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A bank runs model with a continuum of types

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  • Azrieli, Yaron
  • Peck, James

Abstract

We consider a bank runs model à la Diamond and Dybvig (1983) [3] with a continuum of agent types, indexed by the degree of patience. Much of our understanding based on the two-type model must be modified. The endogenous determination of a cutoff type is central to the analysis. In the case where the bank can credibly commit to a contract, the optimal contract results in socially excessive early withdrawals in every equilibrium of the post-deposit subgame. Thus, even at the best equilibrium the socially efficient outcome is not achieved, and agentsʼ behavior exhibits features of a bank run. In the case where commitment is not possible, there are strictly more early withdrawals and strictly lower welfare than the full-commitment equilibrium.

Suggested Citation

  • Azrieli, Yaron & Peck, James, 2012. "A bank runs model with a continuum of types," Journal of Economic Theory, Elsevier, vol. 147(5), pages 2040-2055.
    • Handle: RePEc:eee:jetheo:v:147:y:2012:i:5:p:2040-2055
    DOI: 10.1016/j.jet.2012.05.002
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    1. Fuente,Angel de la, 2000. "Mathematical Methods and Models for Economists," Cambridge Books, Cambridge University Press, number 9780521585293, January.
    2. Andolfatto, David & Nosal, Ed & Wallace, Neil, 2007. "The role of independence in the Green-Lin Diamond-Dybvig model," Journal of Economic Theory, Elsevier, vol. 137(1), pages 709-715, November.
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    Cited by:

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    2. Sim, Khai Zhi, 2024. "Bank bailouts: Moral hazard and commitment," Journal of Mathematical Economics, Elsevier, vol. 111(C).
    3. Jarrow, Robert & Xu, Liheng, 2015. "Bank runs and self-insured bank deposits," The Quarterly Review of Economics and Finance, Elsevier, vol. 58(C), pages 180-189.
    4. repec:spo:wpmain:info:hdl:2441/7fs9bl6i6n9kgbdn581chahh2o is not listed on IDEAS
    5. Shakina, Ekaterina & Angerer, Martin, 2018. "Coordination and communication during bank runs," Journal of Behavioral and Experimental Finance, Elsevier, vol. 20(C), pages 115-130.
    6. Catherine Mathieu & Henri Sterdyniak, 2019. "Economic Policies in the Euro Area after the Crisis," Revue de l'OFCE, Presses de Sciences-Po, vol. 0(HS), pages 5-10.
    7. repec:hal:spmain:info:hdl:2441/7fs9bl6i6n9kgbdn581chahh2o is not listed on IDEAS

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    More about this item

    Keywords

    Bank runs; Continuum of types; Optimal bank contract; Commitment;
    All these keywords.

    JEL classification:

    • C72 - Mathematical and Quantitative Methods - - Game Theory and Bargaining Theory - - - Noncooperative Games
    • D82 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Asymmetric and Private Information; Mechanism Design
    • E59 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Other
    • G21 - Financial Economics - - Financial Institutions and Services - - - Banks; Other Depository Institutions; Micro Finance Institutions; Mortgages

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