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Can Currency Competition Work?

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  • Fernández-Villaverde, Jesús
  • Sanches, Daniel

Abstract

Can competition among privately issued fiat currencies such as Bitcoin or Ethereum work? Only sometimes. To show this, we build a model of competition among privately issued fiat currencies. We modify the current workhorse of monetary economics, the Lagos-Wright environment, by including entrepreneurs who can issue their own fiat currencies in order to maximize their utility. Otherwise, the model is standard. We show that there exists an equilibrium in which price stability is consistent with competing private monies, but also that there exists a continuum of equilibrium trajectories with the property that the value of private currencies monotonically converges to zero. These latter equilibria disappear, however, when we introduce productive capital. We also investigate the properties of hybrid monetary arrangements with private and government monies, of automata issuing money, and the role of network effects.

Suggested Citation

  • Fernández-Villaverde, Jesús & Sanches, Daniel, 2016. "Can Currency Competition Work?," CEPR Discussion Papers 11095, C.E.P.R. Discussion Papers.
  • Handle: RePEc:cpr:ceprdp:11095
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    Cited by:

    1. Geromichalos, Athanasios & Herrenbrueck, Lucas, 2016. "The Strategic Determination of the Supply of Liquid Assets," MPRA Paper 71454, University Library of Munich, Germany.
    2. Schilling, Linda & Uhlig, Harald, 2019. "Some simple bitcoin economics," Journal of Monetary Economics, Elsevier, vol. 106(C), pages 16-26.
    3. Jonathan Chiu & Thorsten V. Koeppl, 2017. "The Economics Of Cryptocurrencies - Bitcoin And Beyond," Working Paper 1389, Economics Department, Queen's University.
    4. Geromichalos, Athanasios & Herrenbrueck, Lucas, 2016. "The Strategic Determination of the Supply of Liquid Assets," MPRA Paper 71454, University Library of Munich, Germany.
    5. Benigno, Pierpaolo, 2019. "Monetary Policy in a World of Cryptocurrencies," CEPR Discussion Papers 13517, C.E.P.R. Discussion Papers.
    6. Julien Prat & Benjamin Walter, 2018. "An Equilibrium Model of the Market for Bitcoin Mining," CESifo Working Paper Series 6865, CESifo Group Munich.
    7. Barrdear, John & Kumhof, Michael, 2016. "The macroeconomics of central bank issued digital currencies," Bank of England working papers 605, Bank of England.
    8. Jesús Fernández‐Villaverde, 2018. "Cryptocurrencies: A Crash Course in Digital Monetary Economics," Australian Economic Review, The University of Melbourne, Melbourne Institute of Applied Economic and Social Research, vol. 51(4), pages 514-526, December.
    9. Rahman, Adib J., 2018. "Deflationary policy under digital and fiat currency competition," Research in Economics, Elsevier, vol. 72(2), pages 171-180.
    10. Rick Bohte & Luca Rossini, 2019. "Comparing the Forecasting of Cryptocurrencies by Bayesian Time-Varying Volatility Models," Journal of Risk and Financial Management, MDPI, Open Access Journal, vol. 12(3), pages 1-18, September.
    11. Luca Marchiori, 2018. "Monetary theory reversed: Virtual currency issuance and miners’ remuneration," BCL working papers 115, Central Bank of Luxembourg.
    12. Rodney Garratt & Neil Wallace, 2018. "Bitcoin 1, Bitcoin 2, ....: An Experiment In Privately Issued Outside Monies," Economic Inquiry, Western Economic Association International, vol. 56(3), pages 1887-1897, July.
    13. Raphael Auer, 2019. "Beyond the Doomsday Economics of “Proof-of-Work” in Cryptocurrencies," Globalization Institute Working Papers 355, Federal Reserve Bank of Dallas, revised 01 Feb 2019.
    14. Julien Prat & Walter Benjamin, 2017. "An Equilibrium Model of the Market for Bitcoin Mining," Working Papers 2017-15, Center for Research in Economics and Statistics.
    15. Julián A. Parra & Carlos Arango & Joaquín Bernal & José E. Gómez & Javier Gómez & Carlos León & Clara Machado & Daniel Osorio & Daniel Rojas & Nicolás Suárez & Eduardo Yanquen, 2019. "Criptoactivos: análisis y revisión de literatura," Revista ESPE - Ensayos sobre Política Económica, Banco de la Republica de Colombia, issue 92, pages 1-37, November.
    16. Milutinovic, Monia, 2018. "Cryptocurrency," Ekonomika, Journal for Economic Theory and Practice and Social Issues, Society of Economists Ekonomika, Nis, Serbia, vol. 64(1), March.
    17. Gronwald, Marc, 2019. "Is Bitcoin a Commodity? On price jumps, demand shocks, and certainty of supply," Journal of International Money and Finance, Elsevier, vol. 97(C), pages 86-92.
    18. Nils Herger, 2019. "Unregulated and regulated free banking. The case of Switzerland reinterpreted," Working Papers 19.06, Swiss National Bank, Study Center Gerzensee.
    19. Antonakakis, Nikolaos & Chatziantoniou, Ioannis & Gabauer, David, 2019. "Cryptocurrency market contagion: Market uncertainty, market complexity, and dynamic portfolios," Journal of International Financial Markets, Institutions and Money, Elsevier, vol. 61(C), pages 37-51.
    20. Markus K. Brunnermeier & Harold James & Jean-Pierre Landau, 2019. "The Digitalization of Money," NBER Working Papers 26300, National Bureau of Economic Research, Inc.
    21. Waknis, Parag, 2017. "Competitive Supply of Money in a New Monetarist Model," MPRA Paper 75401, University Library of Munich, Germany.
    22. Almosova, Anna, 2018. "A Monetary Model of Blockchain," Annual Conference 2018 (Freiburg, Breisgau): Digital Economy 181502, Verein für Socialpolitik / German Economic Association.
    23. Claus Dierksmeier & Peter Seele, 2018. "Cryptocurrencies and Business Ethics," Journal of Business Ethics, Springer, vol. 152(1), pages 1-14, September.
    24. Hendrickson, Joshua R. & Luther, William J., 2017. "Banning bitcoin," Journal of Economic Behavior & Organization, Elsevier, vol. 141(C), pages 188-195.
    25. Stylianos Asimakopoulos & Marco Lorusso & Francesco Ravazzolo, 2019. "A New Economic Framework: A DSGE Model with Cryptocurrency," Working Papers No 07/2019, Centre for Applied Macro- and Petroleum economics (CAMP), BI Norwegian Business School.

    More about this item

    Keywords

    cryptocurrencies; currency competition; Monetary policy; Private money;

    JEL classification:

    • E40 - Macroeconomics and Monetary Economics - - Money and Interest Rates - - - General
    • E42 - Macroeconomics and Monetary Economics - - Money and Interest Rates - - - Monetary Sytsems; Standards; Regimes; Government and the Monetary System
    • E52 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Monetary Policy

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