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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.

Suggested Citation

  • Repullo, Rafael, 2012. "Cyclical Adjustment of Capital Requirements: A Simple Framework," CEPR Discussion Papers 9008, C.E.P.R. Discussion Papers.
  • Handle: RePEc:cpr:ceprdp:9008
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    References listed on IDEAS

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    1. repec:hrv:faseco:33077921 is not listed on IDEAS
    2. 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.
    3. Rafael Repullo & Jesús Saurina & Carlos Trucharte, 2010. "Mitigating the pro-cyclicality of Basel II," Economic Policy, CEPR;CES;MSH, vol. 25, pages 659-702, October.
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    7. Repullo, Rafael & Suarez, Javier, 2004. "Loan pricing under Basel capital requirements," Journal of Financial Intermediation, Elsevier, vol. 13(4), pages 496-521, October.
    8. 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), pages -, September.
    9. Anil K. 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. Dewatripont, Mathias, 2014. "European banking: Bailout, bail-in and state aid control," International Journal of Industrial Organization, Elsevier, vol. 34(C), pages 37-43.
    2. Pierluigi Bologna & Anatoli Segura, 2016. "Integrating stress tests within the Basel III capital framework: a macroprudentially coherent approach," Questioni di Economia e Finanza (Occasional Papers) 360, Bank of Italy, Economic Research and International Relations Area.
    3. repec:ebd:wpaper:169 is not listed on IDEAS
    4. Aptus, Elias & Britz, Volker & Gersbach, Hans, 2014. "On the economics of crisis contracts," CFS Working Paper Series 453, Center for Financial Studies (CFS).
    5. Cecilia Dassatti & Alejandro Pena & Jorge Ponce & Magdalena Tubio, 2014. "Requerimiento de capital contra-cíclico. El caso uruguayo," Documentos de trabajo 2014008, Banco Central del Uruguay.
    6. repec:eee:moneco:v:90:y:2017:i:c:p:113-124 is not listed on IDEAS
    7. Ferrer, Alex & Casals, José & Sotoca, Sonia, 2015. "Capital cyclicality, conditional coverage and long-term capital assessment," Finance Research Letters, Elsevier, vol. 15(C), pages 246-256.
    8. Cecilia Dassatti & Alejandro Pena & Jorge Ponce & Magdalena Tubio, 2015. "Countercyclical Capital Buffer: The Case of Uruguay," Monetaria, Centro de Estudios Monetarios Latinoamericanos, vol. 0(2), pages 251-285, July-Dece.
    9. Beck, Thorsten & de Haas, Ralph & Degryse, Hans & Van Horen, Neeltje, 2014. "When Arm’s Length Is Too Far. Relationship Banking over the Business Cycle," CEPR Discussion Papers 10050, C.E.P.R. Discussion Papers.
    10. Josef Schroth & Stephane Moyen, 2017. "Optimal Capital Regulation," 2017 Meeting Papers 828, Society for Economic Dynamics.
    11. Sorokina, Nonna & Thornton, John H., 2016. "Reactions of equity markets to recent financial reforms," Journal of Economics and Business, Elsevier, vol. 87(C), pages 50-69.
    12. repec:eee:jbfina:v:81:y:2017:i:c:p:105-113 is not listed on IDEAS
    13. Kogler, Michael, 2016. "Optimal Bank Capital Regulation, the Real Sector, and the State of the Economy," Economics Working Paper Series 1615, University of St. Gallen, School of Economics and Political Science.
    14. Cao, Jin & Chollete, Loran, 2014. "Capital Adequacy and Liquidity in Banking Dynamics: Theory and Regulatory Implications," UiS Working Papers in Economics and Finance 2014/16, University of Stavanger.
    15. Gete, Pedro & Tiernan, Natalie, 2014. "Lending Standards and Countercyclical Capital Requirements under Imperfect Information," MPRA Paper 54486, University Library of Munich, Germany.
    16. repec:eee:jfinec:v:127:y:2018:i:1:p:174-196 is not listed on IDEAS
    17. Beck, Thorsten & Degryse, Hans & De Haas, Ralph & van Horen, Neeltje, 2018. "When arm's length is too far: Relationship banking over the credit cycle," Journal of Financial Economics, Elsevier, vol. 127(1), pages 174-196.
    18. Alejandro Ferrer Pérez & José Casals Carro & Sonia Sotoca López, 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.
    19. Kogler, Michael, 2015. "Rewarding Prudence: Risk Taking, Pecuniary Externalities and Optimal Bank Regulation," Economics Working Paper Series 1512, University of St. Gallen, School of Economics and Political Science.
    20. Gersbach, Hans & Rochet, Jean-Charles, 2017. "Capital regulation and credit fluctuations," Journal of Monetary Economics, Elsevier, vol. 90(C), pages 113-124.
    21. Stefan Arping, 2014. "Does Competition make Banks more Risk-seeking?," Tinbergen Institute Discussion Papers 14-059/IV, Tinbergen Institute.

    More about this item

    Keywords

    Banking regulation; Basel II; Capital requirements; Procyclicality;

    JEL classification:

    • E44 - Macroeconomics and Monetary Economics - - Money and Interest Rates - - - Financial Markets and the Macroeconomy
    • 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

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