Bank Size and Risk-Taking under Basel II
Abstract
We analyze the relationship between bank size and risk-taking under the New Basel Capital Accord. Using a model with imperfect competition and moral hazard, we show that the introduction of an internal ratings based (IRB) approach improves upon flat capital requirements if the approach is applied uniformly across banks and if the costs of implementation are not too high. However, the banks’ right to choose between the standardized and the IRB approaches under Basel II gives larger banks a competitive advantage and, due to fiercer competition, pushes smaller banks to take higher risks. This may even lead to higher aggregate risk-taking.Download Info
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Paper provided by Free University of Berlin, Humboldt University of Berlin, University of Bonn, University of Mannheim, University of Munich in its series Discussion Paper Series of SFB/TR 15 Governance and the Efficiency of Economic Systems with number 88.Length:
Date of creation: Feb 2006
Date of revision:
Handle: RePEc:trf:wpaper:88
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Keywords: Basel II; IRB approach; bank competition; capital requirements; SME financing;Other versions of this item:
- Hakenes, Hendrik & Schnabel, Isabel, 2011. "Bank size and risk-taking under Basel II," Journal of Banking & Finance, Elsevier, vol. 35(6), pages 1436-1449, June.
- Hakenes, Hendrik & Schnabel, Isabel, 2005. "Bank Size and Risk-Taking under Basel II," Sonderforschungsbereich 504 Publications 05-07, Sonderforschungsbereich 504, Universität Mannheim & Sonderforschungsbereich 504, University of Mannheim.
- Hendrik Hakenes & Isabel Schnabel, 2005. "Bank Size and Risk-Taking under Basel II," Working Paper Series of the Max Planck Institute for Research on Collective Goods 2005_6, Max Planck Institute for Research on Collective Goods.
- G21 - Financial Economics - - Financial Institutions and Services - - - Banks; Other Depository Institutions; Micro Finance Institutions; Mortgages
- G28 - Financial Economics - - Financial Institutions and Services - - - Government Policy and Regulation
- L11 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Production, Pricing, and Market Structure; Size Distribution of Firms
This paper has been announced in the following NEP Reports:
- NEP-ALL-2006-02-12 (All new papers)
- NEP-FIN-2006-02-12 (Finance)
- NEP-FMK-2006-02-12 (Financial Markets)
- NEP-REG-2006-02-12 (Regulation)
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Citations
Citations are extracted by the CitEc Project, subscribe to its RSS feed for this item.Cited by:
- Allen N. Berger, 2004.
"Potential competitive effects of Basel II on banks in SME credit markets in the United States,"
Finance and Economics Discussion Series
2004-12, Board of Governors of the Federal Reserve System (U.S.).
- Allen Berger, 2006. "Potential Competitive Effects of Basel II on Banks in SME Credit Markets in the United States," Journal of Financial Services Research, Springer, vol. 29(1), pages 5-36, February.
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