Bank Capital and Risk Taking: A Loan Level Analysis
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Does high leverage incentivize banks to systematically originate and hold riskier loans? I construct a novel data set consisting of 3 million small business and home mortgage loans, matched to the specific banks that originated them and verified to be held on bank portfolios, rather than sold. I measure the capital ratio (the inverse of the leverage ratio, defined as equity divided by asset value) for each bank at the time of each loan’s origination. After controlling for both bank and time fixed effects, a one point increase in Tier 1 capital ratios (e.g. from 12% to 13%) is associated with a 4.9% decrease in the default risk of mortgage loans held on portfolio (from a mean foreclosure rate of 4.3% to 4.1% for loans originated between 2003 and 2012). When considering the average capital of banks in US counties between 2003 and 2006, a one point increase in Tier 1 capital ratios is associated with a 4.4% reduction in foreclosures between 2007 and 2012. These results are robust to an instrumental variables strategy for predicting bank capital, a wide range of measures of bank capital, different types of banks, types of loans, and time periods.Keywords:
Capital (architecture)
Basel III
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The purpose of this study is to examine how the Indian banks have adjusted their risk-based capital ratios during 2009-2018 to meet the regulatory requirements. Banks can, in principle, increase their risk-based regulatory capital ratio, either by increasing their levels of regulatory capital or by shrinking their risk-weighted assets by adjusting asset growth or risk in the portfolio. We investigate banks' capital behavior by decomposing the change in the capital ratio into the contribution of its components and analyzing their variance across regulatory regimes and banks' ownerships. We further investigate how each component of the capital ratio is adjusted by the banks by breaking down them into balance sheet items. We find that the banks' capital behavior significantly differed between public and private sector banks and between the two regulatory regimes. During Basel II, banks, in general, followed a strategy of aggressive asset growth with increased risk-taking. The decline in the CRAR because of such an expansionary strategy was adjusted by augmenting additional capital. However, during Basel III, due to higher capital requirements, both in terms of quantity and quality, banks followed a strategy of cutting back their asset growth and reducing the risk in their portfolio to maintain their CRAR.
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This chapter aims to provide a concise overview of the capital adequacy regulation, importance of the regulation, and evolution of the capital adequacy regulation. Bank capital executes the significant role of preventing the bank from failure and acts as a buffer against possible losses. Capital adequacy is the least amount of capital a bank has to preserve to execute the business, take advantage of profitable growth opportunities, absorb losses, and sustain the customers’ confidence on it. Several bank crises and bank defaults motivate the Basel Committee on Banking Supervision to provide a comprehensive guideline in managing bank capital. The capital adequacy regulation is an international standard to safeguard the banks through setting a risk-sensitive minimum capital requirement. The regulatory authority sets the regulatory capital, and the operating banks are required to maintain the adequate level of capital.
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Capitalization
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This paper provides an explanation for the observation that banks hold on average a capital ratio in excess of regulatory requirements. We use a functional approach to banking based on Diamond and Rajan (2001) to demonstrate that banks can use capital ratios as a strategic tool for renegotiating loans with borrowers. As capital ratios affect the ability of banks to collect loans in a nonmonotonic way, a bank may be forced to exceed capital requirements. Moreover, high capital ratios may also constrain the amount a banker can borrow from investors. Consequently, the size of the banking sector may shrink.
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This paper intended to examine the relationship between capital and risk of Tanzanian commercial banks during the period 2009-2014 using the Two Stage Least Square (2SLS) method of estimation. The empirical findings reveal a direct relationship between capital ratios and bank risk-taking behavior implying that as the level of banks’ risk increases bank managers tend to increase the bank capital ratios so as to prevent banks from violating the regulatory minimum capital requirements.The study also found a positive relationship between regulatory pressure and capital. This positive impact shows that Tanzanians large commercial banks approaching the minimum capital requirements are inclined to improve their capital base in order to circumvent the penalties resulted from infringing the legal requirements of keeping minimum capital ratio.The study further shows a positive and significant association between profitability and bank capital implying that that as the profitability of banks increases they retain more earnings to raise the level of their capital. Hence, it is concluded that improvement in profitability helps banks to increase their capital ratios and prevent them from penalty associated with failure to meet minimum capital requirements. Key words : Bank Capital Adequacy, Risk-taking behavior, Regulatory Pressure, minimum capital requirements.
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Along with the implement ot the capital regulation in the world,the ratio of capital adequacy is becomming a important condition towords the bank behavior.Because of the capital supervision,the periodic fluctuation of bank credit will increase,which will lead to economic cycle fluctuation intensify.In macro prudential supervision framework,the Basel protocol improves the bank regulatory capital requirement,and on the other hand,advocates the establishment of countercyclical capital buffer.This article embarks from the regulation mechanism of macro-prudential regulation in the banking industry framework,under the influence of capital adequacy ratio and a capital buffer.Through establishing the bank credit optimal choice behavior model under the constraint of regulatory capital,the analysis show that,the capital buffer size is the essential factor of bank credit sensitivity on economic fluctuations,raising capital adequacy requirements will enhance bank credit procyclical under conditions of economic fluctuations.
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Basel III
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The purpose of this paper is to examine Korean banks' responses to the Basle risk-weighted capital adequacy requirements implemented in 1993. The analysis indicates that while some cosmetic adjustments might have been made by partial recognition of unrealized stock losses and expected loan losses, efforts to increase capital in ways that effectively reduced risk exposure seemed to dominate the response to strengthened capital requirements. The analysis also suggests the advisability of supplementing risk-based capital requirements with leverage restrictions. The analysis also raises the question of whether the 8 percent minimum ratio of the Basle capital accord is sufficient for banks in developing countries.
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Currently, banking is one of the most regulated activities in the world, because banks are the most important institutional units engaged in financial intermediation and affects not only the whole national economy of the country, but the global financial market as well. One of the key components of banking regulation are requirements expected for the bank capital, which prevent the bank from various unforeseen risks incurring substantial losses and are a sort of guarantee to maintain the financial system stability. For this reason, it is useful to find out what factors affect the capital adequacy ratio, and what measures the banks are going to take in order to meet the new capital requirements. The present research reveals the options of the implementation of the new system and the main problems faced by banks. The paper consists of four main parts: review of theory and literature, the research methodology of the factors influencing the capital adequacy, the study of factors influencing the capital adequacy ratio, and the capital adequacy management problem areas according to the Basel III requirements and conclusions.
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