Bank Supervision As A Tool For Banking Industry Safety And Stability

AHAM  NZENWATA
ABSTRACT
This paper investigated the use of bank supervision as a tool for attaining banking industry safety and stability. The paper shows that bank supervision can be either onsite or offsite. In addition to the above, bank supervision can be approached on the bases of transaction, consolidated or risk based approach although recent literature indicate that risk based supervision is the most prevalent following the recommendations for the adoption this method for effective supervision. Furthermore, the paper indicates that bank supervision in Nigeria is the joint responsibility of the NDIC and the CBN in accordance with established standards of The Basel Accord for bank supervision. Thus, the CBN in collaboration focus on core banking operations during supervisions. These core banking operations include the following: capital requirement, loan concentration, liquidity ratio, provisioning, internal control and management among others. The supervisory authorities compare the performance of deposit money banks to already determined standards and templates. Where they fall short, corrective measures are set in motion. finally, the paper shows that bank supervision by the CBN as much as possible strives to comply with the supervisory guidelines and standards.


1        INTRODUCTION
Bank supervision involves monitoring the financial performance and operations of banks in order to ensure that they are operating safely and soundly and following rules and regulations. Bank supervision also involve the monitoring/enforcement of the written rules that define acceptable behavior and conduct for financial institutions.
In recognition of the fact that a well functioning economy requires a stable banking system, banking supervision is entrusted with the responsibility of ensuring that the desired conditions are achieved in the sector through monitoring the sector's activities and maintaining investor confidence. Weakness of the regulation and supervision of the financial system is viewed as a major factor, contributing to and the emergence of bank failures and financial crisis (Noy, 2004).
Demirgüç-Kunt and Detradiache (1998) argue that if financial liberalization is accompanied with weak prudential supervision of the banking sector, then it will result in excessive risk taking by financial intermediaries and a subsequent crisis. Thus, banking supervision is an essential aspect of modern financial systems, seeking crucially to monitor risk-taking by banks so as to protect depositors, the government safety net and the economy as a whole against systemic bank failure and its consequences.
Banking supervision has been generally set the tasks of helping to prevent the occurrence of systemic risk to the banking sector, as well as to increase the transparency and effectiveness of the banking sector and contribute to the protection of small depositors (Davis, & Obasi, 2009).
In recognition of the importance of bank supervision in a country's financial system and the economy in general, this paper is aimed at investigating the use of bank supervision as a tool for ensuring banking industry safety and stability.
2        CONCEPTUAL FRAMEWORK    
Banking supervision has been generally set the tasks of helping to prevent the occurrence of systemic risk to the banking sector, as well as to increase the transparency and effectiveness of the banking sector and contribute to the protection of small depositors.
Essentially, there are two types of bank supervision.  These are On-site bank supervision and off-site bank supervision. While in On-site bank supervision, the supervisory agencies visit the banks to examine the concerned bank's records and facilities. In Off-site supervision, the concerned banks are expected to submit their records to the offices of supervisory agencies for analyses.
In most cases, there is an overlap between onsite and offsite supervision. For example, onsite supervision may require that the supervisory agencies take certain records belonging to the banks to their offices for further analyses. On the other hand the supervisory agencies may find it expedient to take a trip to the bank to confirm the contents of sum of the records that have been submitted by the bank whose records is being examined.
Whether onsite or offsite, bank supervision is likely to take the form of any of the following approaches:
·       Transaction Based Supervision Approach
·       Consolidated supervision Approach
·       Risk Based Supervision Approach

2.1     Transaction Based Supervision Approach
The transaction based supervisory approach focuses on individual entities for examination. Individual entities are supervised on a solo basis according to the capital requirements of their respective regulators. The Transaction’s Based Type of Supervision of individual entities is complemented by a general qualitative assessment of the group as a whole and, usually, by a quantitative group-wide assessment of the adequacy of capital.

2.2     Consolidated supervision Approach
Consolidated supervision Approach involves the process where the supervisor can satisfy himself about the health of the entire group’s activities which may include bank and non bank companies, financial affiliates as well as branches and subsidiary companies. Consolidated supervision has the following objectives:
·       To support the principle that no banking activity, and the associated risk no matter where located, escapes supervision.
·       To prevent over-leveraging of capital- double counting
·       To evaluate the strength of a group to which a licensed bank belongs, in order to assess the potential impact of other members of the group on the licensed bank.
·       To consolidate the financial returns i.e. consolidation of accounts of the licensed entity using quantitative approach, while ensuring that the qualitative approach evaluates the material risks on the financial position of the licensed bank.
Consolidated supervision will entail the following:
·       Adequate knowledge of the structure of a group and the risks there in;
·       Adequacy or otherwise of capital measured on a group basis;
·       Measurement of larger exposures on a group basis.

2.3     Risk Based Supervision Approach
According to the NDIC, the dynamism of the global economic environment requires more robust tools and skills to mitigate risks arising from the rapid development of the financial sector. In response to the changing financial landscape, advancement in, and widespread use of information/communications technology, a more effective approach is required.
Although effective risk management has always been central to safe and sound banking activities, it has assumed added importance for two main reasons. Firstly, new technologies, product innovation, size and speed of financial transactions have changed the nature of banking. Secondly, there is need to comply fully with the Basel Core Principles on Supervision and to prepare an enabling environment for the implementation of the New Capital Accord.
Risk Based Supervision assesses the efficacy of a bank’s ability to identify, measure, monitor and control risks. It designs a customized supervisory programme for each bank and focuses more attention on banks that are considered to have potentially high systemic impact. By the very nature of banking business, banks are inextricably involved in risk-taking.
The major risks banks face in the course of business include, but not limited to, credit, market, liquidity, operational, legal and reputational risks. In practice, a bank’s business activities present various combinations of these risks, depending on the nature and scope of the particular activity. To the financial sector regulatory and supervisory authorities, what constitute risks are those factors that pose threat or portend danger to the achievement of statutory objectives.

3        THEORETICAL FRAMEWORK
Theories proposed to explain bank supervision can be broadly divided into two based on whose interest is paramount in the process of supervision. These are the public interest view and private interest view (Barth et al, 2004).
On the public interest view, the government provides supervision that tries to capture completely all aspects of banking business/activities from start to finish. The purpose of this view is twofold: (a) to prevent or mitigate the fallout of market failures (b) to discipline erring banks and bankers. Basically, the public interest view is proposed to protect the interest of the generality of the populace who use bank services.
On the other hand, in the private interest view, the government and its agencies only provide light supervision and the banks are on the whole allowed to operate without much hindrance to their activities. The banks are also allowed to operate in a range of markets and activities that may not necessarily be core bank activities.  In the private interest view, bank can become so powerful and pervasive that they can capture and make the supervisory agencies to act in their interests.
Other theories are closely related to those discussed above. for example, the political/regulatory capture view is closely related to the public interest view but holds the opinion that politicians may be the ones to "capture" the supervisory agencies and induce them to act in a manner that is in their individual interest like channeling bank credits to politically motivated activities or to firms where the politicians have pecuniary interests Hamilton, et al (1988)
The private empowerment view as proposed by Grossman and Hart (1980) is closely related to the private interest view. This theory proposes that the powers of supervisory agencies be restricted but at the same empower supervisors sufficiently to force banks to make adequate disclosures that can be used to monitor their activities by private agents.
Finally, the independent supervision view put forward by Beck et al (2013) attempts to overcome the problems of poor credit allocation and supervisor capture which are inherent in the public/political interest view and private interest/private empowerment views by proposing the establishment of an officially sanctioned bank supervision agency that is independent of government interference.

4.       SUPERVISORY ACTIVITIES OF CBN AND NDIC
The CBN/NDIC during bank supervision and examination focus on the main aspects of banking operations. These include capital requirement, loan concentration, liquidity ratio, provisioning, internal control and management among others. The supervisory authorities compare the performance of deposit money banks to already determined standards and templates. Where they fall short, corrective measures are set in motion.

Capital Requirements
Adequate capital is very important for any business, and banking is not an exception. The importance of adequate capital in banking stems from the following functions being performed by capital, viz: capital provides a cushion for absorbing operational losses; it provides a measure of shareholders’ confidence and stake in the bank; it reveals the bank’s ability to finance its capital expenditure and fixed assets; and it provides protection to depositors’ funds, among others. It is therefore necessary to have enough capital so that depositors’ risks could be minimized. Government, on the advice of the monetary authorities, prescribes the minimum paid-up capital for banks. (NDIC, 2015).
Using banks’ total risk-weighted assets ratio for example, the supervisory authorities classify banks as adequately capitalized, marginally under-capitalized, significantly under-capitalized, critically under-capitalized or technically insolvent, depending on the value of their risk-weighted asset ratios. While a bank with risk-weighted asset ratio of 10 percent and above is classified as adequately capitalized, a bank with a negative risk-weighted assets ratio is classified as technically insolvent. This classification is an attempt at establishing bench-marks for prompt supervisory intervention.

Loan Concentration
Considering the fact that it is risky for a bank to concentrate its lending operations in a single sector or borrower, the regulatory authorities usually direct banks to diversify their lending activities. Also, banks are required to report large borrowings to the CBN in the statutory returns.

Liquidity Ratio
Banks are required to maintain a minimum liquidity requirement by ensuring that the level of cash flows is matched by expected receipts so that they can meet their obligations as they fall due. Liquidity is achieved through effective fund management. Given the critical role of liquidity in banks’ operations, it is essential for banks to provide for both the expected as well as the unexpected fluctuations in their businesses as reflected in their balance sheets and to provide funds for growth.

Provisioning
There is the need for banks to make provisions for non-performing credit facilities. The provisioning should be adequate so as not to mislead the depositors and the general public on the true state of affairs of the bank. These provisions are made on the basis of perceived risk of default on specific credit facilities. The provisioning is also applicable to performing loans because these loans also carry some elements of risk loss, no matter how small. The issues relating to provision for performing loans is extensively treated under prudential guidelines for deposit money banks.

Internal Control
Good internal control is very essential in order to minimize fraud and other malpractices which can lead to loss of assets. It also helps in ensuring compliance with laid down rules and regulations on banking business by the operators. These reasons explain why bank examiners focus on the internal control systems of banks.

Management
The CBN is responsible for approving the board and changes in the boards of banks in the country. Parameters such as competence, experience and integrity of the person(s) or group of persons involved are considered to ensure that only qualified and responsible people are put on the boards of banks in order to safeguard depositors’ fund and enhance public confidence in the banking system. Good management in banks is a must as the quality of management has been found to be the primary determinant of success or failure of a bank the world over.

5        SUPERVISORY GUIDELINES & STANDARDS
Supervisory Standards and Guidelines are set by supervisors with a view to ensuring effective supervision. Similarly, the committee of banking supervisory authorities develops supervisory standards and guidelines with the hope that member countries will adapt them with a view to encouraging convergence towards common approaches and standards

The Basel Accord’s Core Principles for Effective Bank Supervision
This supervisory approach focuses on individual/group entities. Individual entities are supervised on a solo basis according to the capital requirements of their respective regulators. The Transaction’s Based Type of Supervision of individual entities is complemented by a general qualitative assessment of the group as a whole and, usually, by a quantitative group-wide assessment of the adequacy of capital.
The Basel committee on Banking Supervision, with the endorsement of the Central bank Governors of the Group of ten countries in collaboration with Supervisory authorities in fifteen emerging market countries developed a set of twenty-five basic principles for supervisory system to be effective. The principles are comprehensive and represent the basic elements of an effective supervisory system. The 25 principles are enumerated below:
(1) Objectives, Independence, Powers, Transparency and Cooperation;       (2) Permissible Activities;
(3) Licensing Criteria;
(4) Transfer of Significant Ownership;
(5) Major Acquisitions;
(6) Capital Adequacy;
(7) Risk Management Process;
(8) Credit Risk; (9) Problem Assets, Provisions and Reserves;
(10) Large Exposure Limits;
(11) Exposures to Related Parties;
(12) Country and Transfer Risks;
(13) Market Risks;
(14) Liquidity Risks;
(15) Operational Risks;
(16)  Interest Rate Risk in the Banking Book;        
(17) Internal Control and Audit;
(18) Abuse of Financial Services;             
(19) Supervisory Approach;
(20) Supervisory Techniques;
(21) Supervisory Reporting;
(22) Accounting and Disclosure;
(23) Corrective and Remedial Powers of Supervisors;
(24) Consolidated Supervision;
(25) Home-Host Relationships (NDIC, 2014)

Prudential Guidelines
To facilitate off-site supervision, a set of prudential guidelines is introduced by the CBN for licensed banks to ensure a stable, safe and sound banking system. It is meant to serve as a guide to banks to:
      i.          Ensure a more prudent approach in their credit portfolio classification, provisioning for non-performing facilities, credit portfolio disclosure and interest accrual on non-performing assets;
    ii.          Ensure uniformity of their approach
  iii.          Ensure the reliability of published accounting information and operating results.
The ultimate justification for prudential guidelines is the failure of the market, not only to reflect a depositor’s risk exposure but more importantly, to control such exposures. The objectives of prudential regulations are therefore to protect the interest of depositors and the financial system as a whole.

Statements for Accounting Standards
Many banks have adopted inconsistent accounting policies and reporting practices which make the assessment and comparison of their performances very difficult. Some banks have allegedly overstated reported profits, while some banks continue to accrue interest on non-performing credits, declare unearned profit and thereafter appropriate such profits as provisions for bad and doubtful debts.
It is the belief of the monetary authorities that there is need to sustain public confidence in the financial statement of banks. The new uniform accounting standards therefore seek to provide a guide for accounting policies and accounting methods that should be followed by banks in the preparation of their financial statements.

Other Regulatory Directives
Other regulatory directives to the banks included the following:
      i.          Code of Corporate Governance for banks: to ensure ethical practices by banks post consolidation, the CBN issued code of Corporate Governance guidelines for banks. This is with a view to encouraging transparency and accountability of management of banking institutions and the curtailment of risk appetite of banks.
    ii.          Circular on the Development of Risk Management Systems in Nigerian Banks.
  iii.          Framework for Risk-Based Supervision of Banks in Nigeria;
  iv.          Circular on Unethical and Unprofessional Practice of De-marketing Colleagues/Other Banks in the Industry by spreading Rumours among others.

6        CONCLUSION
This paper investigated the use of bank supervision as a tool for attaining banking industry safety and stability. The paper shows that bank supervision can be either onsite or offsite. In addition to the above, bank supervision can be approached on the bases of transaction, consolidated or risk based approach although recent literature indicate that risk based supervision is the most prevalent following the recommendations for the adoption this method for effective supervision.
Furthermore, the paper indicates that bank supervision in Nigeria is the joint responsibility of the NDIC and the CBN in accordance with established standards of The Basel Accord for bank supervision. Thus, the CBN in collaboration focus on core banking operations during supervisions. These core banking operations include the following: capital requirement, loan concentration, liquidity ratio, provisioning, internal control and management among others.
The supervisory authorities compare the performance of deposit money banks to already determined standards and templates. Where they fall short, corrective measures are set in motion. finally, the paper shows that bank supervision by the CBN as much as possible strives to comply with the supervisory guidelines and standards.

REFERENCES
Barth, J., Caprio, G. & Levine, R. (2004): Bank Regulation and Supervision: What works best?, Journal of Financial Intermediation, 13(2)
Beck. T., Demirguc-Kunt. A. & Levine, R (2003): Bank Supervision and Corporate Finance. World Bank Policy Research Working Paper 3042, May 2003.
Bank for Int'l Settlement (2012): Core Principles for Effective Banking Supervision (PDF) www.bis.org/publ/bcbs230.pdf
Davis, P. E., & Obasi, U (2009) The Effectiveness Of Banking Supervision, Brunel University and NIESR, London
Demirgüç-Kunt A. and Detragiache E. (1998). Financial Liberalization and Financial Fragility. The World Bank Policy Research Working Paper, No: 1917, The World Bank
Grossman, R. S. &  Hart, O. (1980):  Disclosure Laws and Takeover Bids”, Journal of Finance 35.
Hamilton, J. & Whiteman, C. (1988): The Observable Implications of Self-Fulfilling Expectations, Journal of Monetary Economics 16
NDIC (2014): Bank Supervision, http://ndic.gov.ng/supervision/
Noy I. (2004). Financial Liberalization, Prudential Supervision and the Onset of Banking Crises. Emerging Markets Review, No:5, pp. 341-359.

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