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Basel II: The Route Ahead or Cul‐de‐Sac?

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  • Richard Brealey
Abstract
Despite the best efforts of regulators, banking crises throughout the world have been on the rise and proved costly both in terms of the burden on taxpayers and the effect on output. The revised Basel Accord establishes new procedures for measuring the risk of bank loans and for calculating the capital that needs to be held against these loans. But if these new rules are undoubtedly an improvement on the existing ones, their continued focus on the risk of individual loans suggests that bank regulation is heading down a cul‐de‐sac. Ideally, one would like to be able to view individual loans as parts of portfolios, with better diversified portfolios assigned lower risks and capital requirements. But because of the difficulty of measuring the risk of loan portfolios (which stems from their complicated covariance structure), the author suggests that the regulators and their constituencies would be better served by requiring more realistic valuations of loan portfolios and other bank assets. In this sense, the design of effective capital adequacy rules involves a trade‐off between developing developing more precise measures of risk, on the one hand, and improving the frequency and accuracy of asset valuations, on the other. The author urges bank regulators to focus less on refinements of risk measurement and more on efforts to incorporate fair value accounting.

Suggested Citation

  • Richard Brealey, 2006. "Basel II: The Route Ahead or Cul‐de‐Sac?," Journal of Applied Corporate Finance, Morgan Stanley, vol. 18(4), pages 34-43, September.
    • Handle: RePEc:bla:jacrfn:v:18:y:2006:i:4:p:34-43
    DOI: 10.1111/j.1745-6622.2006.00108.x
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    Cited by:

    1. Paolo Angelini & Laurent Clerc & Vasco Cúrdia & Leonardo Gambacorta & Andrea Gerali & Alberto Locarno & Roberto Motto & Werner Roeger & Skander Van den Heuvel & Jan Vlček, 2015. "Basel III: Long-term Impact on Economic Performance and Fluctuations," Manchester School, University of Manchester, vol. 83(2), pages 217-251, March.
    2. Ernest Dautovic, 2019. "Has Regulatory Capital Made Banks Safer? Skin in the Game vs Moral Hazard," Cahiers de Recherches Economiques du Département d'économie 19.03, Université de Lausanne, Faculté des HEC, Département d’économie.
    3. Allen, Franklin & Carletti, Elena & Marquez, Robert, 2015. "Deposits and bank capital structure," Journal of Financial Economics, Elsevier, vol. 118(3), pages 601-619.
    4. Gersbach, Hans & Haller, Hans & Müller, Jürg, 2015. "The macroeconomics of Modigliani–Miller," Journal of Economic Theory, Elsevier, vol. 157(C), pages 1081-1113.
    5. Leonardo Gambacorta & Sudipto Karmakar, 2018. "Leverage and Risk-Weighted Capital Requirements," International Journal of Central Banking, International Journal of Central Banking, vol. 14(5), pages 153-191, December.
    6. Allen, Bill & Chan, Ka Kei & Milne, Alistair & Thomas, Steve, 2012. "Basel III: Is the cure worse than the disease?," International Review of Financial Analysis, Elsevier, vol. 25(C), pages 159-166.
    7. Stephen Matteo Miller, 2018. "The recourse rule, regulatory arbitrage, and the financial crisis," Journal of Regulatory Economics, Springer, vol. 54(2), pages 195-217, October.
    8. Barth, James R. & Miller, Stephen Matteo, 2018. "Benefits and costs of a higher bank “leverage ratio”," Journal of Financial Stability, Elsevier, vol. 38(C), pages 37-52.
    9. Miller, Steph & Hoarty, Blake, 2020. "On Regulation and Excess Reserves: The Case of Basel III," Working Papers 10243, George Mason University, Mercatus Center.
    10. Admati, Anat R. & DeMarzo, Peter M. & Hellwig, Martin F. & Pfleiderer, Paul, 2010. "Fallacies, Irrelevant Facts, and Myths in the Discussion of Capital Regulation: Why Bank Equity Is Not Expensive," Research Papers 2065, Stanford University, Graduate School of Business.
    11. Miller, Stephen, 2017. "The Recourse Rule, Regulatory Arbitrage, and the Financial Crisis," Working Papers 03097, George Mason University, Mercatus Center.
    12. James R. Barth & Stephen Matteo Miller, 2018. "On the Rising Complexity of Bank Regulatory Capital Requirements: From Global Guidelines to their United States (US) Implementation," JRFM, MDPI, vol. 11(4), pages 1-33, November.
    13. Stephen Matteo Miller & Blake Hoarty, 2021. "On regulation and excess reserves: The case of Basel III," Journal of Financial Research, Southern Finance Association;Southwestern Finance Association, vol. 44(2), pages 215-247, June.
    14. Anat R. Admati & Peter M. DeMarzo & Martin F. Hellwig & Paul Pfleiderer, 2013. "Fallacies, Irrelevant Facts, and Myths in the Discussion of Capital Regulation: Why Bank Equity is Not Socially Expensive," Discussion Paper Series of the Max Planck Institute for Research on Collective Goods 2013_23, Max Planck Institute for Research on Collective Goods.

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