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Liquidity, Moral Hazard, and Interbank Market Collapse

Author

Listed:
  • Enisse Kharroubi

    (Banque de France)

  • Edouard Vidon

    (International Monetary Fund)

Abstract

This paper proposes a framework to analyze the functioning of the interbank liquidity market and the occurrence of liquidity crises. The model relies on three key assumptions: (i) ex ante investment in liquid assets is not verifiable - it cannot be contracted upon, (ii) banks face moral hazard when confronted with liquidity shocks - unobservable effort can help overcome the shock, and (iii) liquidity shocks are private information - they cannot be diversified away. Under these assumptions, the aggregate volume of capital invested in liquid assets is shown to exert a positive externality on individual decisions to hoard liquid assets. Due to this property, the collapse of the interbank market for liquidity is an equilibrium. Moreover, such an equilibrium is more likely when the individual probability of the liquidity shock is lower. Banks may therefore provision too few liquid assets compared with the social optimum.

Suggested Citation

  • Enisse Kharroubi & Edouard Vidon, 2009. "Liquidity, Moral Hazard, and Interbank Market Collapse," International Journal of Central Banking, International Journal of Central Banking, vol. 5(4), pages 51-86, December.
  • Handle: RePEc:ijc:ijcjou:y:2009:q:4:a:3
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    References listed on IDEAS

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    Cited by:

    1. Radde, Sören, 2015. "Flight to liquidity and the Great Recession," Journal of Banking & Finance, Elsevier, vol. 54(C), pages 192-207.
    2. Jin Cheng & Meixing Dai & Frédéric Dufourt, 2015. "The banking crisis with interbank market freeze," Working Papers of BETA 2015-20, Bureau d'Economie Théorique et Appliquée, UDS, Strasbourg.
    3. Radde, Sören, 2012. "Liquidity Crises, Banking, and the Great Recession," Annual Conference 2012 (Goettingen): New Approaches and Challenges for the Labor Market of the 21st Century 65408, Verein für Socialpolitik / German Economic Association.
    4. Thomas J. Carter, 2017. "Optimal Interbank Regulation," Staff Working Papers 17-48, Bank of Canada.

    More about this item

    JEL classification:

    • D53 - Microeconomics - - General Equilibrium and Disequilibrium - - - Financial Markets
    • D82 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Asymmetric and Private Information; Mechanism Design
    • D86 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Economics of Contract Law

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