditional variance of exchange rate,

are the coefficients and

indicates the squared residuals from the mean equation. However, the GARCH (p,q) process
is a widening version of ARCH in which
is a function of the lagged values of itself as well
as of
. The conditional variance of exchange rate is estimated by:

42

�3rd International Symposium on Sustainable Development, May 31 - June 01 2012, Sarajevo

The most familiar drawback of testing for nonstationary in the process of time series is the
very low power of unit root tests. Thus, a method which has received considerable attention
over the past years is the autoregressive distributed lag (ARDL) bounds testing approach to
cointegration developed by Pesaran and Shin (1999) and Pesaran et al. (2001) is usually used.
The advantages of this method are to compare with other cointegration procedure. Firstly, a
major advantage of this approach is that order of integration for each variable is not required
for testing on the existence of a long-run relationship between them. More precisely, it is not
relevant whether the variables are I(0) or I(1). Moreover, the long and short run coefficients
can be estimated simultaneously and a dynamic error correction model (ECM) can be derived
from ARDL through simple linear transformation.
Applying the method, the error correction version of the ARDL model is given by:

where the c is the constant tem, are the long run multipliers, are the short run coefficients
and is the white noise error term. To test the long run relationship, an F-test on the null
hypothesis of no cointegration in the long run relationship is defined by
,
against
the
alternative
hypothesis
of
is conducted. The calculated F statistic is compared with the
critical values provided by Pesaran et.al (1999). If the calculated F statistic lies above the
upper bound, the null hypothesis of no cointegration is rejected. In other case, the null
hypothesis can be accepted if F statistic below the lower bound. If the existence of a
cointegration relationship is identified, then following cointegration model is projected:

The selection of the orders of lags in ARDL model is very important which is guided by
Akaike Information Criterion (AIC). Furthermore, the properties of the residuals are checked
to ensure the absence of serial correlation. Finally, the dynamic short-run coefficients for the
error correction representation are estimated according to;

43

�3rd International Symposium on Sustainable Development, May 31 - June 01 2012, Sarajevo

where ECMt-1 is the error correction term resulting from estimated long run equilibrium
relationship;

and
is the coefficient represent the speed of adjustment to long run equilibrium i.e. the
percental monthly correction of a deviation from the long run equilibrium the month before.
3. Empirical Results
The Augmented Dickey Fuller (ADF) and Philips-Perron (PP) tests results are shown in Table
1. This tests shows that RIMP, RELPR, GDP are to be integrated of order one, I(1), except for
measures exchange rate volatility (VOL). VOL is to be integrated of order zero, I(0).
Evidently, composition of I(0) and I(1) variables provides a good reason for using the bounds
test approach (ARDL model).
Table 1. ADF and PP tests of the series
Variable

ADF test with intercept

Philips-Perron test with intercept

Level

First Difference

Level

First Difference

RIMP

-0.861

-2.906**

-1.912

-18.695*

RELPR

-1.665

-5.889*

-1.383

-9.185*

GDP

-1.366

-8.245*

-1.462

-7.136*

VOL

-7.441*

-15.659*

-7.484*

-67.973*

Critical values are: -3.483 (for 1% level), -2.887 (for 5% level), -2.581 (for 10% level). *,**
and *** indicates significant at 1%, 5% and %10 level respectively.
In the first stage of the ARDL procedure, the order of lags on the first differenced variables
for eq. (4) is usually obtained by means of Akaike Information Criterion (AIC). Given that we
are using monthly observations, we experimented up to 8 lags on the first-difference of each
variable and decided to choose 2 lags length.

44

�3rd International Symposium on Sustainable Development, May 31 - June 01 2012, Sarajevo

Table 2. Lag Lengths for Bounds Test
Lag Length

AIC

Breusch-Godfrey
(Prob.)

8

6,9658

0.142

7

6,9673

0.571

6

6,9036

0.734

5

6,9024

0.108

4

6.8588

0.104

3

6.7958

0.413

2

6.7951

0.507

1

6.7976

0.401

LM

Test

In Table 3, the results of the bounds co-integration test demonstrate that the null hypothesis of
against its alternative is easily rejected at the 5% significance level. The computed F-statistic
of 4.738 is greater than the lower critical bound value of 3.49; thus indicating the existence of
a steady-state long-run relationship among RIMP, RELPR, GDP and VOL.
Table 3. Bounds Test for Cointegration Analysis
K

3

Bounds F test

Critical Values
Lower Bound

Upper Bound

%90 level

2.97

4.00

%95 level

3.49

4.58

%99 level

4.56

5.83

4.738

Diagnostics
R2=0.440

F-Statistics=5.398 (0.000)

Breush-Godfrey
(0.451)
Ramsey
(0.577)

LM=1.59 Jarque-Bera=10.307 (0.005)

D-W Stat=1.938
White Test=
(0.928)

7.872

RESET=0.312

Given the existence of a long-run relationship, in the next step we used the ARDL
cointegration method to estimate the parameters of ARDL (1,0,1,1) model. GDP and VOL
45

�3rd International Symposium on Sustainable Development, May 31 - June 01 2012, Sarajevo

variables display the expected signs for the regressors and they are highly statistically
significant. The results of long run test suggest that the demand for imports in Turkey has not
been affected by an increase in the relative price level of import. Because, Turkey mostly
imports goods that are essential for continuing economic activity like petroleum products and
raw materials.
Table 4. ARDL (1,0,1,1) Model and Long Run Coefficients
Variable

Coefficient

t-stat

Constant

-33.426

-3.758*

RIMPt-1

0.331

3.763*

RELPR

0.139

0.825

GDP

2.48E-06

0.507

GDPt-1

8.73E-06

1.843*

VOL

-0.069

-1.996**

VOLt-1

0.034

1.002

Constant

-50.002

-3.815*

RELPR

0.208

-0.989

GDP

1.676E-05

3.763*

VOL

-0.051

-3.994*

F-Statistics=157.948 (0.000)

D-W Stat=2.043

Coefficients for Long Run

Diagnostics
R2=0.892
Breush-Godfrey
(0.636)
Ramsey
(0.278)

LM=0.97 Jarque-Bera=13.375 (0.001)

White Test=3.279 (0.785)

RESET=1.184

*, **and *** denote significance at the1%, 5% and 10% level, respectively.
Error Correction Model (ECM) is employed to check the short run relationship among RIMP,
RELPR, GDP and VOL. The t-statistics of ECM is statistically significant which shows that
there is short run relationship among variables and results are incorporated in Table 5. The
coefficients of error correction term represent the speed of adjustment of this variable back to
its long- run value following a shock. 81% of any deviation from the long-run equilibrium is
corrected every month.
46

�3rd International Symposium on Sustainable Development, May 31 - June 01 2012, Sarajevo

Table 5. Error Correction Representation of ARDL Model
Variable

Coefficient

t-stat

Constant

-0.171

-0.254

ECMt-1

-0.816

-5.039*

RIMPt-1

0.119

0.913

RELPR

0.321

0.688

RELPRt-1

0.376

0.806

GDP

3.73E-06

0.775

GDPt-1

3.61E-06

0.769

GDPt-2

8.93E-06

1.918***

VOL

-0.077

-2.687*

F-Statistics=7.984 (0.000)

D-W Stat=2.061

Diagnostics
R2=0.365
Breush-Godfrey
(0.182)
Ramsey
(0.190)

LM=1.79 Jarque-Bera=7.388 (0.024)

White Test=1.182 (0.316)

RESET=1.168

*, **and *** denote significance at the1%, 5% and 10% level, respectively.
In order to check for parameter constancy, we employ the CUSUM stability test to the
estimated ARDL model.
Graph 1. Stability tests for Short Run ARDL (ECM) Model
30

40

2

3

1

2

20
0

30

10

1

-1

0

-2

-1

-3

-2

0

20

-10

-4
01

02

03

04

05

06

07

08

09

10

-3
01

02

03

Recursive C(1) Estimates
± 2 S.E.

10
50

0

04

05

06

07

08

09

10

01

02

03

Recursive C(2) Estimates
± 2 S.E.

0

04

05

06

07

08

09

10

08

09

10

08

09

10

Recursive C(3) Estimates
± 2 S.E.

200

.00006

100

.00004

0

.00002

-50
-100

-10

-100

.00000

-200

-.00002

-300

-.00004

-150
-200

-20

-250
01

02

03

04

05

06

07

08

09

10

01

02

03

Recursive C(4) Estimates
± 2 S.E.

-30

.00004
.00002

-40

04

05

06

07

08

09

10

01

02

03

Recursive C(5) Estimates
± 2 S.E.

04

05

06

07

Recursive C(6) Estimates
± 2 S.E.

.00004

.6

.00002

.4

.00000

.2

.00000

2001

2002

2003

2004

2005

2006

2007

2008

2009 2010

-.00002
-.00002

-.00004

CUSUM

5% Significance

-.00006
02

03

04

05

06

07

Recursive C(7) Estimates
± 2 S.E.

(a) CUSUM Plot for the estimated ARDL
Model

.0

-.00004
01

08

09

10

-.2
01

02

03

04

05

06

07

Recursive C(8) Estimates
± 2 S.E.

08

09

10

01

02

03

04

05

06

07

Recursive C(9) Estimates
± 2 S.E.

(b) Recursive Coefficient Test for stability of ECM
47

�3rd International Symposium on Sustainable Development, May 31 - June 01 2012, Sarajevo

The CUSUM plot for the model is shown in Graph 1 (a). As can be seen, the plot is within the
5% critical bounds. Furthermore, we conduct the Recursive Coefficient Test to confirm the
stability of parameters see Graph 1 (b). As the coefficients do not display significant
variation as more data is added to the estimating equation, it is a strong indication of stability.
For the model, the stability tests show an overall constancy of the cointegration space.
4. CONCLUSION
In this paper, we have analyzed real import demand for Turkey using available monthly time
series data from 2000:01 to 2010:05. It could be concluded from this study that there is a long
run relation among import demand, relative prices, real GDP and real exchange rate volatility.
CUSUM and Recursive Coefficient Tests also indicate that there exists a stable import
demand function. By employing an error correction framework, we also obtain estimates for
the speeds of adjustment to long run equilibrium and short run elasticities for the import
demand of Turkey. Therefore, it found that import demand of Turkey is positively affected by
real GDP indicating that it is growth driven. Further, the results show that relative price level
has no significant effect on import demand, which is quite obvious for growth driven
economy.
Results of the study also disclose that real exchange rate volatility of local currency has
significant and reverse effect on import demand. The import demand of Turkey is sensitive
and elastic (long run elasticity is -0.051 meanwhile short run elasticity is -0.077) to real
depreciation and its volatility. The short-run dynamics assessed by estimation of the error
correction models indicate an average adjustment coefficient of -0.82. For sustainable foreign
trade policy (mediately sustainable economic growth), Central Bank of the Republic of
Turkey should conduct more stable exchange rate policy.
REFERENCES
Alam, S. and Ahmed, Q.M. (2010) Exchange Rate Volatility and Pakistan’s Import Demand:
An Application of Autoregressive Distributed Lag Model International Research, Journal of
Finance and Economics, 48, 7-22.
Anderton, R. and Skudelny, F. (2001) Exchange Rate Volatility And Euro Area Imports,
European Central Bank Working Paper, 64.
Arize, A. C. (1998) The effects of Exchange Rate Volatility on U. S. Imports: An Empirical
Investigation, International Economic Journal, 12(3), 31-40.
Arize, A.C. and Shwiff, S.S. (1998) Does Exchange-Rate Volatility Affect Import Flows In
G-7 Countries? Evidence From Cointegration Models, Applied Economics, 30, 1269-76.
Aydın, M.F., Çıplak, U. and Yücel, E.M. (2004) Export Supply and Import Demand Models
for the Turkish Economy, Research Development Working Paper No: 04/09, The Central
Bank of the Republic of Turkey.
Baum C.F., Caglayan M. and Ozkan N. (2004), Nonlinear Effects of Exchange Rate Volatility
on the Volume of Bilateral Exports, Journal of Applied Econometrics, 19, 1-23.
Bollerslev, T. (1986), Generalized Autoregressive Conditional Heteroskedasticity, Journal of
Econometrics, 31, 307-27.
48

�3rd International Symposium on Sustainable Development, May 31 - June 01 2012, Sarajevo

Engle, R.F. (1982) Autoregressive Conditional Heteroscedasticity with Estimates of the
Cariance of UK Inflation, Econometrica, 50, 987-1008.
Erden, L. and Sağlam, G. (2009) Türkiye’de Döviz Kuru Oynakliğinin Sektörel Ithalata
Etkileri: Bir Ardl Ithalat Modeli Analizi, H.Ü. İktisadi ve İdari Bilimler Fakültesi Dergisi,
27(2), 19-44.
Gül E. and Ekinci A. (2006) Türkiye’de Reel Döviz Kuru İle İhracat ve İthalat Arasındaki
Nedensellik İlişkisi: 1990 – 2006, Dumlupınar Üniversitesi Sosyal Bilimler Dergisi, 16, 165190.
Hwang H. and Lee, J. (2005) Exchange Rate Volatility and Trade Flows of the U.K. in 1990s,
International Area Review, 8(1), 173-182.
Pesaran, M.H. and Shin Y. (1999) An Autoregressive Distributed-Lag Modelling Approach to
Cointegration Analysis, in: Strom, S.(Ed.), Econometrics and Economic Theory in the 20th
Century, Camridge University Press, Cambridge.
Pesaran, M.H., Shin, Y. and Smith, R.J. (2001) Bounds Testing Approaches to the Analysis of
Level Relationships, Journal of Applied Econometrics, 16(3), 289-326.
Sarı A. (2010) Döviz Kuru Oynakliğinin Ithalata Etkileri: Türkiye Örneği, İstanbul
Üniversitesi Iktisat Fakültesi Ekonometri ve İstatistik Dergisi, 11, 31–44.

Cox Regression Models with Time-Varying Covariates Applied to Survival Success of
Young Firms (*)
Aygül Anavatan, Murat Karaöz
Akdeniz University, İİBF, Department of Econometrics
07058, Kampus, Antalya, Turkey
E-mails: aygulanavatan@akdeniz.edu.tr, mkaraoz@akdeniz.edu.tr
Abstract
Cox proportional hazards model assumes that independent variables remain constant
throughout the observation period. Model can give biased results in cases which this
assumption is violated. One of the methods used modelling the hazard ratio in the cases that
the proportional hazard assumption is not met is to add a time-dependent variable showing the
interaction between the predictor variable as parametric function of time. In this study, we
investigate the factors that affect the survival time of the firms and the time dependence of
these factors using Cox regression considering time depedent independent variables.

(*) This paper is an extension to the findings of the scientific research project “The Factors Affecting
Survival and Growth Performance of Newly Established Enterprises in Business Incubators: A Survey
on the KOSGEB Business Development Centers (İŞGEM)”, 109K139, which has been funded with
grant from TÜBİTAK. We also acknowledge the administrative support to the project from KOSGEB.
49

�</text>
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                <text>The Effect of Exchange Rate Volatility on Import Demand: Evidence from Turkey</text>
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                <text>Since 2001 financial crisis, Turkey has adopted fluctuating exchange rate regime in order to  make the economy stronger against external shocks. This has lead to a high volatility of  Turkish lira against to foreign currencies. Therefore, it became essential for policy makers to  evaluate the potential effects of exchange rate volatility on international trade. The purpose of  this study is to provide new evidence on the effects of exchange rate volatility on the import demand of Turkey along with income and price elasticities. Our data cover the period 2010:01  to 2010:05. We, initially, employed a GARCH model to evaluate exchange rate volatility one  of the independent variables that estimate real import. The study also includes conventional  determinants such as relative price level of imports and real GDP. Afterwards, our paper  investigates long-run and short-run relationship between real imports and its determinants by  using ARDL error correction model. The empirical results indicate that real exchange rate  volatility of local currency has significant and reverse effect on import demand.  Keywords: Exchange rate volatility, Import demand, GARCH model, ARDL error correction  model, Turkey.</text>
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                    <text>3rd International Symposium on Sustainable Development, May 31 - June 01 2012, Sarajevo

Uzun S., İlbaş A.İ., İpek A., Beyzi E.Uranbey, S. and Arslan, N. (2012). In Vitro Propagation
of Endemic Iris galactica Immature Zygotic. XI. International Symposium on Flower Bulbs
and Herbaceous Perennials. Abstract Book. P: 109. ANTALYA.
Yıldırım Z., Öztürk G. and Esen, M. (2010). Propagation of Tuberose (Polianthes tuberosa L.)
in In Vitro Conditions. III. National Ornamental Plants Congress.p:98-102. İZMİR
Zencirkıran M.and Mengüç A. (2002).The Effects of Twin Scale and Chipping
Techniques on Bulblet Production in Galanthus elwesii Hook. II. National Ornamental
Plants Congress.p: 24-28.ANTALYA.
Zeybekoğlu E. and Özzambak E, 2012. XI. International Symposium on Flower Bulbs and
Herbaceous Perennials. Abstract Book. P: 225. ANTALYA.
Sustainable Collection of Laurel (Laurus nobilis L.) Leaves in Antalya Province
Deniz Hazar1 Ibrahim Baktir2

Ozgul KaraguzeL3

Levent Ht4

1*Akdeniz University, Kumluca Vocational School
2 Akdeniz University, Faculty of Agriculture, Department of Horticulture
3Bati Akdeniz Agricultural Research Institute
4Antalya Forest Department
E-mail: dhazar@akdeniz.edu.tr
Abstract
Laurel (Laurus nobilis L.) is an evergreen shrub which belongs to the Lauraceae family. It
grows naturally along the entire coastal line of Turkey up to altitude of 1200 m. Laurel has
been regarded as an important medicinal and aromatic plant for years in the Mediterranean
Basin. Meantime, it is also often used as an ornamental plant in parks and gardens because it
is very much suitable to pruning and to give the desired forms. Turkey provides about 97% of
the world’s laurel leaf need. It is one of the top five plants collected from nature and exported
from Turkey. However, there are some serious problems about the production system of
laurel. Laurel production is done in conventional methods by local people. These areas are
under threat due to overgrazing and uncontrolled collection. Ultimately, laurel growing areas
have been exploited. In recent years, the researches related to sustainable use of laurel have
increased. In this study it was investigated the researches conducted to sustainable use of
laurel in Sırtkoy, Manavgat district and some other districts of Antalya. The aim of these
studies was to develop an inventory method and to prepare management plans to be used by
forest service and regional people. The cut shoots and leaves of laurel should be controlled
and they should not be cut from the same locations every year. The rotation must be strictly
applied in every 3 or 4 years intervals. Leaf collections should be done by experienced people
in right period of the years and the leaves should be dried in a proper way.
Keywords: Laurel, leaf, sustainability
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1.INTRODUCTION
Medicinal and aromatic plants are used for many purposes. There is a growing demand for
them at the global level. They are mostly collected from nature. Therefore, conservation and
sustainable use of these species are necessary to meet the needs of present and future
generations. Laurel is an important medicinal and aromatic plant in Turkey. Laurel areas are
under threat due to some serious problems such as uncontrolled collection and overgrazing. In
this study, it was investigated the researches have been conducted so far (e.c. SırtkoyManavgat district) to conservation and sustainability of laurel areas.
Laurel (Laurus nobilis L.) is a member of the Lauracea family which contains 45 genera and
about 1000 species. It is also known, as sweet bay, bay laurel, Grecian laurel, true bay and
bay. In Turkish, it is named as Akdeniz defnesi or only defne. The homeland of the Laurel is
Anatolia and Balkans. But it was taken to the shores of the Mediterranean in ancient times.
Today it is one of the characteristic plants of the Mediterranean. Laurel grows wild and is
cultivated in many warm regions of the world particularly in the Mediterranean countries
(Turkey, Greece, France, Spain, Portugal, Algeria and Morocco). It grows naturally along the
entire coastal line of Turkey up to altitude of 1200 m (Davis, 1982; Başer and Ekim, 2003). It
has a wide distribution in Turkish flora: Balıkesir, Bursa, İstanbul, Zonguldak, Kastamonu,
Sinop, Trabzon, Rize, İzmir, Muğla, Antalya, Mersin and Maraş (Davis, 1982) (Figure 1). It
isn’t selective in terms of soil request and prefers stream beds (Göker and Acar, 1983; Özel,
2008). Its distribution area is related to water (in soil or in weather) every time (Özel, 2008)
Laurel is an evergreen large shrub or small tree growing up to 15 m in height (Davis, 1982).
The leaves are elliptic and shiny dark green about 5-10 cm long, rather thick, aromatic and
leathery. It has shiny gray bark. The laurel is dioecious plant with male and female flowers on
separate plants. Clusters of small yellow or greenish white flowers are produced in spring on
the female plants. The fruits are small (about 1-2 cm long), egg-shaped, green single-seeded
berries that ripen to shiny, purplish black in the fall (Gökmen 1973; Seçmen et al., 1992).

Figure 1. Distribution of Laurel in Turkey (Davis, 1982)
Laurel has been symbolised of victory, strength and protection since ancient times. After the
victory or success, a crown of laurel leaves was worn by the emperors, generals, heroes and
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athletes in ancient Rome and Greek. Also it has been used for many purposes for ancient
times (Jirovetz et al., 1997).
The tree is grown primarily for its leaves. Fresh or dried, they are used as a culinary herb and
also for leaf essential oil. Dried leaves are used as flavour and spice, especially in canned
meat and fish, storage of olive, packaging raisins and dried figs. Laurel leaf essential oil has
got widely usage in the flavouring, cosmetic and perfume industries. The oil extracted from
berries is utilized in the food, drink, pharmaceutical, chemical and cosmetic industries. The
leaves are also used in traditional medicine and to rheumatism, joint pains, epilepsy,
parkinsonism, schizophrenia, stress, stomach ulcers, to stimulate the appetite and as a sedative
and antiseptic. The oil extracted from the berries is used as a cure for irritated skin, earache,
asthma and urinary ailments.
Furthermore, it was widely cultivated and used mainly in Europe and the USA as an
ornamental plant in parks and gardens because of suitable to pruning and to give the desired
forms. (Barla et al., 2007).
Turkey has an important potential for production and exports of the laurel. About 90% of
world’s laurel production is done in Turkey. It is one of the top five plants collected from
nature and exported from Turkey.
Laurel leaf production is arranged according to laws and principles and the annual production
programs of the General Directorate of Forestry. Laurel leaf production is done between July October due to vegetative growth has stopped.
Since the best quality leaves are on 2-3 year-old shoots, leaf production is the collection of
these leaves. This process is not in the form collection of single leaves, is obtained by cutting
the 2-3 year old leafy shoots (Bozkurt et al., 1982; OGM, 1987).Leafy shoots are made bunch
and are dried in the shade. So, the green color of leaves is protected. After the leaves dried,
they are collected from shoots. Yellowed leaves and contaminated foreign substances are
eliminated. Then the dried leaves are separated into quality classes and packed. The drying
process is made very primitive conditions. Ultimately, percent of the unqualified leaf is
increased.

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Figure 2. A graph showing the production quantities until 2006 and the estimated demand
quantities after 2006 in the laurel areas
As seen from the Figure 2, the demand quantities are increasing every year. However, there is
no increase in the laurel areas. On the contrary, it decreases with each passing day.
Accordingly, the amount of production also decreases. The reasons for this are as follows:
1. The dense, irregular and uncontrolled leaf collecting is made.
2. These areas are under threat due to overgrazing.
3. There is not an applicable inventory method and management plan accepted and
implemented by forest service and small farmers.
4. Laurel production is done in conventional methods by local people.
5. Laurel production is mostly done from its native areas. The newly established plantations
are very limited.
6. The clonally propagation techniques aren’t used for sampling production. Therefore, the
standard product can not be obtained from the new plantations.
7. Diseases and pests of laurel are damaged its leaves. This situation causes a loss in product.
8. The lack of information
Some researches have been conducted to ensure the sustainability of production and exports
of laurel leaves in the laurel production areas of Antalya and other provinces.
2.Researches on Laurel in Antalya:
1. Sırtkoy-Manavgat: This is the main study in laurel. Sırtkoy-Manavgat district were chosen
to study the criteria of sustainable use of laurel. The aim of this study was to develop an
inventory method and prepare a management plan to be used by forest service and farmers. In
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the first step, the inventories of the areas were carried out and the areas were assigned into
homogenous classes. In the second step, fresh laurel leaf yield was measured on 30 sampling
plots. In the third step, an index named “crown index” was developed to estimate actual leaf
stocking in sample plots taken for inventory. The index is determined by multiplying
of crown diameter and crown height and gives the values represent the amount of leaf
production for a tree. Correlation of this index values with measured values was significant
(r=0.79; P&lt;0.0001). This index was used successfully for inventory of study area. The index
was also suggested to planers to use for inventory studies. The digital maps produced by the
use of GIS (Geographic Information System). The leaf harvesting rotation plans were
developed on digital maps. GPS (Global Positioning Systems) was also used to locate all the
fieldwork plots. As a result, a management plan was prepared for practitioners and forest
service (Baş et al., 2005).
2. Yardop project: After the huge forest fire (16 000 ha) in Tasagil-Serik in 2008, Yardop
project was developed in order to establish fire-resistant forests by forest service. This project
aims to establish with leafy forest trees 50-150 m wide area between forest and farmland. For
this purpose selected plants are laurel, carob, acacia, olives, almonds and cypress. Especially
laurel is preferred because it is fire resistant and provides income.
3.The Other Researches on Laurel in Turkey:
1. The aim of this study was to determine the most suitable leaf harvesting method and cutting
period which were yield good quality and quantity leaves of laurel and its economy.
Experimental design was completely randomized parcel design with three different leaf
harvesting methods (clear cutting, pollarding, combination) and three different shoot cutting
periods (every year, once in two years, once in three years) on total 108 plots. First treatment
was clear cutting method (coppice system). Second treatment was pollarding method. Within
this method, one shoot which good growing and 1.0-1.5 m height at each plot was selected
and were cut over its shoots on 1/3 ratio. The third treatment is combination method. It was
combination of first and second methods. Shoot cutting periods were every year cutting, at
two years interval cutting and at three years interval cutting. Commercially important dry leaf
yield/plot (g/plot), the best quality dry leaf yield/ dry leaf yield ratio (%), the best quality dry
leaf yield/plot (g/plot) and dry base essential oil contents (%) were given.
According to results of this research; combined leaf harvesting method and two years interval
cutting period were suggested for laurel areas (Polat et al., 2009).
2. The aim of this study was to determine the most suitable vegetative propagation method of
laurel. For this, the cuttings were taken in 11 different time periods and treated with 5
different dose of IBA, were planted in 4 different medium. The best results were obtained
from cuttings taking on 30 July and applied with 5000 ppm IBA. The mix of peat and perlite
was determined as the best media (Parlak, 2008).
4.CONCLUSION
In this study, to ensure the sustainability of laurel areas have been revealed primarily the
problems. Some researches done in these areas are examined and some proposals are
presented. One of the oldest and the most comprehensive studies were done in SırtkoyManavgat district and it was followed by several other studies. Considering the results of
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these studies, the following recommendations can be presented to the sustainability of the
laurel areas: The cut shoots and leaves of laurel should be controlled and they should not be
cut from the same locations every year. The rotation must be strictly applied in every 3 or 4
years intervals. Leaf collections should be done by experienced people in right period of the
years and the leaves should be dried in a proper way. To prevent destruction in natural laurel
areas and to promote management of culture fields should be primarily carried out education,
information and organization activities. For this purpose, the state, producers and private
sector must be provided coordination and unity of purpose.
REFERENCES
Barla, A., Topcu. G., Oksuz, S., Tumen, G.and Kingston, D. (2007). Identification of
cytotoxic sesquiterpenes from Laurus nobilis L. Food Chem, 104: 1478-1484.
Baş, M.N., Güler, S. ve Erkan, N. (2005). Defne (Laurus nobilis L.) Alanlarında Yaprak
Üretim Miktarlarının Belirlenmesi (Manavgat-Sırtköy Örneği). Çevre ve Orman Bakanlığı
Batı Akdeniz Ormancılık Araştırma Müdürlüğü. Teknik Bülten Serisi. No:24, Antalya
Baser, K.H.C. and Ekim, T. (2003). Medicinal Plants in the Western Black Sea Countries:
Turkey, Eurasia Environment Conference, Istanbul, 21-23 October 2003, Türkiye Çevre
Vakfi Yayini, Istanbul.
Bozkurt, Y., Yaltırık, F. ve Özdönmez, M. (1982). Türkiye’de Orman Yan Ürünleri, İstanbul
Üniversitesi Orman Fakültesi Yayınları, İÜ Yayın no:2845, O.F. Yayın no:302, İstanbul,
s:13-15
Davis P.H. (1982). Flora of Turkey, Vol. 7, Edinburgh University Press, Edinburgh.
Göker,Y. ve Acar, İ. (1983). Orman Yan Ürünlerinden Akdeniz Defnesi (Laurus nobilis L.). İ.
Ü. Orman Fakültesi Dergisi. Cilt: 33. Seri: B. Sayı: 1. İstanbul.
Gökmen, H. (1973). Kapalı Tohumlular 1. Cilt. Şark Matbaası. 576 s. Ankara.
Jirovetz, L., Buchbauer, G.and Ngassoum, M. (1997). GC/MS-analysis of essential oils from
Cameroon plants used as spices in local foodstuff. Recent Research and Development In
Agricultural and Food Chemistry, 1: 241-255.
OGM (1987). Ülkemizdeki Bazı Önemli Orman Tali Ürünlerinin Teşhis ve Tanıtım Kılavuzu,
Orman Genel Müdürlüğü, Yayın No:659, Seri No:18, Ankara, sayfa:25.
Özel N., Akkaş, M.N., Öner, H.H., Akbin, G., Altun N. ve Albayrak Akbin, N. (2008). Batı
Anadolu’da Defne (Laurus nobilis L.)Yayılış Alanlarının Yetişme Ortamı Özelliklerinin
Belirlenmesi. Ege Ormancılık Araştırma Müdürlüğü. Teknik Bülten Serisi. No:39, İzmir.
Parlak, S. (2008). Defne (Laurus nobilis L.)’nin Çelikle Üretilmesi. Ege Ormancılık
Araştırma Müdürlüğü. Teknik Bülten Serisi. No:42, İzmir.
Polat, S., Gülbaba, A.G., Tüfekçi, S. ve Özkurt, A. (2009). Defne (Laurus nobilis L.)
Alanlarında En Uygun Yaprak İşletme Şekli ve Maliyetlerinin Belirlenmesi (Tarsus Örneği).
Doğu Akdeniz Ormancılık Araştırma Enstitüsü. Teknik Bülten Serisi. No: 34, Tarsus.
Seçmen, Ö., Gemici, Y., Görk, G., Bekat, L. and Leblebici E. (1992.) Tohumlu Bitkiler
Sistematiği (Ders Kitabı). Ege Üniversitesi Fen Fakültesi Kitaplar Serisi No:116. Ege Ünv.
Basımevi. Bornova-İzmir.

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                <text>Laurel (Laurus nobilis L.) is an evergreen shrub which belongs to the Lauraceae family. It  grows naturally along the entire coastal line of Turkey up to altitude of 1200 m. Laurel has  been regarded as an important medicinal and aromatic plant for years in the Mediterranean  Basin. Meantime, it is also often used as an ornamental plant in parks and gardens because it  is very much suitable to pruning and to give the desired forms. Turkey provides about 97% of  the world’s laurel leaf need. It is one of the top five plants collected from nature and exported  from Turkey. However, there are some serious problems about the production system of  laurel. Laurel production is done in conventional methods by local people. These areas are  under threat due to overgrazing and uncontrolled collection. Ultimately, laurel growing areas  have been exploited. In recent years, the researches related to sustainable use of laurel have  increased. In this study it was investigated the researches conducted to sustainable use of  laurel in Sırtkoy, Manavgat district and some other districts of Antalya. The aim of these  studies was to develop an inventory method and to prepare management plans to be used by  forest service and regional people. The cut shoots and leaves of laurel should be controlled  and they should not be cut from the same locations every year. The rotation must be strictly  applied in every 3 or 4 years intervals. Leaf collections should be done by experienced people  in right period of the years and the leaves should be dried in a proper way.  Keywords: Laurel, leaf, sustainability</text>
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