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thesis entitled
AN EMPIRICAL EVALUATION OF COMMERCIAL BANK OPERATIONS
presented by
Dogan Mustafa Sindiren
has been accepted towards fulfillment
of the requirements for
Ph.D. Business - Finance
degree in
Date March 20, 1975
0-7539
ABSTRACT
AN EMPIRICAL EVALUATION OF COMMERCIAL BANK OPERATIONS
IN TURKEY
By
Dogan Mustafa Sindiren
Basic banking legislation in Turkey forbids the creation
of any depository type of financial intermediary other
than banks. This has conferred near monopolistic powers
on Turkish banks. greatly enhancing their general eco-
nomic importance. As a result. scholars have engaged.
especially in the last two decades. in a vigorous debate
concerning the role played by banks in implementing eco-
nomic policy. In this context the analysis is usually
conducted in macro-economic terms without much atten-
tion to the internal operating efficiency of individual
banks. This neglect of micro-economic factors is some-
what suprising because the Turkish banking system is
markedly heterogeneous in character so that aggregative
figures tend to conceal important aspects of the system.
Furthermore. efficiency of a system depends largely on
the efficiency of individual units that the system comp-
rizes. Consequently. interrelationships between the
internal Operations of commercial banks and the frame-
work of public policy within which they have to Operate
cannot be fully understood without a careful analysis
Dogan Mustafa Sindiren
of the former.
The Objective of this study is to remedy the above defi-
ciency by specifically analyzing the internal operations
of privately owned commercial banks in Turkey. in order
to find out the specific performance factors significant-
ly affecting their profitability. This objective is re-
stated as the principal hypothesis of the study as fol-
lows. "Commercial banks in Turkey which do business
under provisions of 'The Turkish Law on Banks' exhibit
wide differences in profitability rates. and these dif-
ferences can be explained by a careful analysis of inter?
nal Operating factors."
Three secondary hypotheses concerned with growth. cost
of Operations. and number of branch offices of commer-
cial banks. were also tested during the course of the
research.
In order to familiarize the reader with the Turkish bank-
ing system. summarized background information on all rele-
vant aspects of Turkish banking was included in the study.
A separate chapter was added to point out some basic dif-
ferences and similarities of commercial banking Operations
in Turkey and in the United States of America.
Annual rates of change computed for relevant sets of per-
formance factors for each bank during the period 1961 to
1970. inclusive. were utilized and tested by use Of the
Dogan Mustafa Sindiren
chi-square criterion. Student-t test. and simple and
rank correlations.
The principal source of data used in the study was the
yearly publications of 'The Banks Association of Turkey'.
These publications furnished the year-end financial state-
ments of all the banks in Turkey. and other relevant in-
formation in connection with their Operations.
Interviews held with the executives of ten commercial
banks provided qualitative information which augmented
the numerical data. The results of the quantitative
analysis were also discussed with these executives.
The research disclosed statistically significant differ-
ences in the profitability rates of commercial banks.
Seven out of twenty-nine performance factors tested were
found out to be the major causes for these differences.
These seven factors could be categorized into three main
groups: lending. commercial deposits. and personnel.
Interestingly enough. no significant statistical differ-
ence was Observed between the reported profits of growth
and non-growth banks. Moreover. neither economies nor
diseconomies Of scale were observed to work for commer-
cial banks included in the study. The analysis also
disclosed that being organized as a unit or a branch
bank did not. by itself. affect profitability.
Dogan Mustafa Sindiren
It was concluded that Turkish bankers were probably res-
ponding logically to a public policy which did not en-
courage efficiency and Optimum resource allocation.
Therefore. it was recommended that the policy should be
changed to create a framework within which bankers would
be motivated to be more efficient. Relaxation Of the
fixed interest rate ceiling policy. exemption of inter-
bank transactions from the transaction tax. and permis-
sion to form financial institutions other than banks.
were the major public policy changes suggested to help
create this framework.
AN EMPIRICAL EVALUATION OF COMMERCIAL BANK OPERATIONS
IN TURKEY
By
Dogan Mustafa Sindiren
A THESIS
Submitted to
Michigan State University
in partial fulfillment of the requirements
for the degree Of
DOCTOR OF PHILOSOPHY
Department of Accounting and Financial Administration
1975
<:)COpyright by
DOGAN MU STAFA SINDIREN
197 5
ACKNOWLEDGMENTS
I wish to express my gratitude to Professor John L.
O'Donnell for his direction. constructive criticism. and
thorough review of every part of this study. Professor
O'Donnell spent many hours reading and correcting the
drafts of the thesis. His confidence in me and his con-
tinuous encouragement through all phases of my graduate
studies helped me to complete my education.
Special thanks are due to Professors Alden C. Olson.
Richard C. Henshaw and Harry G. Brainard who kindly
agreed to serve on my dissertation committee.
I am grateful to Selguk Ozgediz for taking care of the
completion of final formalities required for the degree.
to Marie Oztfirkcan for his suggestions with respect to
statistical analysis used in the research. and to Halfik
Sargin for the final drawings of the figures.
I will always remain indebted to JOhn Zdanowicz. Leroy
Brooks and Waldemar Goulet whose true friendship not only
helped me with my studies. but also made my stay in the
U.S.A. more enjoyable.
ii
Last but definitely not least. my wife deserves my sin-
cerest appreciation for her help with the typing of the
manuscript. I am also grateful to her for her moral and
financial support which made it possible for me to comp-
lete my graduate studies.
iii
TABLE OF CONTENTS
LIST OB‘ TABIIES COOOOOOOO00.000.000.000...00......
LIST OF FIGURES OOOCOOOOOOCOOCOOCOOOOOOOOOOOCCOOO
CHAPTER I. INTRODUCTION OOOOOOOOCOOOOOOOOOOOOOOO
A. Purpose Of Study ooooooooooooooooooooooooooooo
Bo HypOtheseB ooooooooooooooooooooooooooooooooooo
C. Background Information on the Turkish Banking
System ooooooooooooooooooooooooooooooooooooooo
De Relevant LegiSlation ooooooooooooooooooooooooo
E. Scope Of StUd‘Y oooooooooooooooooooeooooooooooo
Fe MethOdOIOgy oooooooooeooooooooooooooooeooooooo
Go Source Of Data oooeooooooooooooooooooooooooooo
He Limitations Of the Study ooeoooooooooooooooooo
CHAPTER II. FINDINGS OO...OOOOOOOOOOCOOOOOOOOOCO
PART I. QUANTITATIVE ANALYSIS OOOOOOOOOCOOOOOOOO
A. PrOfitability oooooooeoooooooooooooooooooooooo
B. GrOWth VS. PrOfitS 0......OCOOOCOOOOCOOOOCOOOC
C. Size VS. COSt OCCOOOOOCOOOOCOCOOOOCOCOOOOCOOOO
D. Number of Branches vs. Profits ...............
E. Profitability vs. Performance Factors ........
PART II. QUALITATIVE ANALYSIS OOOOOOCOCOOOCOOOO O
A. Loans EXtended ooooooooooooooooooooooooooooooo
Bo Commemial Deposits oooooooooooooooooooooooooo
Co Personnel ooeooooooooeooooooooooooooooooooocoo
D. Other Relevant Findings oooooooooooooooooooooo
lo BranChing ooooooooooooooooooooooooooooooooe
2. PromOtiOnal Prizes and. Gifts 000.000.00.00.
3. Dividends vs. Retained Earnings ...........
CHAPTER III. A BRIEF COMPARISON OF COMMERCIAL
BANKING OPERATIONS IN THE U.S.A.
AND IN TURKEY O....................
A. Structural Differences and Similarities ......
iv
Page
vi
vii
B0 DepOSItB and Loans ..........................
C. Revenues. Expenses and. PrOfitB ........0.....
D0 DISCIOSUI'G Requ1rement8 0....0......0....0...
CHAPTER IV. CONCLUSIONS AND RECOMMENDATIONS ...
BIBLIOGRAPHY ......OOOOOOOOOOO......OOOOOOOOOOOO
APPENDIX Banks Operating in Turkey at the End
Of 1970 O......OOOOOOOOOOOOOOOOOC....
Page
104
107
110
115
125
127
Table
10
LIST OF TABLES
Profitability Rates of Commercial Banks
in Turkey. lO-Year Averages (1961-1970)....
Chi-square Values for Profitability Rates
of Turkish Commercial Banks (1961-1970) ....
PrOportional Shares of Each Turkish Com-
mercial Bank of Total Equity Capital and
Total Profits. lO-Year Averages (1961-1970).
Annual Rates of Change of Turkish Commer-
cial Banks in Profits before Tax. Equity.
and Net Tangible Assets (1961-1970) ........
Size and Cost of Turkish Commercial Banks
(1961'1970) ooocooooooooooooooooo0000000000.
Annual Rates of Change in Number of Branches
and Profits of Turkish Commercial Banks
(1961-1970) 00.00000oooooooooooocooooooooooo
Means. Variances. and "t" Values for 29
Performance Factors by "High" and "Low"
Prefitability Groups (1961-1970) a o o o o o o o o o a
Means. Variances. and "t" Values for 8
Performance Factors by "High" and "Low"
Groups of Loans Extended (1961-1970) .......
Means. Variances. and "t" Values for 7
Performance Factors by "High" and "Low"
Groups of Promotional Prizes (1961-1970)....
Percentage of Net Bank Service Charges to
Total Profits. lO-Year Averages (1961-1970).
vi
Page
52
55
59
45
5o
55
66
68
74
Figure
LIST OF FIGURES
Ranking of Turkish Commercial Banks
According to Profitability Rates
(1961’1970) .0....0000000.....0000.........
Annual Rates of Change in Net Tangible
Assets and Profits of Turkish Commer-
0181 Banks (1961-19.70) 000....000..0.......
Annual Rates of Change in Net Tangible
Assets and Cost (Definition 1) of
TurkiSh Commemial Banks (1961-1970) . . . . . 0
Annual Rates of Change in Net Tangible
Assets and Cost (Definition 2) of
Turkish Commercial Banks (1961-1970) ......
Annual Rates of Change in Number of
Branches and Profits of Turkish
Commemial Ban-k8 (1961-19.70) 00............
vii
Page
45
52
52
57
CHAPTER I
INTRODUCTION
" The importance of an over-all view of
profit management is hard to exaggerate.
Bank profits are achieved mainly by
balance. precision. and consistency in
management rather than by isolated bold
strokes of business planning."
- R. I. Robinson
The Management of Bank Funds.
A. Purpose of Study
Various. and sometimes conflicting. opinions expressed
by economists with respect to the efficiency of the bank-
ing system in Turkey have been the cause of a vigorous
debate during the last two decades.
For example. Professor Z. Hatiboglu of Technical Univer-
sity of Istanbul has elaborated upon the inefficiency
and high costs of the Turkish banking system in his va-
rious papers.1
l. Hatiboglu. Zeyyat. (a) "Turkiye Ekonomisinde Banks-
ciligin Yeri ve Problemleri". "Turkige Bankaciliéinin
Ba lica Sorunlari Semineri. May - . . r ye
onomi Kurumu IktisadlArastirmalar Enstitfisfi. Pub-
lication No. 8 (Basnur Matbaasi. Ankara) l969.pp:1-23-
(b) "Turkiyede Bankaciligin Bfinyesi ve Problemleri."
Bank80111k Semineri. May 21-26. 1967' M000 Prodiikti-
vIte Kurumu. (Istanbul Matbaa81. Istanbul) l968.pp.l-55.
(c) "Banks Kaynaklari ve Kullanilmasi." Bankacilik
Semineri. pp. 36-66.
2
His criticism of the operational policies and procedures
adopted by Turkish banks. and his objections to the exis-
ting public policy governing their operations are based
upon the following factors.
1. Tendency towards excessive branching.
2. Excessive promotional expenses.
3. Lack of extensive use of checking accounts.
4. Excessive transaction tax levied on banking
Operations.
5. Excessive reserve requirements.2
Professor A. Zarakolu of University of Ankara claims that
the profits reported by Turkish banks are not high enough
despite the very favorable difference between the lending
and borrowing rates of interest charged and paid by these
banks.3
M. J. Fry of City University of London believes that bank-
ing is a fairly profitable business in Turkey although the
Turkish banking system has high costs and is not very effi-
01ent .4
All these economists are mostly concerned with the role
played by banks in implementing economic policy. In this
2. Hatiboglu. "Banks kaynaklari ve Kullanilmasi." pp.56-59-
3. Zarakolu. Avni. "Turkiyede Faiz Politikasi." Bankacilik
Semineri. p. 96.
4. Fry. Maxwell J.. Finance and Develo ment Planning in
Turkey. (USAID/Turkey. Ankara) . p. .
3
context the analysis is usually conducted in macro-economic
terms without much attention to the internal operating effi-
ciency of individual banks. This neglect of micro-economic
factors is somewhat surprising because the Turkish banking
system is markedly heterogeneous in character. and a rela-
tively small number of banks represents a substantial por-
tion of the total banking Operations. Therefore. aggre-
gative figures tend to conceal important aspects of the
system.
It has been suggested that in the U.S.A.. "banks usually
try to 'keep in step' with one another". and "banking
usually encourages conformity and discourages heterodoxy."5
Statistics of Income based on income tax returns and pre-
pared by the Bureau of Internal Revenue. show little dis-
persion in banking profits in the U.S.A.. rates of ear-
nings on invested capital bunching closely. and the num-
ber of banks suffering losses or showing exceptionally
6 If the same were true for
large profits being rare.
Turkish banks. aggregative figures for'banking system as
a whole could. to a certain extent. provide insight to the
Operations of Turkish banks. However. if a wide disparity
in the profitability of the same existed. possible biases
5. Robinson. Roland I.. The Mana ement of Bank Funds.
Second Edition. (McGraw-HIII Sock Company.Inc..
New York) 1962. p. 45.
5. Ibid09 p. t"16.
4
introduced by significantly high or low ratios of a small
number of banks could distort the true picture of the
Turkish commercial banking system.
Furthermore. efficiency of a system depends largely on
the efficiency of individual units that the system comp-
rizes. Consequently. interrelationships between the
internal operations of commercial banks and the frame-
work of public policy within which they have to Operate
cannot be fully understood without a careful analysis
of the former.
From a managerial point of view. too. it is more meaning-
ful to think of a bank as an individual business enter-
prise Operating in a competitive milieu. degree of success
or failure depending heavily on the managerial policies
and procedures employed. Professor Robinson of Michigan
State University emphasizes on the fact that "Each bank
is managed separately. The normal focus of the managerial
problem in banking is a bank. not the system of banks."7
Finally. the relativeness implied by terms such as
'efficiency'. 'high or low profitability'. 'high or low
costs'. etc. definitely calls for a comparison of one sort
or the other. Neither qualitative nor quantitative mea-
sures of relative strength or position can mean much
7. Ibid.) p. 415.
5
unless they are utilized to compare given situations with
relevant criteria or with other situations of similar
nature.
A preliminary research comprized of the following steps
disclosed no evidence of any research conducted to answer
the need explained in the preceding paragraphs.
1. Library research at:
a. Banks Association of Turkey.
b. Institute of Research on Banking and Commercial
Law 9
0. Central Bank of Turkey.
2. Correspondence with:
a.
b.
World Bank.
International Monetary Fund.
3. Interviews held with:
a.
Associate Secretary General of Banks Asso-
ciation of Turkey.
President of the Institute of Research on Bank-
ing and Commercial Law.
Director of the Department of Economic Research.
Central Bank of Turkey.
Economic advisors of the Agency for International
DeveIOpment, Mission to Turkey.
Professors of the Ankara Academy of Economic and
Commercial Sciences.
Executives of ten commercial banks.
6
Therefore. the objective of this study is to remedy the
above deficiency by:
1. Specifically analyzing the internal Operations
of all privately owned national. local and
foreign commercial banks. Operating under provi-
sions of 'The Turkish Law on Banks'. over a period
of ten years;
2. Evaluating the findings of this analysis. and on
the basis of this evaluation. investigating why.
if any. significant differences in the profitabi-
lity of these banks exist:
5. Drawing generalizations to explain such differences
in order to contribute to a better understanding of
the commercial banking operations in Turkey.
B. fiypotheses
The objective outlined above is restated as the principal
hypothesis of this study as follows.
Principal Hypothesis
"Commercial banks in Turkey which do business under provi-
sions of 'The Turkish Law on Banks' exhibit wide differen-
ces in profitability rates. and these differences can be
explained by a careful analysis of internal Operating
factors."
Secondary Hypotheses
Two studies made by the Federal Reserve Bank of Kansas.
U.S.A.. at the beginning of the last decade showed that
"the more rapidly growing banks did not have higher ear-
nings than banks that had grown less or not at all".8
and that " the costs of doing business at big banks were
appreciably lower than those at smaller banks."9 An
investigation undertaken to analyze the relationships
between " growth and profitability ". and " size and
cost of operations " of commercial banks in Turkey would
not only be within the scope of this study. but would
also be of interest to the policy makers of these banks.
Professor Z.Hatiboglu contends that the increase in the
number of branches of commercial banks has no economic
value in Turkey. and therefore. the number of branches
that these banks may Operate should be restricted.10
Few bankers agree with the professor while most of them
strongly Oppose this suggestion. Therefore. the following
statements are included as secondary hypotheses to be
tested during the course of the research.
80 Ibid.) p. 4260
9. Ibid.o P. 4270
10. Aykent. Irfan H.. Planli Kalkinma Dbneminde Tfirk
Bankaciligi. (Ege Matbaasi. Ankara) 1970.p. R9.
Secondary Hypothesis No.1
" The reported profits of the more rapidly growing commer-
cial banks in Turkey have not increased more than those
of commercial banks which have grown less or not at all."
Secondary Hypothesis No.2
" The costs of doing business at bigger commercial banks
in Turkey are significantly lower than those at smaller
banks."
Secondarngypothesis No.3
" There is an inverse relationship between the rate of
growth of the number of branches Operated by commercial
banks in Turkey and the rate of growth of their profits."
0. Background Information on the Turkish Banking System
At the end of 1970 there were 47 banks operating in Turkey.
including the Central Bank of the Republic of Turkey.11
The Turkish Law on Banks (hereinafter referred as TLB) does
neither provide a clear-cut classification of banks. nor
does it even define a 'bank'.12 However. the Banks Asso-
ciation of Turkey (hereinafter referred as BAT). in its
yearly publications. classifies the banks in Turkey under
four headings. generally leaving the Central Bank and three
develOpment banks outside these four groups. The headings
11. Banks Association of Turkey. Publication No. 45.
12. Aykent. op.cit.. p. 59.
9
used in this classification are:
1. Banks Founded by Special Laws.
2. Other National Banks.
3. Local Banks.
4. Foreign Banks.
Banks in the first group were founded by their special.
individual legislation. Although grouped under the same
heading. these banks are far from being homogeneous and
differ vastly as to their objectives and scopes of Opera-
tion. Some of them are probably unique to Turkey. because
they are actually state owned. manufacturing. mining or
transportation companies which also deal with commercial
banking in different degrees and only as a secondary
line of Operation. For example. three of the banks in
that group fully own and Operate textile plants. mines
and commercial fleet respectively. Consequently. subs-
tantial portion of their capital is tied to activities
other than banking. Again. some of them are founded
with the sole purpose of serving special economic and/or
social goals by providing credit to certain sectors of the
economy. such as. agriculture. tourism. housing. etc.
Banks included in the other three groups are owned or con-
trolled by private investors and they are all commercial
banks Operating under provisions of TLB. The main differ-
ence between the second and third groups is the amount of
equity capital employed. TLB requires a bank to have a
10
minimum equity capital of TL 2 million.15 but makes an
exception in the case of local banks which have no bran-
ches and which are founded in a locality with a pOPulation
of less than 60 thousand. Minimum equity capital require-
ment for such banks is TL 500.0003."+ These local banks.
in most cases. either eventually increase their equity
capital to TL 2 million and thus become a national bank.
or sooner or later close up their Operations if they can-
not manage to grow.
Foreign banks are owned or controlled by foreign invest-
ors. and in addition to TLB. their Operations are also
governed by legislation dealing with foreign investments
in Turkey. With the exception of one. they are all rela-
tively small. Operate only a few branches and are special-
ized in foreign trade transactions.
Banks grouped under the heading of Other National Banks
are also commercial banks and their main line of Opera-
tion covers accepting deposits and extending short-term
credit to business. They also furnish banking services.
such as. foreign trade transactions. foreign exchange.
collection on bills receivable. safety boxes. etc.
The Central Bank of the Republic of Turkey is the only
institution authorized to print legal-tender currency in
15. TLB. Article 6.
l4. TLB. Provisional Article 2.
11
Turkey. and together with the Treasury. regulates the mone-
tary policy of Turkey.
One state owned and two privately owned develOpment banks
do not accept deposits and extend intermediate- and long-
term credit to public and private enterprises.
At the end of 1970. total equity capital employed by all
the 47 banks was close to TL 8 billion.15 ( 1 us 5 is the
equivalent of 14 Turkish Liras.) This capital was distri-
buted among the various groups of banks as follows.
Equity Capital
(% of Total) 1970
1. Banks Founded by Special Laws 64.84
2. DevelOpment Banks 16.51
5. Other National Banks 14.25
4. Central Bank 2-95
5. Foreign Banks 1-39
6. Local Banks 0.06
( Source: BAT. Publication No.43 )
While the banks founded by special legislation share more
than half of the total equity capital among themselves.
distribution of total deposits amounting to more than TL 41
billion at the end of 197016 presents a different picture.
15 and 16. See Appendix.
12
Deposits Held
(% of Total) 1970
1. Other National Banks 51.25
2. Banks Founded by Special Laws 56.82
5. Central Bank 8.24
4. Foreign Banks 5.67
5. Local Banks 0.02
6. DevelOpment Banks --
( Source: BAT Publication No. 45 )
This difference between the two rankings. specifically
in the case of Banks Founded by Special Laws and Other
National Banks. is mostly due to the hybrid character
of the former which has been briefly described in the
preceding paragraphs.
Banking in Turkey can be generally described as 'branch
banking' rather than 'unit banking'. With the exception
of five local banks. three develOpment banks. three na-
tional banks and two banks founded by special legisla-
tion. each of the other 54 banks had two or more bran-
ches Operating at the end of 1970.
The Appendix provides a complete list of all the banks
operating in Turkey at the end of 1970. together with the
location of their head offices. year they were establish-
ed. equity capital employed. total deposits held and total
loans extended by each.
15
D. Relevant Legislation
Operations of all the banks in Turkey. with the exception
of banks founded by special legislation. develOpment banks
and the Central Bank. are guided mainly by TLB. as amended.
In addition to this law - dated 1958 and amended five times
until the end of 1970,- Turkish Commercial Code. tax laws.
labor and social security laws. foreign investment regula-
tions. interministerial decrees and the decrees of the
Central Bank (formerly. the decrees of the Committee Regu-
lating Bank Credits.) all contain provisions affecting the
Operations of commercial banks. Some of the provisions
relevant to this research are summarized below.
Foundation. Shares. Shareholders and Equity Capital
With the exception of banks founded by special laws. or
those existing at the date of TLB coming into force. all
banks in Turkey must be founded in the form of a joint
stock company. with a minimum of 20 voting share-holders.
At least 51 per cent of the stocks must be listed with
the Securities Exchange. Par value of stocks issued may not
exceed TL 1000.-. and in accordance with the Commercial Code
it may not be less than TL 500.- either. The sum of paid-up
capital and reserves after deduction of losses may not be
less than TL 2 million. The amount of required minimum capi-
tal is increased in line with the population of the location.
An exception was made in the case of unit local banks which
Operated in localities with a pOpulation of less than 60.000
14
when TLB came into effect. In their case. the minimum
equity capital required was only TL 500.000.- Amount
of equity capital to be allocated to branch offices
also differs in accordance with the population.
Deposits
No person or legal entity in Turkey. other than those
authorized by TLB or by special legislation. make it
a profession to accept deposits. Banks are required to
keep separate accounts for savings deposits. commercial
deposits. official deposits and interbank deposits.
Each group must be further classified as demand or time
deposits. Owners of savings deposits are privileged
creditors for an amount equalling 50 per cent of their
deposits.
If total savings deposits that a bank holds exceeds|
the limits set by TLB. 50 per cent of this excess has to
be deposited by that bank in a provision account with the
Central Bank. These limits are set as ratios of savings
deposits to equity capital. the latter being defined as
the paid-up capital.plus. reserves. minus. losses.
Equity Capital Ratio of
TL Million Savings Deposits to
Equity
2 to 5 7:1
5 to 10 8:1
10 to 25 10:1
25 to 50 12:1
More than 50 15:1
15
The rights of depositors to withdraw their deposits in
cash at their convenience may not be curtailed or res-
tricted in any way. However. the conditions agreed upon
between the depositor and the bank regarding maturities
and periods of notice are reserved.
The maximum rates of interest to be applied on deposits
are set by the Central Bank.17 These maximum rates of
interest are as follows.
Type of Deposit 1961 to After
August '70 August '70
(Annual %) (Annual %)
Commercial. official and
interbank. Demand and
until 4 months (incl.) 2 1
Savings. Demand and until
4 months (incl.) 3 5
All de osits. 4 to 6 months
(incl.) 4 4
All deposits. 6 months to 1
year (incl.) 5 6
All deposits. 1 year to 18
months (incl.) 6 9
All deposits. Over 18
months 6.5 9
Additional provision accounts
Up to 1 year 4 4
Additional provision accounts
1 year and more 6.5 6.5
17. Prior to January 1970. by the Committee Regulating
Bank Credits. hereinafter to be referred as CRBC.
16
Promotional Prizes
Banks. in order to stimulate savings. may organize prizes
to be distributed exclusively to owners of savings depo-
sits. by drawing of lots. The maximum annual amount. -
a fixed sum. plus an amount equal to a percentage of
savings deposits held by each bank - nature and type of
such prizes are determined by the Central Bank.18
Liquidity and Reserve Requirements
The minimum ratio of liquid assets to short-term obliga-
tions to be maintained by banks is determined by the
Central Bank.19 This ratio has been 10 per cent between
1961 and 1970. inclusive. Central Bank also sets the
lower limit of funds to be deposited by commercial banks
with the Central Bank as an additional provision. This
amount has been set as 20 per cent of total deposits.
interbank deposits excluded. held by each bank.20
In addition to the reserve requirements set by the Turkish
Commercial Code21. and by their statutes. all banks opera-
ting in Turkey are required to set aside 5 per cent of
their net income as 'provision for possible future losses'
l8 and 19. Prior to January 1970. by CRBC
20. Between 6/4/‘64 and l2/l/‘65. 'additional provision'
for time deposits was 10 per cent.
21. 5 per cent of net income before tax. plus 10 per cent
of net income after tax and after the compulsory divi-
,dend of 5 per cent.
17
until the total amount of such provisions equal their paid-
up capital. Both the reserves required by the Commercial
Code and the provisions for possible future losses have to
be invested in government bonds.
Loans
Banks. with certain exceptions.may not extend to one per-
son or legal entity. loans exceeding 10 per cent of the
banks' equity capital. This limit is increased to 25 per
cent in case of loans extended to industry. mining. pub-
lic utilities. public works. transportation and for export.
Furthermore. the total amount of loans extended by a bank
to firms of which the bank is a share holder may not exceed
20 per cent of the bank's equity capital.
The maximum rates of interest to be applied on loans extend-
ed by banks are set by the Central Bank.22 During the pe-
riod 1961 to 1970. inclusive. these rates were between 5
to 12 per cent depending on the type and maturity of the
loan. On most loans. maximum rate of interest was 10.5
per cent until August 1970. and 11.5 per cent since then.
In addition to interest. banks may charge additional fees
(commission) for services rendered in connection with loan
transactions or for bank services other than extending
loans. The rates of such commissions are also set by the
Central Bank.23
22 and 25. Prior to January 1970. by CRBC.
18
Investments
With certain exceptions. the total amount of funds invest-
ed by a bank in other enterprizes may not exceed 10 per
cent of the bank's equity capital. On the other hand.
firms. 20 per cent or more of whose capital is owned
by a bank. may not invest in the stock of that bank.
Trading in Goods and in Immovables
Banks are not allowed to purchase and sell goods for com-
mercial purposes. The purchase and sale of gold in coins
or in ingots are exempt from this requirement. Further-
more. with the exception of some of the banks founded by
special laws. they generally may not. for commercial
purposes. buy or sell immovable properties or accept mort-
gages on such. However. they may accept mortgage on immo-
vable prOperty as an additional collateral in case of un-
forseen risks connected with the collection of a loan.24
E. Scope of Study
To test the hypotheses stated in Section B of this chapter.
only those banks which operated under similar. or at least
comparable. economic. social and legislative conditions
were included in the study. Consequently. difference in
24. For additional information on legislation affecting
the Operations of Turkish banks. see. Erem.Faruk and
Altiok. Akin. Bankac11ar igin Banks Hukuku Bilgisi.
(Institute of Research on Banking and Commercial Law.
Ankara) 1972.
19
their records of performance could be assumed to be due
to differences in the way their funds were managed. There-
fore. banks founded by special legislation were not inclu-
ded in the coverage of the research. For the same reason.
three develOpment banks and the Central Bank were also
excluded. Thus. the research covered the Operations of all
the 52 national. local and foreign commercial banks Opera-
ting in Turkey. under provisions set forth in TLB. as amen-
ded. Since every one of these banks do business in Turkey
and under the same legislative framework. the term " Turkish
commercial banks". as used throughout the study. covers all
52 of them. regardless of the fact that five are fully or
partially owned by foreign investors. For the same reason.
it was not deemed necessary to further stratify these banks
by groups of national. local and foreign. when the hypotheses
were tested.
The period covered by the study was 10 years. from 1961 to
1970. inclusive. Ten years was thought to be long enough
to normalize earnings and other numerical data. The choice
of 1961 to 1970. inclusive. was considered to be appropriate.
because it not only provided for the utilization of recent
data. but also covered a period during which - with the
exception of the last five months - the rates of interest
applied to both deposits and loans did not change.
20
F. M8th0d01fl
The objective of the study and the related hypotheses sta-
ted in Sections A and B of this chapter imply a set of
questions to be answered during the course of the research.
This set of questions includes the following.
1. Did the rates of profitability. defined as reported
profits over equity capital. of commercial banks in
Turkey show significant dispersion?
2. What were the principal determinents of the profit-
ability of these commercial banks?
5. How did these banks try to resolve the conflict bet-
ween safety and profitability in the employment of
their funds?
4. What types of loans did they extend?
Did they tend to serve certain types of customers?
Why?
5. Was there any relationship between the types of loans
extended and the size and location of a bank?
6. What was the composition of deposits they held?
7. What were the principal sources of their income?
8. What were their principal cost items? To what degree
these costs varied with the change in their volume of
operations?
10.
11.
12.
15.
14.
15.
21
Which of their three sets of operations. namely.
lending. investing and banking services. contributed
more to their profits?
Was there any relationship between the cost of doing
business and the size of a bank?
What were the growth rates of their tangible assets
and equity capital? Was there any relationship
between their rate of growth and their profits?
What was their policy with respect to 'branching'?
What. if any. was the relationship between the number
of branches they operated and their profitability?
What were the significant effects of the existing
legislation on the profitability of commercial
banks?
What were the effects of the attitude of the share
holders on the financial policies of these banks?
What were the effects of the promotional prizes on
the performance of commercial banks?
Since most ofihe ratios and some of the statistics rele-
vant to this research were not readily available. consi-
derable time and effort were spent on these computations.
However. it should be noted that it was not the purpose
of this study to present a set of statistical data Just
for the sake of filling this gap. although even that much
of the work by itself should be interesting to the execu-
tives of commercial banks. Rather. the data compiled and
22
the ratios computed were utilized within the statistical
techniques used to test the relationships and differences
in the performance of commercial banks.
Quantitative Analysis
1.
2.
A substantial part of the quantitative analysis was
dynamic. The reason behind this was that it was
thought to be more meaningful to find out what changes
had taken place over the period covered than what had
happened on the average. Therefore. annual rates of
growth (or change) were computed for relevant sets of
performance factors for each bank over the period
covered by the study. The formula used for these
r = .P/-§— - l
where (r) was the rate of annual change. (T) and (S).
computations was:
terminal and starting values respectively. with (n)
number of years. Three-year averages were used for
terminal and starting values to avoid possible biases
that could be introduced by unusual years. Therefore
(n) was 7 years in most cases. representing the period
between the middle years of the terminal and starting
values.
Banks were ranked from high to low according to the
rates of growth they achieved in each of the perfor-
mance factors. These rankings were utilized for rank
correlation analysis whenever necessary.
4.
23
Simple and weighted arithmetic means were computed
for each performance factor and for each bank over
the period covered. These means were used for the
statistical analysis when such was utilized.
To test the first part of the principal hypothesis
dealing with the existence of significant differences
in the profitability rates of commercial banks. chi-
squares were computed for each of the 10 years covered
by the study. The chi-square criterion was used to
measure the goodness of fit - or the compatibility -
of the rate of return on equity of each bank. with
the mean rate of return on equity of all the banks
included in the research. The individual rates of
return constituted the observed frequencies. and the
mean rate of return for all banks was utilized as
the expected frequency common to all. If the chi-
squares computed were not small. that is. the fits
were not good. it would mean that the observed fre-
quencies representing the individual rates of return
on equity did not constitute a pOpulation having a
uniform distribution. In other words. it would sig-
nify no close bunching of the rates of return and
would therefore indicate a statistically significant
dispersion which could not be attributed to chance.
Since it was feasible to collect. compute and utilize
data on all the banks included in the study. there was
24
no need to use random samples for the test. and there-
fore. observed frequencies constituted the whole uni-
verse. It must be noted that the purpose for using
the chi-square criterion was not to measure the impact
of sampling variations. but to test the significance
of dispersion. if any. of individual profitability
rates from the mean rate of profitability for all
banks. Therefore. utilization of the whole universe
instead of samples. and the resulting relaxation of
the requirement of randomness were of minor signifi-
cance. and would not affect the rationale for using
this statistical test of association.
The principal technique used to test the secondary
hypotheses and the remaining part of the principal
one. was a statistical comparison of the performances
of commercial banks. Banks were divided into two
groups of "high" and "low" performance. using the mean
rate of performance as the dividing line between the
two groups. Then the significance of the relationship
between the meansof the two groups was tested statis-
tically for each relevant performance factor. The null
hypothesis that the means of the two groups were equal.
or not significantly different. indicated that a cer-
tain performance factor was not the cause of the dif-
ference between the two groups. On the other hand.
when the null hypothesis was rejected. that is. a
25 ‘
statistically significant difference between the means
of two groups was observed. the indication was that the
performance factor being tested was directly or indi-
rectly the cause of the difference.
For two- or one-tailed significance tests. Student-t
distribution was utilized. and the equality of the
variances was checked by F-tests. at F0.995 level.
Results were also checked by simple or rank correla-
tion coefficients.
During the course of the significance tests. it was
again feasible to handle data on all the banks in-
cluded in the study. Therefore. the whole universe
of commercial banks. and not random samples. was used
for the tests. The null hypothesis submitted to test-
ing was that the mean performance levels of the "high"
and "low" groups were identical. that is. from the
same underlying population. If the null hypothesis
was rejected. and thus. the tests disclosed significant
differences between the means of the two groups. this
would indicate that these two groups were not from the
same population. In fact. when such was the case.
each group could be defined as a separate universe by
itself.
Again it should be noted that the objective of the
analysis was not to test the relationship of the mean
26
of a sample with that of the population from which
it was randomly selected. The Student-t distribu-
tion was used to test whether or not the two groups
of banks. designated as "high" and "low". constitu-
ted two separate and different pOpulations with un-
equal means. Therefore. the relaxation of the ran-
domness requirement could not affect the conclusive
nature of the results.
6. Whenever it seemed useful. findings were summarized
in tables and/or figures for initial and visual ob-
servation.
7. Since it was not the purpose of this study to provide
the reader with banking statistics or ratios. most of
such data was not included in the presentation of the
findings. rather. they were utilized within the tests
made. and only the summaries of the results were pre-
sented.
Qualitative Analysis
At a very early phase of the research it was realized
that quantitative data would not suffice to complete the
analysis. For example. some of the 15 questions outlined
at the beginning of Section F of this chapter could not
be answered in part or in whole by quantitative tests.
Therefore. interviews were held with 15 tOp and middle
level executives of 10 banks representing 87 per cent of
personnel employed. 85 per cent of branches Operated.
27
82 per cent of equity capital owned. 95 per cent of
deposits held and 92 per cent of loans extended by all
the banks included in the study.25 These interviews
were held with the intention of discussing the results
of the quantitative analysis. and gathering information
which could not be derived from numerical data.
G. Source of Data
The principal source of data used in computing the ratios
and trends were the yearly publications of BAT. These
publications furnished the year-end financial statements
of all the banks operating in Turkey. They also contain-
ed other relevant information. such as. number of personnel
employed. number and location of branches. names and posi-
tions of tOp executives. etc. Interviews held with the
executives of commercial banks. as well as. with the offi-
cials of BAT furnished information to support or amend the
findings. and to explain some of the terminology.
Other apprOpriate sources of information. such as. the
related issues of the Official Gazette. relevant papers
and books on different aspects of the Turkish banking
system were also utilized whenever it was deemed necessary.
25. Based on 1970 figures.
28
H. Limitations of the Study
Anyone who attempts to make an empirical study in the
field of finance in Turkey is seriously handicapped by
two major roadblocks. One is the absence of an active
capital market. and the other is the lack of efficient
disclosure requirements. In the case of banks. the
second problem is somewhat resolved by TLB which re-
quires all banks to submit quarterly summaries to the
Ministries of Public Finance and of Commerce. as well
as. to the Central Bank. Banks. also have to publish
their year-end balance sheets and income statements
in at least two daily papers. one of which must be the
Official Gazette. In addition. they must submit month-
ly totals of deposits and loans to the Central Bank.26
However. only the year-end financial statements are avail-
able to the public. It would have been more meaningful
to use monthly averages instead of year-end figures in
the study. Nevertheless. since the emphasis is on a
comparative evaluation. this limitation did not have any
serious distorting effect on the results.
On the other hand. the first problem could not be avoided.
By law. the stocks of a bank have to be listed with the
Securities Exchange.27 However. the so called Securities
Exchange in Turkey exists almost only in name: and in the
26. TLB Article 51.
27. TLB AI‘tiCle 40
29
absence of active stock market transactions. price quota-
tions are either non-existent or do not reflect the cur-
rent free market value of the stocks. Therefore. out of
necessity rather than willful negligence. no attempt was
made in the study to analyze the impact of the findings
on the stock prices of banks. and no market values were
utilized.
A list of the bank executives interviewed is filed with
the work papers. However. upon their explicit requests.
their names or positions are not mentioned in the study.
Furthermore. some of their statements are their own per-
sonal Opinions. and due to their nature. cannot be sup-
ported by physical evidence.
CHAPTER II
FINDINGS
PART I. qUANTITATIVE ANALYSIS
A. Profitability
Over the period of 1961 to 1970. inclusive. lO-year ave-
rage rates of profitability - defined as profit before
tax over equity capital - for the 52 banks covered by the
study. varied between minus 95.7 per cent and plus 55.7
per cent. with four banks having negative ratios. When
bank N-171, which showed losses between 1961 and 1966.
as well as in 1970. and which had negative equity capital
since 19652 was excluded from the group. this difference
in profitability rates equalled to 57.7 percentage points.
this time the lowest rate being minus 4.0 per cent.
Table 1 gives a complete list of 10-year average rates of
profitability for all the banks included in the research.
The five most profitable banks over the period had average
rates of return above 25 per cent. Four of these were
foreign banks and one. N-15. was partially owned by
foreign investors. One local and five national banks
showed average profitability rates between 15 and 25 per
cent. Profitability rates of one local. one foreign and
1. Throughout the rest of the study. banks will be
referred to by their symbols (See Appendix)
2. Bank N-17 showed positive equity capital in its year-
end financial reports. However. when annual losses
' were deducted from its equity capital. as required by
TLB. the resulting equity capital was negative.
50
51
three national banks were between 10 and 15 per cent.
or the rest. two local and two national banks had nega-
tive rates of return on equity, while the average profit-
ability of the other 12 banks varied between 0.7 and
8.5 per cent.
Figure l. which pictures the above findings. shows no
close bunching of the average rates of profitability
over the period covered by the research. The weighted
average rate of return on equity for all the 52 banks
over the same period was 17.0 per cent. If the majority
of the banks had ratios close to that mean. it could be
claimed that there was no significant dispersion in the
profitability of commercial banks in Turkey. However.
a visual observation of Table 1 and Figure 1 did not seem
to support such a claim.
The chi-square criterion was used in order to test the
first part of the principal hypothesis statistically.
Observed frequencies were the individual rates of return
on equity. and expected frequencies were identical for
all banks. represented by the mean rate of return for
all banks. The null hypothesis was that‘X? computed
would be less than the given value for given degrees of
freedom and at 0.01. 0.02 or 0.05 level of significance.
In other words. if the‘X? computed was higher than that
given value. it could be claimed that there was a statis-
tically significant dispersion in the profitability of
Turkish commercial banks.
52
TABLE 1
Profitability Rates of Commercial Banks in Turkey
10- Year Averages (1961-1970)
B_a_3_k_ Rate (56) Rank Bank Rate (%) Rank
N-Ol 20.5 7 N-l7 -95-7 52
N-O2 - 1.6 29 N-18 12.5 15
N-05 2.6 27 N-l9 14.7 12
N-O4 5.0 25 N-2O 18.5 s
N-05 5.9 24 N-21 2.8 26
N-O6 10.9 16 N-22 21.2 6
N-O7 7.8 11 L-Ol - 4.0 51
N-08 4.8 22 L-O2 8.5 17
N-09 16.1 10 L-O5 17.7 9
N-10 4.6 25 L-O4 11.9 14
N-ll 0.7 28 L-O5 - 2.2 50
N-12 7.8 19 F-Ol 55.7 1
N-15 8.5 18 F-02 40.7 2
N-14 5.1 21 F-O5 29.1 4
N-15 56.9 5 F-04 26.7 5
N-l6 15.2 11 F-O5 11.9 14
( Source: Computed from data in BAT Publications.
N08. 169 21: 239 25: 269 27: 31: 53: 59
and 45.)
+ 9-year average for N-02 and 7-year average for N-l5.
These banks started their Operations in 1962 and 1964
respectively.
Aonofl-flmmav .nooom speasoeeseosm op
wswcnooo< mxsmm Hmaonossoo awakens no wsfixdmm .H mmeHm
A H mHnme “mousom V .éQ:
mm
2.8-
a W
“w n” w nuns «HUN «new W A”.4 Nr.a q.mw W as w n.1w “use s1.e W as.a ,9.
a cmmw u mw nwmm mimm Mw mnmw mwmu mwmw mrmm wins mimw mwmm mwiu mm mwmm mwmm
III:— TO
asks
N 1._| N. ha 6N.a mHNN a
“w Wm . mw T_m_m= s_ to,
m s_.: .1
. Q NF : Q m A grow?
a
s 6
m s 1H
m ,6.
N
-91
_
.a-oa
54
Following modifications were made in order to avoid
distortion in the computation of the chi-square values.
1. Bank N-l7 was excluded from the sample due
to its negative equity.
2. Losses were included as zero profits.
5. Frequencies with values less than five were
added together.
Chi-square values for each of the 10 years. as well as.
for the lO-year average profitability showed significant
dispersion at 0.01 level of significance. Table 2 gives
the‘X? values for the profitability of commercial banks
during the period covered by thestudy. Thus. the first
part of the principal hypothesis stating that commer-
cial banks in Turkey which did business under provisions
of TLB. exhibited wide differences in profitability rates.
was statistically proven to be true.
55
TABLE 2
Chi-square Values for Profitability Rates of
Turkish Commercial Banks (1961-1970)
Year Degree of 2 Year Degree of
Freedom 7C Freedom
lO-Year 20 255.09 1966 19
Aver.
1961 21 275.01 1967 21
1962 17 217.48 1968 17
1965 19 191.64 1969 18
1964 18 197.56 1970 19
1965 20 50.56
315-15
474.41
705.05
955-19
720.55
( Note: All ‘X? values were significant at 0.01 level
of significance)
56
Another interesting point investigated was the relation-
ship between the percentage share of each bank of the
total equity owned by all banks and the percentage share
of each bank of the total profits earned by the same
banks. If there was a significant and positive correla-
tion between these two sets of shares. it could be claim-
ed that the distribution of the total profits among
Turkish commercial banks was "fair" with respect to the
relative sizes of their equity capital. Since "profits"
and "equity" were the numerators and the denominators.
respectively. of the "profitability" rates used earlier
to test the principal hypothesis. this second test could
be used to support the previous finding.
The result of this second test was quite the Opposite of
what would be expected after the first test. A correla-
tion coefficient of 0.98 indicated an almost perfect
positive correlation between the lO-year average prOpor-
tional shares of profits and equity capital. If this
"fair" distribution df profits were to be interpreted as
a proof that the profits of these banks did not show any
significant dispersion relative to their equity. this
finding would be highly contradictory to the results of
the first test. However. a further investigation showed
that the two results were not incompatible. and the dis-
crepancy was actually due to the fact that a small number
of banks which owned relatively big prOportions of the
37
total equity, had "fair" shares of profits. To be more
specific. banks N-Ol. N-20 and N-22 which together held
56.82 per cent of the total equity owned by all the banks
in the group. received 64.02 per cent of the total profits
earned by the same banks. the ratio between the two pro-
portions being 1: 1.15. Since a ratio of 1:1 would indi-
cate a perfectly fair distribution. this sharing of pro-
fits by the three banks could be classified as reasonably
fair. 0n the other hand. quite a number of smaller banks
did not have such fair prOportions of profits. For
example. banks N-15. F-Ol. F-02 and F-05. which together
held 4.72 per cent of the total equity received 11.09 per
cent of the total profits. the ratio being 1:2.55. Again.
banks N-02. N-O4. N-08 and N-14 which together owned 11.05
per cent of the total equity. earned only 1.92 per cent
of the total profits. this time the ratio being 1:0.17.
Table 5 gives a complete list of the lO-year average pro-
portions of total equity and profits held by each bank.
as well as. the percentage ratios of the two sets of pro-
portions. A ratio of 100 per cent indicates a perfectly
fair distribution of profits. whereas. ratios of less or
more than 100 per cent would belong to banks which had less
or more than fair shares of the total profits. respectively.
Since the big banks. although few in number. had very large
shares of both the equity and profits and since they had a
fair distribution of profits. the coefficient of correlation
58
between the two sets of prOportions. due to the weight
given by the size of the big banks. turned out to be
very high. spuriously indicating a nondisparity of
earnings for the whole group. This distortion due
to the weight given by a small number of banks was
avoided when. instead of absolute percentages. ratios
between the two sets of prOportions were used to test
the hypothesis. The chi-square test using these indi-
vidual ratios as the observed frequencies and the arith-
metic mean of all the ratios as the expected frequency.
disclosed a very significant dispersion among the prOpor-
tions of profits shared by commercial banks. relative to
their shares of the total equity.5 This result. which
strongly supported the result of the first test. also
proved the fallacy of using averages for the commercial
banking system in Turkey. without first taking care of
the distorting effect. of the weight given by the few
relatively big banks.
5. )8: 2204.22. Significant at 0.01 level and 25
degrees of freedom.
59
TABLE 5
PrOportional Shares of Each Turkish Commercial Bank
of Total Equity Capital and Total Profits
lO-Year Averages (l96l-l970)+
Share of Share of
Bank Total Total Ratio (%)
Equity (%) Profits (%)
N'O2 5095 0.00 0.00
N-OB 0.51 0.05 16015
N’Oq' l. 22 0.22 18.05
N-05 0.47 0.11 25.40
N-06 0.72 0.46 65.89
N'O? 0.82 0.37 45012
N'O8 2.42 0.68 28010
N-09 0.55 0.51 92.75
N-lO 0.54 0.09 26.47
N-ll 0.87 0.05 5.45
N-12 0.84 0.59 46.45
N-15 2.67 1.50 48.69
N-14 5.46 1.02 29.48
N’ls 1.64 3.55 215.24-
N'l6 5045 4.86 89.17
N-17 0.05 0.00 0.00
N-18 4.46 5.19 71.52
N-19 1.35 1014 85071
N-20 54.99 57.57 106.80
N-2l 0.84 0.14 16.67
N-22 14.42 17.87 125.95
L-Ol 0.08 0.00 0.00
11-02 0.08 0.04 50.00
L‘Oq‘ 0.09 0.07 770 78
L'OB 0.05 0.00 0000
F‘Og 1025 2.97 257060
F-05 0.82 1.40 170.75
”1.05 1 .4’0 0.97 69 . 29
( Source: Computed from data in BAT Publications.
Nos. 16. 21. 25. 25. 26. 27. 51. 55. 59
and 45. )
+ 1962-1970 for N-02 and 1964-1970 for N-l5
40
B. Growth vs-Profits
In order to test secondary hypothesis No. 1. which in turn.
could help to test. in part. the principal hypothesis.
annual rates of change in profits before tax. in equity.
and in net tangible assets were computed for all the
banks covered by theiwudy. Table 4 shows these rates. as
well as. the ranking of the banks in accordance with the
881118.
"Growth" of a bank could either mean "growth in equity
capital" or "growth in net tangible assets". The rank
correlation coefficient (r') between the former and the
growth in profits before tax turned out to be 0.29. not
significant at a level of significance of 0.05.4 On the
other hand. r' equalled to 0.50 between the latter and
the growth in profits before tax. significant at 0.01
level. This might seem contradictory. especially since
r' between the growth in equity capital and growth in net
tangible assets was 0.69. significant at 0.01 level. How-
ever. when the sequence of events leading to profits is
considered. above relationships turn out to be normal.
Equity capital. by itself. does not produce profits. but
it directly affects the amount of savings deposits which
4. Throughout the research t = r'. /9:§—2’ was used for
1-r'
significance test of the coefficients of rank correla-
tion. where n-2. degree of freedom. was 50.
41
a bank may hold (p.14). Savings deposits constitute the
major part of all deposits held by banks under considera-
tion.5 and deposits are the main source of loans exten-
ded by a commercial bank. Bank profits depend heavily
on loans extended. and the latter form a substantial
part of the net tangible assets. Therefore. the rela-
tionship between tangible assets and profits is more
direct than that between equity capital and profits.
Hence. the difference among the correlation coefficients.
Thus. it was found more meaningful to define "growth" as
"growth in net tangible assets" in this study.
Annual rates of change in net tangible assets and in
profits before tax were plotted on Figure 2. horizontal
axis showing the percentage changes in the former. and
vertical axis showing the percentage changes in the
latter.
Majority of the banks bunched within 0 and + 55 per cent
changes in net tangible assets. and between -10 and + 55
per cent changes in profits. the area being represented
by the rectangle ACDF on Figure 2. In order to be free
of possible biases that could be introduced by a few too
low or too high rates of change. only the 25 banks within
the rectangle were assumed to be truly representing the
Turkish commercial banking system. Those banks were N-Ol.
5. 68 per cent in 1970. BAT Publication No. 45.
42
N-05. N-O5. N-06. N-07. N-09. N-lO. N—l2. N-l5. N-14.
N-l6. N-18. N-19. N-20. N-2l. N-22. L-02. L-05. F-Ol.
F-02. F-05. F-04 and F-05. The average annual change
in net tangible assets for the 25 banks was 15.2 per cent.
Therefore. 15.2 per cent was used as the dividing line
between "high" growth and "low" growth banks. rectangle
BCDE representing the former and rectangle ABEF repre-
senting the latter groups.
Fourteen banks labeled as "high" banks were N-Ol. N-05.
N-09. N-10. N-l5. N-14. N-l6. N-l8. N-19. N-20. N-22.
L-O5. F-02 and F-04. Included in the "low" group were
banks N-05. N-06. N-07. N-12. N-2l. L-O2. F-Ol. F-05
and F-O5.
45
TABLE 4
Annual Rates of Change of Turkish Commercial Banks
in Profits before Tax. Equity. and Net Tangible Assets
(l961-l970)+
Profit bef.Tax Equity N.T. Assets
Bank Rate of Bank Rate of Rank Rate of Rank
Change ) Change(%) Change(%)
N-Ol 25.2 8 12.7 6 55.1 5
N-02 511.6 1 6.5 15 22.7 6
N-05 -4.0 26 5.8 16 18.0 15
N-04 167.8 5 5.8 16 15.2 21
N-O5 1.5 24 0.0 50 0.7 51
N-O6 24.8 9 4.5 18 11.0 25
N-07 4.7 22 9.9 12 11.6 22
N-08 -45.4 50 8.5 15 17.1 15
N-lO ’8.2 28 12.0 8 2105 7
N-ll -1 2.5 52 2.9 25 11.4 24
N-12 -9.4 29 0.9 27 2.5 29
N-15 9.1 16 4.5 18 21.5 9
N-l6 15.5 15 10.1 11 20.9 10
N-17 169.8 2 -222.1 52 8.0 27
N-l8 20.5 11 15.8 4 25.2 5
N-19 9.6 15 12.4 7 18.8 11
N-20 21.6 10 16.1 5 18.2 12
N-22 50.9 7 16.2 2 21.5 7
L-Ol -8002 31 ”4.4 51 ”809 52
L-02 "4.0 26 1.7 26 2.1 50
L-O5 6.8 20 2.9 25 15.4 18
L-O4 115.1 4 25.1 1 52.4 4
F-Ol 19.5 12 0.1 29 7.6 28
F-O2 15.2 14 4.0 20 15.6 17
F-05 7.5 18 11.9 9 11.5 25
( Source: Computed from data in BAT Publications.
N08. 169 219 23, 259 26g 27! 51’ 359 59
and 45 )
+ 1962-1970 for N-O2 and 1964-1970 for N-15.
FIGURE 2. Annual Rates of Change in Net
Tangible Assets and Profits of
Turkish Commercial Banks (1961-1970)
45
NT Asazts 7:11
I
1.0
Profits °/o A
...
'10
-20
FIGURE 2 .
46
The secondary hypothesis No. 1 could be accepted if the
"high" growth banks would show equal or less growth in
profits than the banks included in the "low" growth
group. If. on the other hand. "high" banks also had
significantly higher growth in profits. then the hypothe-
sis would be rejected. In order to test this hypothesis.
"Student-t distribution" was used.
The first test of significance was made to see whether
the two groups labeled as "high" and "low" were signi-
ficantly different from each other. that is. constitu-
ted two different populations with unequal means. in
order to ensure that a comparison of the annual rates
of change in their profits would be meaningful. The
"t" value computed was 6.04. significant at 0.01 level
of significance for 21 degrees of freedom.6
Having seen that the universes labeled as "high" and
"low" had significantly different means of annual rates
of change in size (or in net tangible assets). the next
step was to compute the value of "t" for the annual rates
6. i1. 20.0 per cent. i2 = 7.8 per cent. sf = 22.56.
2
82 = 2500’ = 14’ 112 = 9.
nl
47
of change in the profits of the same groups. This time
the "t" value was 1.18. not significant at 0.05 level
of significance.7 In other words. no significant dif-
ference was found between the growth rates of profits
of the banks grouped as "high" growth and "low" growth
banks. Therefore. the secondary hypothesis No. 1
stating. "the reported profits of the more rapidly
growing commercial banks in Turkey have not increased
more than those of commercial banks which have grown
less or not at all." was statistically proven to be
acceptable.
0. Size vs. Cost
The wording of secondary hypothesis No.2 implied a sta-
tical analysis. Nevertheless. both the statical and
dynamical relationships between size and cost of Turkish
commercial banks were investigated. To be consistent.size
was again defined as the size of total net tangible assets.
0n the other hand. cost could be defined either as total
expenses per unit (Turkish Lira) of net tangible assets or
as total expenses per unit of total revenues. Both defi-
nitions of cost were utilized in the analysis. (See Table 5)
2
7. x = 11.16 per cent. x = 5.81 per cent. 31 = 118.44.
1 2
s2 a 116 18 n - 14 n -9
2 ' ' 1 “ ’ 2 "
48
This hypothesis would be accepted if the cost of doing
business was found to be significantly less at the bigger
(high) banks than that at the smaller (low) banks.
Therefore. for the statical analysis. the mean value of
the lO-year average8 net tangible assets for all banks
was used as the dividing line between the "high" and
"low" banks. Thus. six banks (N-Ol. N-16. N-l8. N-20.
N-22 and F-04) whose average net tangible assets were
more than TL 462 million were labeled as "high" and the
remaining 26 banks with average net tangible assets of
less than TL 462 million were grouped as "low". The
computed "t" value of 2.87 indicated a significant dif-
ference between the means of the two groups (or universes)
at 50 degrees of freedom and 0.01 level of significance.9
Student-t distribution was utilized again to investigate
the difference. if any. between the cost of doing business
at the "high" and "low" bank groups. With the first defi-
nition of cost. that is. total expenses per TL of net tan-
gible assets. "t" value was zero. due to identical mean
cost (TL 0.076 expenses per TL 1.00 of net tangible assets)
8. 9-year for N-2 and 7-year for N-15.
9. x1 . TL 0.908. 12 - TL.0.852. sf - 19777.5.
2 .
82 ‘3 15499./o n1 ll 60 n2 8 26.
49
of both universes. With the second definition Of cost.
namely. total expenses per TL of total revenues. "t"
value of 0.097 was not significant at 0.05 level of
significance although the mean cost was higher for the
"high" banks. Therefore. both tests indicated no sig-
nificant difference in cost between the "high" and
"low" banks.
Twenty-three banks were included in the dynamical ana-
lysis. leaving out the nine banks with too high or too
low annual rates of growth in net tangible assets or
costs. to avoid possible biases. (See Figures 5-a and
5-b). The mean rate of change in net tangible assets
for these 25 banks over the period covered was 16.2
per cent. Banks N-02. N-05. N-08. N-09. N-lO. N-l5.
N-l4. N-16. N-l8. N-19. N-20 and N-22 had annual growth
rates in net tangible assets of more than 16.2 per cent
and. therefore. were labeled as "high". The remaining
11 banks. namely. N-04. N-06. N-07. N-l7. N-2l. L-05.
F-Ol. F-02. F-05. F-04 and F-05 . had less than the '
mean rate of growth. and were grouped together as "low"
growth banks. A "t" value of 6.78 indicated a signifi-
cant difference between the means of the two universes at
21 degrees of freedom and 0.01 level of significance.10
10. i1 = 20.0 per cent. x2 = 12.0 per cent. 8% = 6.8.
2
s2 = 9.5. 111 = 12. n2 . ll.
50
TABLE
Size and Cost of Turkish Commercial Banks
(1961 - 1970)+
Net Tangible Cost Cost
Assets Definition 1 Definition 2
Bank Ann. , Ann. Ann. Ann. Ann. Ann.
Aver. Change Aver. Change Aver. Change
TL (%) TL (%) TL (%)
Mil. 1/100 1/100
N'Ol 1M6 5501 702 ' 4.0 9008 0.1
N-02 274 22.7 8.5 0.0 102.1 - 8.2
N'O} 5 18.0 9.2 2.4 8806 5.2
N-04 71 15.2 10.5 - 0.9 96.5 - 1.5
N’Os 4 0.7 406 -1107 5702 ' 5.0
N-06 25 11.0 8.7 2.4 79.5 - 107
“'07 58 11.6 10.8 4.7 90.0 1.3
N“08 150 1701 10.1 0.9 94.7 205
N-09 19 1605 508 1.7 63.7 4.0
N-lO 18 21.5 9.0 0.9 95.6 0.2
N’ll 12 1104‘ 501 '15.“ 90.1 2805
N-12 10 2.3 10.0 5.5 67.7 6.2
N'13 174 21.3 8.9 " 1.5 90.6 0.6
N'lq' 271 1800 9.0 - 307 95.0 004
N-15 259 55.2 5.4 - 7.6 76.4 -15.1
N-16 1062 2009 803 "' 5.5 9306 0.0
N'l? 16 8.0 11.1 "' 4.0 124.6 -1200
N-IB 616 2502 800 ' 3.3 92.6 0.1
N-19 64 1808 706 105 77.4 5.2
N-ZO 5891 1802 706 ' 1.2 90.7 ' 0.4
N’Zl 55 806 9.0 "’ 307 9606 0.2
N‘22 2644 2105 609 " 205 89.2 ' 009
10.01 1 - 809 10.3 5.3 117.0 4.9
L’OZ 1 201 6.1 605 54.9 5.4
L-05 5 15.4 6.4 0.0 56.5 5.7
L-04 2 52.4 7.1 ' 608 6008 ”16.2
L’OS 1 37.6 208 I'25.} 13506 " 506
F’Ol 177 706 5.3 ' 402 70.4 - 4.0
3‘02 155 15.6 5.9 "' 5.8 71.2 - O07
F-O5 155 14.7 5.7 - 7.5 81.8 - 0.5
F-Oq' 1075 15.3 7.5 0.0 87.7 1.6
F-o5 93 1105 7.0 " 3.3 84.5 0.6
( Source: Computed from data in BAT Publications
N08. 16: 21: 239 259 269 27: 319 55’ 59
and 45 )
+ _1962-l970 for N-02 and 1964-1970 for N-15.
FIGURE 5-8.
FIGURE 5-b.
51
Annual Rates of Change in Net Tangible
Assets and Cost (Definition 1) of
Turkish Commercial Banks (1961-1970)
Annual Rates of Change in Net Tangible
Assets and Cost (Definition 2) of
Turkish Commercial Banks (1961-1970)
52
Cost mm A
30 1
20-
10.4
In—-qp—
4.
+ +
L
...
'1
4'
4
++
-10
r'o
C)"
T
E5" *+
+
+
E3
.-
43$
8...
-10 —
+
-,_ -—
FIGURE 5-8.
Cost (2) °/.A
1) ..
+
4*+++
F
.5}
F
.4.
, N.T.Assets % A
50
1 NT. Assets°/.A
I I Yl++
4.
_
B
a
g-
‘20 -10 +0
FIGURE 5-b.
...
+
4+
— qr————ir—t—+'——<5-——
3)
53
Again. both definitions of cost and Student-t distribu-
tion were utilized to investigate the significance of
difference in the annual rates of change in cost of the
two groups. With both definitions. annual mean rate
of decrease in cost of the "high" growth banks was less
than the annual mean rate of decrease in cost of the
"low" growth banks. In other words. "low" growth banks
were decreasing their cost more than the "high" growth
banks. However. "t" values of 0.917 and 1.597 for the
first and second definitions of cost. respectively.
showed this difference to be insignificant at 21 degrees
of freedom and 0.05 level of significance.11
Therefore. secondary hypothesis No. 2 was rejected as the
results of both the statical and dynamical analyses indi-
cated that:
l. The cost of doing business at bigger banks was
neither lower nor higher than that at the smal-
ler ban-ks.
11. For the first definition of cost. ie.. total expen-
ses per TL of net tangible assets:
x1 a -0.7 per cent. 22 - -l.8 per cent. a; . 4.7.
as . 12.0. 111 = 12. n2 . 11. For the second defini-
tion of cost. ie.. total eXpenses per TL of total
revenues: i1 .0.6. x2 . -l.8. sf = 11.5. 82 a 14.8.
3 12' n2 3 11.
n1
54
2. The cost of doing business at "high" growth banks
was not decreasing at a higher or a lower rate
than that at the "low" growth banks. over the
period covered by the study.
D. Number of Branches vs. Profits
The secondary hypothesis No.5 implied that putting new
branches into operation did not increase but decreased
their profits. Therefore. the hypothesis would be accept-
ed if the profits of the banks with more growth in the
number of their branches. decreased more or increased
less than the profits of'Me banks with less or no growth
in their number of branches. Utilizing the same tech-
nique used for the previous tests. 25 banks were select-
ed (See Table 6 and Figure 4) leaving out the banks with
too high or too low annual rates of growth in either of
the two factors. namely. number of branches and profits.
The mean rate of annual growth in the number of branches
for the 25 banks was 4.9 per cent. Therefore. banks with
higher rates of growth than 4.9 per cent were grouped to-
gether as "high" growth banks and the others as "low"
growth banks. Included in the "high" group were banks
N-01. N-05. N-lO. N-l5. N-14. N-16. N-18. N-20. N-22 and
F-O4. "Low" growth banks were N-OS. N-O6. N-O7. N-O9.
N-l2. N-19. N-21. L-O2. L-OB. E-Ol. F-O2. F-O5 and F-OS.
Eight banks in the "low" group had no changes in the
number of their branches during the period covered by
55
TABLE 6
Annual Rates of Change in Number of Branches and
Profits of Turkish Commercial Banks
(1961 - 1970)+
Bank No. of Profits- Bank No. of Profits-
Branches- Annual Branches- Annual
Annual Change Annual Change
Change(%) (fi) Chan8°(%) (%)
N-Ol 18.5 25.2 N-l7 -8.2 169.8
N-O2 8.8 511.6 N-18 15.2 20.5
N-05 10.4 -4.0 N-l9 0.0 9.6
N-04 0.0 167.9 N-20 7.5 21.6
N-O5 0.0 1.5 N-21 2.8 0.6
N—06 1.6 24.8 N-22 10.5 50.9
N-O7 0.9 4.7 L-Ol 0.0 -80.2
N-08 8.5 -45.4 L-02 0.0 -4.0
N-O9 ~4.0 7.8 L-O5 0.0 6.8
N-lO 10.4 -8.2 L-O4 0.0 115.1
N-ll 0.0 -l62.5 L-O5 0.0 51.5
N-12 0.0 -9.4 F-Ol 0.0 19.5
N-l5 11.0 9.1 F-02 0.0 15.2
N-l4 9.4 5.6 F-O5 0.0 7.5
N-l5 16.8 69.0 3-04 8.6 5.0
N-l6 7.1 15.5 F—OS 4.9 7.5
( Source: Computed from data in BAT Publications.
N08. 169 21: 239 259 26: 27o 31: 53! 39
and 45 )
+ 1962-1970 for N-02 and 1964-1970 for N-15.
56
FIGURE 4. Annual Rates of Change in Number of
Branches and Profits of Turkish
Commercial Banks (1961-1970)
310
170
160
120
110
60
SO
1.0
57
PI'OfItS o/oA
ALLA.
'
VV‘V'V'
l A
J
30‘
4
+
+
4
4'
+
FIGURE 4.
ES-
+
+
20
I I
8 8
b
(D
. :3
' ———_‘b*——_———l_—
* +
+
4-
. No.0f Branches °/oA
30
58
the study. A "t" value of 9.27 indicated a significant
difference between the means of two universes at the
level of significance of 0.01 and with 21 degrees of
freedom.12
Student-t distribution was used to test the relationship
between the mean rates of annual growth in the profits
of the two groups of banks. The relationship between
the growth rates in the number of branches and the pro-
fits was not inverse but positive. the mean rate of growth
in the profits of the "high" growth banks being higher
than that of the "low" growth banks. However. a "t" value
of 1.09 for the two means was insignificant at 0.05 level
of significance.13 The result of this test indicated that
there was neither an inverse nor a significantly positive
relationship between the growth in the number of branches
and in the profits of commercial banks in Turkey.
12. il a 10.6 per cent. i2 = 0.5 per cent. sf 3 10.6.
2
82 = 4.09 n1 3 109112 ‘-" 15.
15. i1 = 11.9 per cent. i2 = 6.9 per cent. si a 166.4
85 a 82.5. nl = 10, n2 = 13.
59
The hypothesis was tested again. this time dividing the
banks into two groups according to the annual rates of
change in their profits. and investigating the relation-
ship of the two means of annual rates of change in their
number of branches. The dividing line between the two
groups was 9.1 per cent of annual rate of growth in pro-
fits. Banks N-Ol. N-O6. N-l6. N-18.N-l9. N-20. N-22.
F-Ol and F-02 had higher rates of growth in profits
than the mean for all banks. Banks with lower rates
than 9.1 per cent per annum were N-O5. N-OS. N-O7. N-09.
N-lO. N-12. N-l5. N-l4. N-21. L-O2. L-O5. 3-05. 3-04 and
3-05. "t" value of 4.99 indicated a significant differ-
ence between the means of the two universes at 0.01
level . 14
The relationship between the mean rates of change in the
number of branches and in profits for both of the groups
was again positive but insignificant at 0.05 level. with
a "t" value of 1.02.15
14. i1 . 20.0 per cent. i2 = 2.0 per cent. sf - 122.9.
a; a 58.1. n1 - 9. n2 = 14.
15. i1 - 6.4 per cent. 22 = 5.9 per cent. a; - 45.8.
32 - 25.9. n . 9. n . 14.
2 1 2
60
Both tests showed that there was no inverse relationship -
nor a significantly positive one - between the growth in
the number of branches and the growth in the profits of
Turkish commercial banks. A rank correlation co-efficient
of 0.01. insignificant at 0.05 level. between the two fac-
tors and for all the 52 banks supported the results of
the two tests. thus providing enough evidence to reject
the secondary hypothesis No. 5.
E. Profitability vs. Performance Factors
After having proven that there were significant differen-
ces in the profitability rates of Turkish commercial
banks (Chapter II. Part I. Section A). possible relation-
ships between profitability and each of the performance
factors which could have affected profitability. were in-
vestigated to complete the testing of the principal hypo-
thesis. Table 7 gives a complete list of the 29 performance
factors used for this purpose. Analysis made was dynamic
in nature. meaning that annual rates of change in profit-
ability. as well as. in other performance factors were
utilized. The technique of the analysis was similar to
the one used for testing the secondary hypotheses. Twenty-
four commercial banks were selected. leaving the banks
with too high or too low annual rates of change out of the
analysis. Then. these banks were divided into two groups
according to their annual rates of change in profitability.
Thirteen banks with growth rates higher than the mean rate
for all the banks selected were labeled as "high" group
61
and 11 banks with rates of change lower than the mean
were included in the "low" group. Student-t distribu-
tion was utilized to test the difference between the
mean rates of change of the two groups for all the
29 performance factors. "t" values significant at
0.05. 0.02 or 0.01 levels pointed out the performance
factors which differed significantly between the two
groups. indicating the factors which caused directly
or indirectly the difference among the profitability
rates of commercial banks. The findings were further
tested by rank correlation analysis.
The mean rate of annual change in profitability for all
the banks was 5.4 per cent and this rate was used as
the dividing line between the "high" and "low" groups.
Banks with relatively high growth in profitability were
N-Ol. N-O4. N-06. N-O9. N-15. N-16. N-18. N-20. N-22.
L-O5. F-Ol. F-02 and F-O5. Included in the "low" group
were banks N-O5. N-OS. N-O7. N-lO. N-l2. N-l4. N-19.
N-21. L-O2. 3-04. and F-O5.
A "t" value of 5.172 indicated a significant difference
between the mean rates of the two universes at 0.01 level
and for 22 degrees of freedom.16 Table 7 gives the "t"
values as well as the means and variances of the two
groups for all the 29 performance factors.
16. i - 11.2 per cent. i2 - -6.4 per cent. 8% - 95.9.
82 . 5605’ nl . 13’ D2 = 110
62
Of all the 29 performance factors. only seven differed
significantly between the two groups. These factors
were:
1. Total Net Tangible Assets.
2. Total Commercial Deposits.
5. Average Commercial Deposits per Commercial
Account.
4. Total Loans Extended.
5. Interest and Commissions Received on Loans
Extended.
6. Average Deposits. plus. Loans Extended per
Employee.
7. Ratio of Loans Extended to Equity Capital.
Rank correlation coefficients between the annual rate of
change in profitability and in each of the seven factors
were 0.48. 0.46. 0.56.0.48. 0.59. 0.62 and 0.66. respec-
tively. all significant at 0.01. 0.02 or 0.05 levels of
significance.
Grouping together the similar items among the seven fac-
tors it was clearly seen that three principal factors.
loans extended by commercial banks. commercial deposits
held by them and their personnel expenses were the main
ones which caused the differences in the profitability
of Turkish commercial banks.
A similar test was made with 25 banks to investigate the
relationship between the loans extended and each of the
65
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67
between the growth in promotional prizes and in savings
deposits was 0.48. significant at 0.01 level.
All the tests made throughout the research disclosed sta-
tistically significant differences in some of the perfor-
mance factors among commercial banks in Turkey. indicating
certain relationships between the profitabilities and
financial performances of the same. Thus. the principal
hypothesis was accepted as true.
68
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