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On the Equivalence of Private and Public Money

Author

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  • Markus K. Brunnermeier
  • Dirk Niepelt

Abstract

We develop a generic model of money and liquidity that identifies sources of liquidity bubbles and seignorage rents. We provide sufficient conditions under which a swap of monies leaves the equilibrium allocation and price system unchanged. We apply the equivalence result to the "Chicago Plan,'' cryptocurrencies, the Indian de-monetization experiment, and Central Bank Digital Currency (CBDC). In particular, we show why CBDC need not undermine financial stability.

Suggested Citation

  • Markus K. Brunnermeier & Dirk Niepelt, 2019. "On the Equivalence of Private and Public Money," NBER Working Papers 25877, National Bureau of Economic Research, Inc.
  • Handle: RePEc:nbr:nberwo:25877
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    Cited by:

    1. Raphael Auer & Rainer Boehme, 2020. "The technology of retail central bank digital currency," BIS Quarterly Review, Bank for International Settlements, March.
    2. Franklin Allen & Xian Gu & Julapa Jagtiani, 2020. "A Survey of Fintech Research and Policy Discussion," Working Papers 20-21, Federal Reserve Bank of Philadelphia, revised 28 May 2020.
    3. Xiaofan Li & Andrew B. Whinston, 2020. "Analyzing Cryptocurrencies," Information Systems Frontiers, Springer, vol. 22(1), pages 17-22, February.
    4. Christian Wipf, 2020. "Should Banks Create Money?," Diskussionsschriften dp2015, Universitaet Bern, Departement Volkswirtschaft.
    5. Alexis Derviz, 2019. "Coexistence of Physical and Crypto Assets in a Stochastic Endogenous Growth Model," Working Papers 2019/7, Czech National Bank.
    6. Mohammad Davoodalhosseini & Francisco Rivadeneyra & Yu Zhu, 2020. "CBDC and Monetary Policy," Staff Analytical Notes 2020-4, Bank of Canada.
    7. Paul Pichler & Martin Summer & Beat Weber, 2020. "Does digitalization require Central Bank Digital Currencies for the general public?," Monetary Policy & the Economy, Oesterreichische Nationalbank (Austrian Central Bank), issue Q4/19, pages 40-56.
    8. Aiste Juskaite & Sigitas Siaudinis & Tomas Reichenbachas, 2019. "CBDC – in a whirlpool of discussion," Bank of Lithuania Occasional Paper Series 29, Bank of Lithuania.
    9. Daniel R. Sanches, 2020. "Central Bank Digital Currency: Is It a Good Idea?," Economic Insights, Federal Reserve Bank of Philadelphia, vol. 5(2), pages 9-15, June.
    10. Benigno, Pierpaolo & Robatto, Roberto, 2019. "Private money creation, liquidity crises, and government interventions," Journal of Monetary Economics, Elsevier, vol. 106(C), pages 42-58.

    More about this item

    JEL classification:

    • E40 - Macroeconomics and Monetary Economics - - Money and Interest Rates - - - General
    • 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
    • E44 - Macroeconomics and Monetary Economics - - Money and Interest Rates - - - Financial Markets and the Macroeconomy
    • 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
    • G21 - Financial Economics - - Financial Institutions and Services - - - Banks; Other Depository Institutions; Micro Finance Institutions; Mortgages

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