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Central bank digital currency and bank intermediation: medium of exchange vs. savings vehicle

Author

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  • Remo Nyffenegger

Abstract

This paper analyzes the effects of a retail central bank digital currency (CBDC) on bank intermediation within a general equilibrium model and provides a quantitative assessment. In the model, banks offer both transaction and savings deposits. This allows to study how a CBDC's impact varies based on its usage as a medium of exchange or as a savings vehicle. When a CBDC is used as a savings vehicle that competes with savings deposits, the level of disintermediation almost doubles compared to a scenario where the CBDC is used solely for transactions and competes only with transaction deposits.

Suggested Citation

  • Remo Nyffenegger, 2022. "Central bank digital currency and bank intermediation: medium of exchange vs. savings vehicle," ECON - Working Papers 409, Department of Economics - University of Zurich, revised Aug 2023.
    • Handle: RePEc:zur:econwp:409
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    References listed on IDEAS

    as
    1. Jonathan Chiu & Mohammad Davoodalhosseini & Janet Hua Jiang & Yu Zhu, 2019. "Bank Market Power and Central Bank Digital Currency: Theory and Quantitative Assessment," Staff Working Papers 19-20, Bank of Canada.
    2. Ricardo Lagos & Randall Wright, 2005. "A Unified Framework for Monetary Theory and Policy Analysis," Journal of Political Economy, University of Chicago Press, vol. 113(3), pages 463-484, June.
    3. Schilling, Linda & Fernández-Villaverde, Jesús & Uhlig, Harald, 2024. "Central bank digital currency: When price and bank stability collide," Journal of Monetary Economics, Elsevier, vol. 145(C).
    4. Agur, Itai & Ari, Anil & Dell’Ariccia, Giovanni, 2022. "Designing central bank digital currencies," Journal of Monetary Economics, Elsevier, vol. 125(C), pages 62-79.
    5. David Andolfatto, 2021. "Assessing the Impact of Central Bank Digital Currency on Private Banks," The Economic Journal, Royal Economic Society, vol. 131(634), pages 525-540.
    6. Judson, Ruth, 2017. "The Death of Cash? Not So Fast: Demand for U.S. Currency at Home and Abroad, 1990-2016," International Cash Conference 2017 – War on Cash: Is there a Future for Cash? 162910, Deutsche Bundesbank.
    7. Barrdear, John & Kumhof, Michael, 2016. "The macroeconomics of central bank issued digital currencies," Bank of England working papers 605, Bank of England.
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    Cited by:

    1. Mishra, Bineet & Prasad, Eswar, 2024. "A simple model of a central bank digital currency," Journal of Financial Stability, Elsevier, vol. 73(C).
    2. Jeremie Banet & Lucie Lebeau, 2022. "Central Bank Digital Currency: Financial Inclusion vs. Disintermediation," Working Papers 2218, Federal Reserve Bank of Dallas.

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    More about this item

    Keywords

    Central bank digital currency; bank lending; medium of exchange; savings vehicle; new monetarism; overlapping generations;
    All these keywords.

    JEL classification:

    • E42 - Macroeconomics and Monetary Economics - - Money and Interest Rates - - - Monetary Sytsems; Standards; Regimes; Government and the Monetary System
    • E50 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - General
    • E58 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Central Banks and Their Policies

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