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On the Relationship between Market Power and Bank Risk Taking

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Author Info
Kaniska Dam
Marc Escrihuela-Villar
Santiago Sanchez-Pages ()

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Abstract

We analyse risk-taking behaviour of banks in the context of spatial competition. Banks mobilise unsecured deposits by offering deposit rates, which they invest either in a prudent or a gambling asset. Limited liability along with high return of a successful gamble induce moral hazard at the bank level. We show that when the market power is low, banks invest in the gambling asset. On the other hand, for sufficiently high levels of market power, all banks choose the prudent asset to invest in. We further show that a merger of two neighboring banks increases the likelihood of prudent behaviour. Finally, introduction of a deposit insurance scheme exacerbates banks’ moral hazard problem.

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File URL: http://www.econ.ed.ac.uk/papers/JEMS.2009-02-20.dam.pdf
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Publisher Info
Paper provided by Edinburgh School of Economics, University of Edinburgh in its series ESE Discussion Papers with number 187.

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Length: 33
Date of creation: Feb 2009
Date of revision:
Handle: RePEc:edn:esedps:187

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Find related papers by JEL classification:
D43 - Microeconomics - - Market Structure and Pricing - - - Oligopoly and Other Forms of Market Imperfection
G28 - Financial Economics - - Financial Institutions and Services - - - Government Policy and Regulation
G34 - Financial Economics - - Corporate Finance and Governance - - - Mergers; Acquisitions; Restructuring; Corporate Governance

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  1. Matutes, Carmen & Vives, Xavier, 1996. "Competition for Deposits, Fragility, and Insurance," Journal of Financial Intermediation, Elsevier, vol. 5(2), pages 184-216, April. [Downloadable!] (restricted)
  2. 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. [Downloadable!] (restricted)
    Other versions:
  3. 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. [Downloadable!] (restricted)
  4. Brito, Duarte, 2003. "Preemptive mergers under spatial competition," International Journal of Industrial Organization, Elsevier, vol. 21(10), pages 1601-1622, December. [Downloadable!] (restricted)
  5. Levy, David T & Reitzes, James D, 1992. "Anticompetitive Effects of Mergers in Markets with Localized Competition," Journal of Law, Economics and Organization, Oxford University Press, vol. 8(2), pages 427-40, April.
  6. John H. Boyd & Gianni De Nicolã, 2005. "The Theory of Bank Risk Taking and Competition Revisited," Journal of Finance, American Finance Association, vol. 60(3), pages 1329-1343, 06. [Downloadable!] (restricted)
  7. Diamond, Douglas W & Dybvig, Philip H, 1983. "Bank Runs, Deposit Insurance, and Liquidity," Journal of Political Economy, University of Chicago Press, vol. 91(3), pages 401-19, June. [Downloadable!] (restricted)
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  8. Albert Banal-Estañol & Marco Ottaviani, 2006. "Mergers with Product Market Risk," Journal of Economics & Management Strategy, Blackwell Publishing, vol. 15(3), pages 577-608, 09. [Downloadable!] (restricted)
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  9. Thomas F. Hellmann & Kevin C. Murdock & 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. [Downloadable!] (restricted)
  10. Repullo, Rafael, 2004. "Capital requirements, market power, and risk-taking in banking," Journal of Financial Intermediation, Elsevier, vol. 13(2), pages 156-182, April. [Downloadable!] (restricted)
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  11. Raymond Deneckere & Carl Davidson, 1985. "Incentives to Form Coalitions with Bertrand Competition," RAND Journal of Economics, The RAND Corporation, vol. 16(4), pages 473-486, Winter. [Downloadable!] (restricted)
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