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Portfolio effects and efficiency of lending under Basel II

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  • Jokivuolle , Esa

    ()
    (Bank of Finland Research)

  • Vesala, Timo

    ()
    (Tapiola Group)

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    Abstract

    Although beneficial allocational effects have been a central motivation for the Basel II capital adequacy reform, the interaction of these effects with Basel II’s procyclical impact has been less discussed. In this paper, we investigate the effect of Basel II on the efficiency of bank lending. We consider competitive credit markets where entrepreneurs may apply for loans for investments of different risk profiles. In this setting, excessive risk taking typically arises because low risk borrowers cross-subsidize high risk borrowers through the price system that is based on average success rates. We find that while flat-rate capital requirements (such as Basel I) amplify overinvestment in risky projects, risk-based capital requirements alleviate the cross-subsidization effect, improving allocational efficiency. This also suggests that Basel II does not necessarily lead to exacerbation of macroeconomic cycles because the reduction in the proportion of high-risk investments softens the cyclicality of bank lending over the business cycle.

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    File URL: http://www.suomenpankki.fi/en/julkaisut/tutkimukset/keskustelualoitteet/Documents/0713netti.pdf
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    Bibliographic Info

    Paper provided by Bank of Finland in its series Research Discussion Papers with number 13/2007.

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    Length: 23 pages
    Date of creation: 03 Oct 2007
    Date of revision:
    Handle: RePEc:hhs:bofrdp:2007_013

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    Postal: Bank of Finland, P.O. Box 160, FI-00101 Helsinki, Finland
    Web page: http://www.suomenpankki.fi/en/
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    Related research

    Keywords: Basel II; bank regulation; capital requirements; credit risk; procyclicality;

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    1. Franklin Allen & Elena Carletti & Robert Marquez, 0. "Credit Market Competition and Capital Regulation," Review of Financial Studies, Society for Financial Studies, vol. 24(4), pages 983-1018.
    2. Repullo, Rafael, 2003. "Capital Requirements, Market Power and Risk-Taking in Banking," CEPR Discussion Papers 3721, C.E.P.R. Discussion Papers.
    3. Jokipii, Terhi & Milne , Alistair, 2006. "The cyclical behaviour of European bank capital buffers," Research Discussion Papers 17/2006, Bank of Finland.
    4. Peura, Samu & Jokivuolle, Esa, 2004. "Simulation based stress tests of banks' regulatory capital adequacy," Journal of Banking & Finance, Elsevier, vol. 28(8), pages 1801-1824, August.
    5. Gordy, Michael B. & Howells, Bradley, 2006. "Procyclicality in Basel II: Can we treat the disease without killing the patient?," Journal of Financial Intermediation, Elsevier, vol. 15(3), pages 395-417, July.
    6. Anil Kashyap & Jeremy C. Stein, 2004. "Cyclical implications of the Basel II capital standards," Economic Perspectives, Federal Reserve Bank of Chicago, issue Q I, pages 18-31.
    7. Ayuso, Juan & Perez, Daniel & Saurina, Jesus, 2004. "Are capital buffers pro-cyclical?: Evidence from Spanish panel data," Journal of Financial Intermediation, Elsevier, vol. 13(2), pages 249-264, April.
    8. Pennacchi, George G., 2005. "Risk-based capital standards, deposit insurance, and procyclicality," Journal of Financial Intermediation, Elsevier, vol. 14(4), pages 432-465, October.
    9. Rajan, Raghuram G, 1994. "Why Bank Credit Policies Fluctuate: A Theory and Some Evidence," The Quarterly Journal of Economics, MIT Press, vol. 109(2), pages 399-441, May.
    10. Haibin Zhu, 2007. "Capital regulation and banks' financial decisions," BIS Working Papers 232, Bank for International Settlements.
    11. de Meza, David & Webb, David C, 1987. "Too Much Investment: A Problem of Asymmetric Information," The Quarterly Journal of Economics, MIT Press, vol. 102(2), pages 281-92, May.
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    Cited by:
    1. Inês Drumond, 2008. "Bank Capital Requirements, Business Cycle Fluctuations and the Basel Accords: A Synthesis," FEP Working Papers 277, Universidade do Porto, Faculdade de Economia do Porto.
    2. Chiara Pederzoli & Costanza Torricelli & Dimitrios P. Tsomocos, 2008. "Rating systems, procyclicality and Basel II: an evaluation in a general equilibrium framework," OFRC Working Papers Series 2008fe27, Oxford Financial Research Centre.
    3. Ralf Bebenroth & Diemo Dietrich & Uwe Vollmer, 2009. "Bank regulation and supervision in bank-dominated financial systems: a comparison between Japan and Germany," European Journal of Law and Economics, Springer, vol. 27(2), pages 177-209, April.
    4. Daya Shanker & IKM Mokhtarul Wadud & Harminder Singh, 2008. "A Comparative Study of Banking in China and India, Nonperforming Loans and the Level Playing Field," Economics Series 2008_25, Deakin University, Faculty of Business and Law, School of Accounting, Economics and Finance.

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