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Banks’ buffer capital: How important is risk?

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  • Kjersti-Gro Lindquist

    (Norges Bank)

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    Abstract

    Most banks hold a capital to asset ratio well above the required minimum defined by the present capital adequacy regulation (Basel I). Using bank-level panel data from Norway, important hypotheses concerning the determination of the buffer capital are analysed. Focus is on the importance of: (i) risk, particularly credit risk, (ii) the buffer as an insurance, (iii) the competition effect, (iv) supervisory discipline, and (v) economic growth. A negative or nonsignificant risk effect is found, which suggests that introducing a more risk-sensitive capital regulation (Basel II) is likely to affect Norwegian banks. Support is found for the hypothesis that buffer capital serves as an insurance against failure to meet the capital requirements.

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    File URL: http://www.norges-bank.no/upload/import/publikasjoner/arbeidsnotater/pdf/arb-2003-11.pdf
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    Bibliographic Info

    Paper provided by Norges Bank in its series Working Paper with number 2003/11.

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    Length: 31 pages
    Date of creation: 15 Dec 2003
    Date of revision:
    Handle: RePEc:bno:worpap:2003_11

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    Keywords: Banking; Excess capital; Risk; Panel data;

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    References

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    1. Xavier Freixas & Jean-Charles Rochet, 1997. "Microeconomics of Banking," MIT Press Books, The MIT Press, edition 1, volume 1, number 0262061937, December.
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    3. Rochet, Jean-Charles, 1992. "Capital requirements and the behaviour of commercial banks," European Economic Review, Elsevier, vol. 36(5), pages 1137-1170, June.
    4. Joseph P. Hughes & Loretta J. Mester & Choon-Geol Moon, 2000. "Are Scale Economies in Banking Elusive or Illusive?," Departmental Working Papers 200004, Rutgers University, Department of Economics.
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    7. Con Keating & Hyun Song Shin & Charles Goodhart & Jon Danielsson, 2001. "An Academic Response to Basel II," FMG Special Papers sp130, Financial Markets Group.
    8. Craig Furfine, 2001. "Bank Portfolio Allocation: The Impact of Capital Requirements, Regulatory Monitoring, and Economic Conditions," Journal of Financial Services Research, Springer, vol. 20(1), pages 33-56, September.
    9. Allen N. Berger & Richard J. Herring & Giorgio P. Szego, 1995. "The role of capital in financial institutions," Finance and Economics Discussion Series 95-23, Board of Governors of the Federal Reserve System (U.S.).
    10. Kim, Daesik & Santomero, Anthony M, 1988. " Risk in Banking and Capital Regulation," Journal of Finance, American Finance Association, vol. 43(5), pages 1219-33, December.
    11. Barrios, Victor E. & Blanco, Juan M., 2003. "The effectiveness of bank capital adequacy regulation: A theoretical and empirical approach," Journal of Banking & Finance, Elsevier, vol. 27(10), pages 1935-1958, October.
    12. Joseph P. Hughes & Loretta J. Mester & Moon Choo-Geol, 2000. "Are scale economies in banking elusive or illusive? evidence obtained by incorporating capital structure and risk-taking into models of bank production," Proceedings 700, Federal Reserve Bank of Chicago.
    13. Koehn, Michael & Santomero, Anthony M, 1980. " Regulation of Bank Capital and Portfolio Risk," Journal of Finance, American Finance Association, vol. 35(5), pages 1235-44, December.
    14. João A. C. Santos, 2000. "Bank capital regulation in contemporary banking theory: a review of the literature," BIS Working Papers 90, Bank for International Settlements.
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    Cited by:
    1. Stolz, Stéphanie & Wedow, Michael, 2005. "Banks' regulatory capital buffer and the business cycle: evidence for German savings and cooperative banks," Discussion Paper Series 2: Banking and Financial Studies 2005,07, Deutsche Bundesbank, Research Centre.
    2. Nier, Erlend & Baumann, Ursel, 2006. "Market discipline, disclosure and moral hazard in banking," Journal of Financial Intermediation, Elsevier, vol. 15(3), pages 332-361, July.

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