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CBDC as Competitor for Bank Deposits and Cryptocurrencies

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  • Max Fuchs

    (University of Kassel)

Abstract

Private cryptocurrencies allow for payments without the need for a financial institution. These institutions, the central bank and retail banks, may thus observe a decline in the demand for their payments systems, i.e. cash and deposits. Using the monetary search model of Lagos and Wright (2005), we show that the central bank is able to tilt the playing field until it wins. By introducing an interest-bearing central bank digital currency (CBDC), the central bank is able to provide a payment system which is superior to cryptocurrencies. Miners cannot match the CBDC rate and go bankrupt. Retail banks, on the other hand, face lower profits but survive in the equilibrium. In addition, it can be welfare-improving to kick out cryptocurrencies by an interest-bearing CBDC.

Suggested Citation

  • Max Fuchs, 2022. "CBDC as Competitor for Bank Deposits and Cryptocurrencies," MAGKS Papers on Economics 202210, Philipps-Universität Marburg, Faculty of Business Administration and Economics, Department of Economics (Volkswirtschaftliche Abteilung).
    • Handle: RePEc:mar:magkse:202210
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    References listed on IDEAS

    as
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    Cited by:

    1. Max Fuchs, 2022. "Does a CBDC Reinforce Inefficiencies?," MAGKS Papers on Economics 202228, Philipps-Universität Marburg, Faculty of Business Administration and Economics, Department of Economics (Volkswirtschaftliche Abteilung).
    2. Ozili, Peterson K, 2023. "Assessing global and local interest in eNaira CBDC and cryptocurrency information: implications for financial stability," MPRA Paper 116978, University Library of Munich, Germany.

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    More about this item

    Keywords

    CBDC; cryptocurrencies; welfare analysis;
    All these keywords.

    JEL classification:

    • E41 - Macroeconomics and Monetary Economics - - Money and Interest Rates - - - Demand for Money
    • E42 - Macroeconomics and Monetary Economics - - Money and Interest Rates - - - Monetary Sytsems; Standards; Regimes; Government and the Monetary System
    • E51 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Money Supply; Credit; Money Multipliers
    • E52 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Monetary Policy
    • 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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