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Cyclical Adjustment of Capital Requirements: A Simple Framework

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  • Repullo, Rafael

Abstract

We present a simple model of an economy with heterogeneous banks that may be funded with uninsured deposits and equity capital. Capital serves to ameliorate a moral hazard problem in the choice of risk. There is a fixed aggregate supply of bank capital, so the cost of capital is endogenous. A regulator sets risk-sensitive capital requirements in order to maximize a social welfare function that incorporates a social cost of bank failure. We consider the effect of a negative shock to the supply of bank capital and show that optimal capital requirements should be lowered. Failure to do so would keep banks safer but produce a large reduction in aggregate investment. The result provides a rationale for the cyclical adjustment of risk-sensitive capital requirements.

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Bibliographic Info

Paper provided by C.E.P.R. Discussion Papers in its series CEPR Discussion Papers with number 9008.

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Date of creation: Jun 2012
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Handle: RePEc:cpr:ceprdp:9008

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Keywords: Banking regulation; Basel II; Capital requirements; Procyclicality;

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References

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  1. Con Keating & Hyun Song Shin & Charles Goodhart & Jon Danielsson, 2001. "An Academic Response to Basel II," FMG Special Papers sp130, Financial Markets Group.
  2. Rafael Repullo & Jesús Saurina & Carlos Trucharte, 2010. "Mitigating the pro-cyclicality of Basel II," Banco de Espa�a Working Papers 1028, Banco de Espa�a.
  3. Holmström, Bengt & Tirole, Jean, 1994. "Financial Intermediation, Loanable Funds and the Real Sector," IDEI Working Papers 40, Institut d'Économie Industrielle (IDEI), Toulouse.
  4. Andrei Shleifer & Robert W. Vishny, 2009. "Unstable Banking," NBER Working Papers 14943, National Bureau of Economic Research, Inc.
  5. Repullo, Rafael & Suarez, Javier, 2004. "Loan pricing under Basel capital requirements," Journal of Financial Intermediation, Elsevier, vol. 13(4), pages 496-521, October.
  6. Rafael Repullo, 2005. "Liquidity, Risk Taking, and the Lender of Last Resort," International Journal of Central Banking, International Journal of Central Banking, vol. 1(2), September.
  7. Rafael Repullo & Javier Suarez, 2013. "The Procyclical Effects of Bank Capital Regulation," Review of Financial Studies, Society for Financial Studies, vol. 26(2), pages 452-490.
  8. Stiglitz, Joseph E & Weiss, Andrew, 1981. "Credit Rationing in Markets with Imperfect Information," American Economic Review, American Economic Association, vol. 71(3), pages 393-410, June.
  9. 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.
  10. Samuel G. Hanson & Anil K. Kashyap & Jeremy C. Stein, 2011. "A Macroprudential Approach to Financial Regulation," Journal of Economic Perspectives, American Economic Association, vol. 25(1), pages 3-28, Winter.
  11. 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.
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Cited by:
  1. Thorsten Beck & Hans Degryse & Ralph de Haas & Neeltje van Horen, 2014. "When Arm's Length Is Too Far. Relationship Banking over the Business Cycle," CESifo Working Paper Series 4877, CESifo Group Munich.
  2. Alex Ferrer & José Casals & Sonia Sotoca, 2014. "Conditional coverage and its role in determining and assessing long-term capital requirements," Documentos de Trabajo del ICAE 2014-12, Universidad Complutense de Madrid, Facultad de Ciencias Económicas y Empresariales, Instituto Complutense de Análisis Económico.
  3. Aptus, Elias & Britz, Volker & Gersbach, Hans, 2014. "On the economics of crisis contracts," CFS Working Paper Series 453, Center for Financial Studies (CFS).
  4. Stefan Arping, 2014. "Does Competition make Banks more Risk-seeking?," Tinbergen Institute Discussion Papers 14-059/IV, Tinbergen Institute.
  5. Gete, Pedro & Tiernan, Natalie, 2014. "Lending Standards and Countercyclical Capital Requirements under Imperfect Information," MPRA Paper 54486, University Library of Munich, Germany.

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