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Capital requirements, market power, and risk-taking in banking

  • Rafael Repullo

This Paper presents a dynamic model of imperfect competition in banking where banks can invest in a prudent or a gambling asset. We show that if intermediation margins are small, the banks’ franchise values will be small, and in the absence of regulation only a gambling equilibrium will exist. In this case, either flat-rate capital requirements or binding deposit rate ceilings can ensure the existence of a prudent equilibrium, although both have a negative impact on deposit rates. Such impact does not obtain with either risk-based capital requirements or non-binding deposit rate ceilings, but only the former are always effective in controlling risk-shifting incentives.

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Paper provided by Federal Reserve Bank of Chicago in its series Proceedings with number 809.

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Length: 150-163
Date of creation: 2002
Date of revision:
Publication status: Published in Conference on Bank Structure and Competition (2002 : 38th) ; Financial market behavior and appropriate regulation over the business cycle
Handle: RePEc:fip:fedhpr:809
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  1. Perotti, Enrico C. & Suarez, Javier, 2002. "Last bank standing: What do I gain if you fail?," European Economic Review, Elsevier, vol. 46(9), pages 1599-1622, October.
  2. Repullo, R., 1999. "Who Should Act as Lender of Last Resort? An Incomplete Contracts Model," Papers 9913, Centro de Estudios Monetarios Y Financieros-.
  3. Yuk-Shee Chan & Stuart I. Greenbaum & Anjan V. Thakor, 2004. "Is Fairly Priced Deposit Insurance Possible?," Finance 0411018, EconWPA.
  4. Chiappori, Pierre-Andre & Perez-Castrillo, David & Verdier, Thierry, 1995. "Spatial competition in the banking system: Localization, cross subsidies and the regulation of deposit rates," European Economic Review, Elsevier, vol. 39(5), pages 889-918, May.
  5. Kevin C. Murdock & Thomas F. Hellmann & Joseph E. Stiglitz, 2000. "Liberalization, Moral Hazard in Banking, and Prudential Regulation: Are Capital Requirements Enough?," American Economic Review, American Economic Association, vol. 90(1), pages 147-165, March.
  6. Stewart C. Myers & Nicholas S. Majluf, 1984. "Corporate Financing and Investment Decisions When Firms Have InformationThat Investors Do Not Have," NBER Working Papers 1396, National Bureau of Economic Research, Inc.
  7. Besanko, David & Kanatas, George, 1996. "The Regulation of Bank Capital: Do Capital Standards Promote Bank Safety?," Journal of Financial Intermediation, Elsevier, vol. 5(2), pages 160-183, April.
  8. Myers, Stewart C. & Majluf, Nicolás S., 1945-, 1984. "Corporate financing and investment decisions when firms have information that investors do not have," Working papers 1523-84., Massachusetts Institute of Technology (MIT), Sloan School of Management.
  9. Gennotte, Gerard & Pyle, David, 1991. "Capital controls and bank risk," Journal of Banking & Finance, Elsevier, vol. 15(4-5), pages 805-824, September.
  10. Myers, Stewart C. & Majluf, Nicholas S., 1984. "Corporate financing and investment decisions when firms have information that investors do not have," Journal of Financial Economics, Elsevier, vol. 13(2), pages 187-221, June.
  11. Drew Fudenberg & Jean Tirole, 1991. "Game Theory," MIT Press Books, The MIT Press, edition 1, volume 1, number 0262061414, June.
  12. Matutes, Carmen & Vives, Xavier, 2000. "Imperfect competition, risk taking, and regulation in banking," European Economic Review, Elsevier, vol. 44(1), pages 1-34, January.
  13. Blanchard, Olivier J, 1985. "Debt, Deficits, and Finite Horizons," Journal of Political Economy, University of Chicago Press, vol. 93(2), pages 223-47, April.
  14. Rochet, Jean-Charles, 1992. "Capital requirements and the behaviour of commercial banks," European Economic Review, Elsevier, vol. 36(5), pages 1137-1170, June.
  15. Furlong, Frederick T. & Keeley, Michael C., 1989. "Capital regulation and bank risk-taking: A note," Journal of Banking & Finance, Elsevier, vol. 13(6), pages 883-891, December.
  16. Matutes, Carmen & Vives, Xavier, 1996. "Competition for Deposits, Fragility, and Insurance," Journal of Financial Intermediation, Elsevier, vol. 5(2), pages 184-216, April.
  17. Keeley, Michael C, 1990. "Deposit Insurance, Risk, and Market Power in Banking," American Economic Review, American Economic Association, vol. 80(5), pages 1183-1200, December.
  18. Steven C. Salop, 1979. "Monopolistic Competition with Outside Goods," Bell Journal of Economics, The RAND Corporation, vol. 10(1), pages 141-156, Spring.
  19. Frederick T. Furlong & Michael C. Keeley, 1991. "Capital regulation and bank risk-taking: a note (reprinted from Journal of Banking and Finance)," Economic Review, Federal Reserve Bank of San Francisco, issue Sum, pages 34-39.
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