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Bank Market Power and Central Bank Digital Currency: Theory and Quantitative Assessment

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  • Jonathan Chiu
  • Seyed Mohammadreza Davoodalhosseini
  • Janet Jiang
  • Yu Zhu

Abstract

This paper develops a micro-founded general equilibrium model of payments to study the impact of a central bank digital currency (CBDC) on intermediation of private banks. If banks have market power in the deposit market, a CBDC can enhance competition, raising the deposit rate, expanding intermediation, and increasing output. A calibration to the US economy suggests that a CBDC can raise bank lending by 1.57% and output by 0.19%. These crowding-in effects remain robust, albeit with smaller magnitudes, after taking into account endogenous bank entry. We also assess the role of a non-interest-bearing CBDC as the use of cash declines.

Suggested Citation

  • Jonathan Chiu & Seyed Mohammadreza Davoodalhosseini & Janet Jiang & Yu Zhu, 2023. "Bank Market Power and Central Bank Digital Currency: Theory and Quantitative Assessment," Journal of Political Economy, University of Chicago Press, vol. 131(5), pages 1213-1248.
    • Handle: RePEc:ucp:jpolec:doi:10.1086/722517
    DOI: 10.1086/722517
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    Citations

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    Cited by:

    1. Katrin Assenmacher & Massimo Ferrari Minesso & Arnaud Mehl & Maria Sole Pagliari, 2024. "Managing the transition to central bank digital currency," Working Papers 803, DNB.
    2. Sebastian Infante & Kyungmin Kim & Anna Orlik & André F. Silva & Robert J. Tetlow, 2023. "Retail Central Bank Digital Currencies: Implications for Banking and Financial Stability," Finance and Economics Discussion Series 2023-072, Board of Governors of the Federal Reserve System (U.S.).
    3. Harald Uhlig, 2023. "Review Article: Eswar S. Prasad: How the Digital Revolution is Transforming Currencies and Finance," Business Economics, Palgrave Macmillan;National Association for Business Economics, vol. 58(4), pages 201-204, October.
    4. Carletti, Elena & Leonello, Agnese & Marquez, Robert, 2024. "Market power in banking," Working Paper Series 2886, European Central Bank.
    5. James A. Clouse, 2024. "A Field Guide to Monetary Policy Implementation Issues in a New World with CBDC, Stablecoin, and Narrow Banks," Finance and Economics Discussion Series 2024-001, Board of Governors of the Federal Reserve System (U.S.).

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