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CBDC as imperfect substitute to bank deposits: a macroeconomic perspective

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  • Perazzi, Elena
  • Bacchetta, Philippe

Abstract

The impact of Central Bank Digital Currency (CBDC) is analyzed in a closed-economy model with monopolistic competition in banking and where CBDC is an imperfect substitute with bank deposits. The design of CBDC is characterized by its interest rate, its substitutability with bank deposits, and its relative liquidity. We examine how interest-bearing CBDC would affect the banking sector, public finance, GDP and welfare. Welfare may improve through three channels: seigniorage; a lower opportunity cost of money; and a redistribution away from bank owners. In our numerical analysis we find a maximum welfare improvement of 60 bps in consumption terms.

Suggested Citation

  • Perazzi, Elena & Bacchetta, Philippe, 2022. "CBDC as imperfect substitute to bank deposits: a macroeconomic perspective," MPRA Paper 115574, University Library of Munich, Germany.
    • Handle: RePEc:pra:mprapa:115574
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    Cited by:

    1. Muñoz, Manuel A. & Soons, Oscar, 2023. "Public money as a store of value, heterogeneous beliefs, and banks: implications of CBDC," Working Paper Series 2801, European Central Bank.
    2. Lorenzo Burlon & Manuel A. Muñoz & Frank Smets, 2024. "The Optimal Quantity of CBDC in a Bank-Based Economy," American Economic Journal: Macroeconomics, American Economic Association, vol. 16(4), pages 172-217, October.
    3. Michael Kumhof & Marco Pinchetti & Phurichai Rungcharoenkitkul & Andrej Sokol, 2023. "CBDC Policies in Open Economies," PIER Discussion Papers 205, Puey Ungphakorn Institute for Economic Research.
    4. Ozili, Peterson K, 2023. "Central bank digital currency and bank earnings management using loan loss provisions," MPRA Paper 116412, University Library of Munich, Germany.
    5. Magin, Jana Anjali & Neyer, Ulrike & Stempel, Daniel, 2023. "The macroeconomic effects of different CBDC regimes in an economy with a heterogeneous household sector," DICE Discussion Papers 396, Heinrich Heine University Düsseldorf, Düsseldorf Institute for Competition Economics (DICE).
    6. Magin, Jana & Neyer, Ulrike & Stempel, Daniel, 2023. "The Macroeconomic Effects of Different CBDC Regimes in an Economy with a Heterogeneous Household Sector," VfS Annual Conference 2023 (Regensburg): Growth and the "sociale Frage" 277656, Verein für Socialpolitik / German Economic Association.

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    More about this item

    Keywords

    CBDC; welfare; substitutability;
    All these keywords.

    JEL classification:

    • E5 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit

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