MSC Project Topics in Accounting and Finance
CHAPTER ONE
INTRODUCTION
1.1 Background to the
Study
Capital
Adequacy Ratio (CAR) is one of the fundamental measures of the strength and
wellness of banks the world over. The term is an important measure of ―safety
and soundness‖ for banks and depository institutions because it serves as a
buffer or cushion for absorbing losses (Abba, Peter, & Inyang, 2013).
Capital Adequacy is the first letter ‗C‘, in the popular acronym ‗CAMELS‘ in
banking parlance. The importance of the concept has drawn the attention of
financial experts and policy makers both locally and internationally,
especially Central Banks, Federal Reserves, Deposit money banks, Insurance
Companies and the World Bank and has led to the popular Basel Accords. The
Basel Capital Accord is an international standard for the calculation of
capital adequacy ratios. The Accord recommends minimum capital adequacy ratios
that banks should meet. Applying minimum capital adequacy ratios serves to
promote the stability and efficiency of the financial system by reducing the
likelihood of banks becoming insolvent. When a bank becomes insolvent, this may
lead to loss of confidence in the financial system, causing financial problems
for other banks and perhaps threatening the smooth functioning of financial
markets.
Lindgren,
Garcia and Saal (1996) observed that since 1980, over 130 countries, comprising
almost three fourths of the International Monetary Fund‘s member countries,
have experienced significant banking sector problems, with 41 instances of
crisis in 36 countries and 108 instances of significant problems. This
situation posed serious concern for the policy makers and regulators. In the
aftermath of the financial crisis, there have been efforts by regulatory
authorities to make banks stronger. To accomplish this, governments across the
developed and developing worlds are compelling banks to raise fresh capital and
strengthen their balance sheets, and if banks cannot raise more capital, they
are told to shrink the amount of risk assets (loans) on their books. In the
case of Nigeria, the Central Bank of Nigeria, being the apex regulator of the banking
industry increased the minimum capital base for commercial banks to twenty-five
billion naira in 2005. This policy popularly referred to as the
recapitalization or consolidation policy resulted in the reduction of Nigeria
motley group of mainly anaemic eighty-nine banks to twenty-five bigger,
stronger and more resilient financial institutions (Williams, 2011).
The
global response of the fragility and incessant crisis that characterised the
banking world is the Basel Accords. The Basel Committee on Banking Supervision
handed down the first Basel Accord in 1988 which is the popularly referred to
as Basel I. This marked a significant milestone in the governance of the global
financial system as it focused on defining regulatory capital, measuring risk-weighted
assets, and setting minimum acceptable levels for regulatory capital (Blom,
2009). Basel I incorporated a risk-weighted approach and a two-tier capital
structure. The latter means that there was base primary capital (stocks,
retained earnings, general reserves, and some other items) and a second tier of
limited primary capital including some types of subordinated debt. The second
tier capital could not exceed half of total base capital in counting towards
the capital adequacy ratio (Blom, 2009). So far there have been Basel I, Basel
II and Basel III. Basel I and Basel II fixes minimum capital adequacy ratio at
8% while in 2010, the world‘s central bankers, represented collectively by the
Bank of International Settlements (BIS) handed down Basel III hiked capital
adequacy ratio requirement from 8% to at least 10.5% of a bank‘s risk-weighted
assets (Hanke, 2013). The aftermath of the international banking crisis and
negative trends in the currency and banking markets attracted the attention
scholars who investigated the immediate and remote causes of the crisis and the
impact of capital adequacy ratio in the survival of banks. Some of these
scholars include: Davidoff, Steven and Zaring (2008); Coffee (2009); Chorafas
(2009); Brewer, George and Larry (2008); Bordo (2008); Bieri (2008); Bayne
(2008); Atik (2011); Williams (2011); Al-Sabbagh (2004); Al-Tamimi and Obeidat
(2013); Wong (2005) and Abba, Peter, and Inyang (2013). These various scholars
raised a host of questions bothering on the linkages between capital adequacy
ratio and financial sector deregulation as well as various micro and macro
prudential issues such as risk level and risk behaviour of banks, asset
quality, profitability, deposit level and macro-economic indicators including
inflation rate, size and growth rate of the economy, money supply, lending
rate, minimum wage and banking sector regulation. The scholars further studied
the impact of these micro-prudential and macro-prudential indices on capital
adequacy ratio.
In
a bid to building the financial muscles of the Nigerian Banks and safeguard
capital from erosion through rising risk level, the Nigerian Apex Bank
increased banks‘ capital base and joined the league of Basel compliant Central
Banks by adopting the Basel Capital Accord and it currently operates Basel II.
Since the advent of bank consolidation, the capital base of Nigerian banks has
steadily risen through merger, takeover and public offers, among others. The
regulatory Capital Adequacy Ratio (CAR) has also risen over time. In a bid to
understanding the behaviour of CAR in respond to changes in various economic
indicators, Williams (2013) carried out a study on the determinant of Capital
Adequacy Ratio (CAR) in Nigerian deposit money banks with focus on
macro-economic variables such as inflation rate, economic growth, money supply,
interest rate, openness of the economy, exchange rate and total investment.
Significant level of relationship was observed between CAR and the variables of
the study.
Since
macro-economic variables are purely external factors to deposit money banks,
this study focuses on behaviours of variables that are considered internal to
the operations of the banks. Based on studies conducted in other developing
economies, landmark policies of the apex bank, the Prudential Guidelines of
2010, the Basel capital adequacy ratio computation model as well as the
peculiarity of the Nigerian banking industry, certain variables have been
selected and included in this study. These variables include level of deposits
with banks, profitability, asset quality of banks and loans to deposits ratio.
Al-Sabbagh
(2004) identified nine different variables which according to him were major
determinants of capital adequacy ratio in Jordan. These variables include:
total assets of banks, risk to assets ratio, loan to assets ratio, return on
equity ratio, returns on assets, deposits to assets ratio, equity ratio,
dividends payout ratio and loan provision ratio. Al-Tamimi and Obeidat (2013)
also carried out a similar study in Jordan on the determinants of capital
adequacy ratio using seven independent variables which were as follows:
interest rate risks, liquidity risks, credit risks, capital risk, revenue
power, return on equity and return on assets. They observed significant
relationships between the various variables and capital adequacy ratio. Wong
(2005) also studied the determinants of capital adequacy in Hong Kong and
identified the following as the major determinants of capital level of banks in
Hong Kong: risk level of banks, bank size, business growth, cost of capital,
regulatory framework, peer pressure, returns on equity and market discipline
In
Nigeria, although not much research have been carried out on micro-prudential
indices or bank-specific determinants of capital adequacy ratio, the increasing
trend of non-performing loans in the banking sector attracted the intervention
of the apex bank with several banks affected by the policy response of the
bank. Since increase in non-performing loans affects the operations of banks in
terms of lower profitability, an empirical study of the effect of the rising
trend on the overall financial capacity and capability of banks is necessary.
Also, as regards the effect of profitability on CAR, most of the relevant
literature reviewed including Al-Sabbagh (2004), Al-Tamimi and Obeidat (2013)
and Wong (2005) established the fact that profitability is a determinant of
capital adequacy ratio. The three Basel accords also recognized the role of
profit in determining the level of capital in a bank‘s balance sheet and as
such, include retained earnings and various other statutory and discretionary
reserves in the capital adequacy ratio computation model. This justifies the
inclusion of asset quality ratio and profitability in the independent variables
of the study. Furthermore, the Basel accord emphasizes risk measurement and
management in banking operations and marked the beginning of the risk-base
capital maintenance era. As such, all researchers on bank-specific determinants
of capital adequacy ratio include banking risk among the determinants of
capital adequacy ratio. Al-Tamimi and Obeidat (2013) and Abba, Peter, and
Inyang (2013) focused their study primarily on the impact of risk level on
capital adequacy ratio and observed significant relationship between the
variables. The Basel Accord also has among many of its objectives, protection
of depositors fund against bank failure and to this end, it is expected that
banks should secure deposits with commensurate capital adequacy ratio level. To
measure the reaction of banks capital adequacy ratio to changing deposit level
of deposit money banks, deposit to asset ratio has been introduced in the model
of this study. Al-Sabbagh (2004), Al-Tamimi and Obeidat (2013) and Abba, Peter,
and Inyang (2013) also measured the effect of changing deposits levels on
capital adequacy ratio of banks.
Thus
in the wake of rising level of non-performing loans, expansion of banking
operations and the attendant rise in their risk portfolio with the adoption of
Basel II and preparations for the adoption of Basel III by the Nigerian banking
industry, there is a great need for an empirical study on the major
determinants of capital adequacy ratio, especially from the perspective of
micro-prudential factors of deposit money banks in Nigeria.
1.2
Statement of the Problem
It
has been widely observed that throughout the seventies, the capital ratios of
many banks throughout the world declined significantly. In an attempt to
reverse this decline, the bank regulators in several countries issued explicit
capital standards for banks (and bank holding companies, as in the United
States in December 1981). These standards required banks to hold a fixed
percentage of their total assets as capital. Although these minimum regulatory
standards have been given credit for increasing bank capital levels, the
eighties also witnessed a number of bank failures (Nachane, Narain, Ghosh &
Sahoo, 2000). Several authors, including Lindgren et.al. (1996) have
observed that, since 1980, over 130 countries, comprising almost three fourths
of IMF‘s member countries have experienced significant banking problems. Recent
researches by Alfriend (1988) have also confirmed the fact that a weakness of
the minimum capital standards was that they failed to acknowledge the
heterogeneity of bank assets and, as a result, banks had an incentive to shift
their portfolios from low-risk to high-risk assets.
In
response to the widespread criticism about declining capital standards of banks
and the consequent bank failures, in 1989, the Basle Committee on Banking
Supervision (BCBS) announced the adoption of risk-based capital standards. The
primary purpose of these standards was to make bank capital requirements
responsive to the risk in the asset portfolio of banks. Although capital ratios
at commercial banks have increased since the risk-based standards have been
introduced, the question arose as to what degree of these increases were a
response, specifically to risk-based capital maintenance, other bank specific
ratios such as deposit asset ratio, asset quality ratio, loans to deposits
ratio as well as financial performances of banks such as profitability.
Furthermore, although the adoption of risk-based standards has focused
attention on capital levels and bank lending, insufficient attention has been
devoted to the related issue of how the adoption of the risk-based standards
may have impacted bank-portfolio risk levels. In general, at least some theoretical
and empirical research have raised the possibility that increasing regulatory
capital standards might have caused banks to increase, rather than decrease,
portfolio risk. Furthermore, greater amounts of capital, per se, are no
guarantee that banks are adequately capitalised. Rather, from a public policy
perspective, what is important is the amount of capital a bank holds relative
to the level of risk in its portfolio.
Therefore
this study employed multiple regression model to determine the extent to which
changes in capital adequacy ratio in the risk-based capital regime are
primarily determine by key bank-specific ratios as contained in the Basel
accord model for capital adequacy computation as well as the Prudential
Guideline of the Central Bank of Nigeria. Thus, the study used OLS, fixed and
random effect models to determine whether there is significant linear
relationship between capital adequacy ratio and risk indicators and other
variables in the Nigerian banking industry; and if there is, whether the degree
of linearity is such that capital adequacy could be largely a matter of operational
effectiveness and movements of key banking sector indicators, as opposed to the
current flex of legal muscles by the regulatory authorities (Williams, 2013).
Furthermore,
the study is necessary in that there have not been sufficient researches on
bank-specific determinants of capital adequacy ratio since the wake of the
banking sector consolidation in 2005 and the adoption of Basel II and III in
Nigeria. Thus, this study is an attempt to fill the identified gaps and thus
contribute to literature on the subject matter in Nigeria.
MSC Project Topics in Accounting and Finance
MSC Project Topics in Accounting and Finance
IMPACT OF MICRO-PRUDENTIAL INDICES ON CAPITAL ADEQUACY RATIO OF DEPOSIT MONEY BANKS IN NIGERIA
Department: Accounting and Finance (M.Sc)
Format: MS Word
Chapters: 1 - 5, Preliminary Pages, Abstract, References, Appendix.
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Delivery: Email
No. of Pages: 150
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