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Investment externalities, bank liquidity creation, and bank failures

Author

Listed:
  • Diemo Dietrich

    (University of Greifswald)

  • Uwe Vollmer

    (University of Leipzig)

Abstract

Recent evidence suggests that banks are interconnected through investment externalities among their borrowers. We study how such investment externalities affect the ability of unregulated, competitive banks to facilitate risk sharing among bank depositors, adapting a canonical model of banks as creators of liquidity subject to fundamental risks to bank returns. Failures occur when banks become insolvent. We find that investment externalities render fundamental risks to bank returns endogenous, risk sharing among depositors inefficient, probabilities of bank failures too high, and payouts to depositors in the event of a bank failure too low. These effects arise because productivity is too low in the presence of investment externalities. Minimum liquidity standards and bank bailouts dampen productivity further.

Suggested Citation

  • Diemo Dietrich & Uwe Vollmer, 2024. "Investment externalities, bank liquidity creation, and bank failures," Journal of Economics, Springer, vol. 141(2), pages 137-162, March.
    • Handle: RePEc:kap:jeczfn:v:141:y:2024:i:2:d:10.1007_s00712-023-00846-7
    DOI: 10.1007/s00712-023-00846-7
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    More about this item

    Keywords

    Insolvency risk; Aggregate productivity; Bank bailouts;
    All these keywords.

    JEL classification:

    • G21 - Financial Economics - - Financial Institutions and Services - - - Banks; Other Depository Institutions; Micro Finance Institutions; Mortgages
    • G28 - Financial Economics - - Financial Institutions and Services - - - Government Policy and Regulation
    • G33 - Financial Economics - - Corporate Finance and Governance - - - Bankruptcy; Liquidation
    • O47 - Economic Development, Innovation, Technological Change, and Growth - - Economic Growth and Aggregate Productivity - - - Empirical Studies of Economic Growth; Aggregate Productivity; Cross-Country Output Convergence

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