Systemic bank runs without aggregate risk: How a misallocation of liquidity may trigger a solvency crisis

Lukas Altermatt, Hugo van Buggenum and Lukas Voellmy

Journal of Financial Economics, 2024, vol. 161, issue C

Abstract: We develop a general equilibrium model of self-fulfilling bank runs. The key novelty is the way in which the banking system’s assets and liabilities are connected. Banks issue loans to entrepreneurs who sell goods to households, which in turn pay for the goods by redeeming bank deposits. The return on bank assets is thus contingent on households being able to withdraw their deposits. In a run, not all households that wish to consume manage to withdraw, since part of banks’ cash reserves end up in the hands of households without consumption needs. This misallocation of liquidity lowers revenues of entrepreneurs and bank asset returns, thereby rationalising the run. Interventions that restrict redemptions in a run can be self-defeating due to their negative effect on demand in goods markets. We show how runs can sometimes be prevented with combinations of deposit freezes and redemption penalties as well as with the provision of emergency liquidity.

Keywords: Fragility; Deposit freezes; Emergency liquidity (search for similar items in EconPapers)
JEL-codes: E4 E5 G2 (search for similar items in EconPapers)
Date: 2024
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Working Paper: Systemic bank runs without aggregate risk: how a misallocation of liquidity may trigger a solvency crisis (2022)
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Persistent link: https://EconPapers.repec.org/RePEc:eee:jfinec:v:161:y:2024:i:c:s0304405x24001521

DOI: 10.1016/j.jfineco.2024.103929

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