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Beliefs, competition, and bank runs


  • Bernadino Adao
  • Theodosios Temzelides


Within the framework of Diamond-Dybvig (1983), the optimal (run free) outcome is shown to be the unique forward induction equilibrium. In a version of the model that posits Bertrand competition among banks, there are sequential equilibria that imply positive profits. However, the zero-profit contract is supported as the unique equilibrium outcome if the agents' beliefs are restricted to the space of beliefs consistent with the forward induction refinement.
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Suggested Citation

  • Bernadino Adao & Theodosios Temzelides, 1995. "Beliefs, competition, and bank runs," Working Papers 95-26, Federal Reserve Bank of Philadelphia.
  • Handle: RePEc:fip:fedpwp:95-26

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    References listed on IDEAS

    1. Kreps, David M & Wilson, Robert, 1982. "Sequential Equilibria," Econometrica, Econometric Society, vol. 50(4), pages 863-894, July.
    2. Green, Edward J. & Lin, Ping, 2003. "Implementing efficient allocations in a model of financial intermediation," Journal of Economic Theory, Elsevier, vol. 109(1), pages 1-23, March.
    3. Stephen Morris & Hyun Song Shin, 1995. "Informational events that trigger currency attacks," Working Papers 95-24, Federal Reserve Bank of Philadelphia.
    4. Douglas W. Diamond & Philip H. Dybvig, 2000. "Bank runs, deposit insurance, and liquidity," Quarterly Review, Federal Reserve Bank of Minneapolis, issue Win, pages 14-23.
    5. Aumann, Robert J., 1974. "Subjectivity and correlation in randomized strategies," Journal of Mathematical Economics, Elsevier, vol. 1(1), pages 67-96, March.
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    Cited by:

    1. Todd Kaplan, 2006. "Why banks should keep secrets," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), vol. 27(2), pages 341-357, January.

    More about this item


    Bank competition ; Bank deposits;

    JEL classification:

    • C7 - Mathematical and Quantitative Methods - - Game Theory and Bargaining Theory
    • D8 - Microeconomics - - Information, Knowledge, and Uncertainty
    • G - Financial Economics


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