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Dynamic Banking and the Value of Deposits

Author

Listed:
  • Patrick Bolton
  • Ye Li
  • Neng Wang
  • Jinqiang Yang

Abstract

We propose a dynamic theory of banking where the role of deposits is akin to that of productive capital in the classical q-theory of investment. As a cheap source of leverage, deposits typically create value for banks, but the marginal q of deposits can be negative. Deposit accounts commit banks to accept any inflows and outflows, so that banks cannot perfectly control leverage. Such uncertainty destroys value when banks have insufficient equity capital to buffer shocks. Our model lends itself to a re-evaluation of leverage regulations and offers new perspectives on banking in a low interest-rate environment.

Suggested Citation

  • Patrick Bolton & Ye Li & Neng Wang & Jinqiang Yang, 2020. "Dynamic Banking and the Value of Deposits," NBER Working Papers 28298, National Bureau of Economic Research, Inc.
    • Handle: RePEc:nbr:nberwo:28298
    Note: AP CF EFG
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    Cited by:

    1. Haufler, Andreas & Lülfesmann, Christoph, 2022. "Voluntary Equity, Project Risk, and Capital Requirements," Rationality and Competition Discussion Paper Series 357, CRC TRR 190 Rationality and Competition.
    2. Dirk Niepelt, 2020. "Monetary Policy with Reserves and CBDC: Optimality, Equivalence, and Politics," Working Papers 20.05, Swiss National Bank, Study Center Gerzensee.
    3. Polina Popova & Maria Semenova & Vladimir Sokolov, 2023. "Covid-19 And Retail Depositor Strategies In Russian Regions: Whether To Withdraw And Why?," HSE Working papers WP BRP 92/FE/2023, National Research University Higher School of Economics.
    4. Gersbach, Hans & Zelzner, Sebastian, 2022. "Why Bank Money Creation?," CEPR Discussion Papers 17753, C.E.P.R. Discussion Papers.
    5. Dirk Niepelt, 2024. "Money and Banking with Reserves and CBDC," Journal of Finance, American Finance Association, vol. 79(4), pages 2505-2552, August.
    6. Gan, Liu & Xia, Xin & Zhang, Hai, 2022. "Debt structure and debt overhang," Journal of Corporate Finance, Elsevier, vol. 74(C).
    7. Jermann, Urban & Xiang, Haotian, 2023. "Dynamic banking with non-maturing deposits," Journal of Economic Theory, Elsevier, vol. 209(C).
    8. Althanns, Markus & Gersbach, Hans, 2023. "The Monetary Policy Haircut Rule," CEPR Discussion Papers 18228, C.E.P.R. Discussion Papers.
    9. Xia, Xin & Gan, Liu, 2021. "Financing with equity-for-guarantee swaps and dynamic investment under incomplete markets," Economic Modelling, Elsevier, vol. 98(C), pages 349-360.
    10. Liu Gan & Chong Wang, 2021. "Option‐for‐guarantee swaps and flexible investment opportunities," International Review of Finance, International Review of Finance Ltd., vol. 21(4), pages 1286-1301, December.
    11. Gianni De Nicolo & Nataliya Klimenko & Sebastian Pfeil & Jean-Charles Rochet, 2021. "The Long-Term Effects of Capital Requirements," Swiss Finance Institute Research Paper Series 21-52, Swiss Finance Institute.
    12. Srivastava, Nikhil & Mohanty, Praveen Kumar & Kesari, Nidhi, 2025. "Financial inclusion and bank stability: Evidence from the Indian banking system," Economics Letters, Elsevier, vol. 250(C).
    13. Peter M. Demarzo & Zhiguo He, 2021. "Leverage Dynamics without Commitment," Journal of Finance, American Finance Association, vol. 76(3), pages 1195-1250, June.

    More about this item

    JEL classification:

    • E44 - Macroeconomics and Monetary Economics - - Money and Interest Rates - - - Financial Markets and the Macroeconomy
    • G21 - Financial Economics - - Financial Institutions and Services - - - Banks; Other Depository Institutions; Micro Finance Institutions; Mortgages
    • G32 - Financial Economics - - Corporate Finance and Governance - - - Financing Policy; Financial Risk and Risk Management; Capital and Ownership Structure; Value of Firms; Goodwill

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