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Bank Runs, Fragility, and Credit Easing

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  • Manuel Amador
  • Javier Bianchi

Abstract

We present a tractable dynamic macroeconomic model of self-fulfilling bank runs. A bank is vulnerable to a run when a loss of investors' confidence triggers deposit withdrawals and leads the bank to default on its obligations. We analytically characterize how the vulnerability of an individual bank depends on macroeconomic aggregates and how the number of banks facing a run affects macroeconomic aggregates in turn. In general equilibrium, runs can be partial or complete, depending on aggregate leverage and the dynamics of asset prices. Our normative analysis shows that the effectiveness of credit easing and its welfare implications depend on whether a financial crisis is driven by fundamentals or by self-fulfilling runs.

Suggested Citation

  • Manuel Amador & Javier Bianchi, 2021. "Bank Runs, Fragility, and Credit Easing," NBER Working Papers 29397, National Bureau of Economic Research, Inc.
  • Handle: RePEc:nbr:nberwo:29397
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    Cited by:

    1. Collard, Fabrice & Boissay, Frédéric & Galì, Jordi & Manea, Cristina, 2021. "Monetary Policy and Endogenous Financial Crises," TSE Working Papers 21-1277, Toulouse School of Economics (TSE), revised Apr 2023.
    2. Mengus, Eric, 2023. "Asset purchase bailouts and endogenous implicit guarantees," Journal of International Economics, Elsevier, vol. 142(C).
    3. Javier Bianchi, 2022. "The Research Agenda: Javier Bianchi on Financial Crises and Prudential Policies," EconomicDynamics Newsletter, Review of Economic Dynamics, vol. 23(1), April.

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    More about this item

    JEL classification:

    • E44 - Macroeconomics and Monetary Economics - - Money and Interest Rates - - - Financial Markets and the Macroeconomy
    • E58 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Central Banks and Their Policies
    • F34 - International Economics - - International Finance - - - International Lending and Debt Problems
    • G01 - Financial Economics - - General - - - Financial Crises
    • G21 - Financial Economics - - Financial Institutions and Services - - - Banks; Other Depository Institutions; Micro Finance Institutions; Mortgages
    • G33 - Financial Economics - - Corporate Finance and Governance - - - Bankruptcy; Liquidation

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