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Parallel Digital Currencies and Sticky Prices

Author

Listed:
  • Harald Uhlig
  • Taojun Xie

Abstract

The rise of digital currencies may result in domestic parallel currencies. Their exchange rate shocks will present a new challenge for monetary policy. We analyze these issues in a New Keynesian framework, where firms can set prices in one of the available currencies. Price rigidity translates a one-time appreciation of a parallel currency into persistent redistribution towards the dollar sector output and inflation. The persistence lasts longer if the central bank targets “dollar”-sector inflation, rather than inflation across all currency sectors. An increase in dollar price rigidity may lead to a decrease rather than an increase of the non-dollar sector.

Suggested Citation

  • Harald Uhlig & Taojun Xie, 2020. "Parallel Digital Currencies and Sticky Prices," NBER Working Papers 28300, National Bureau of Economic Research, Inc.
    • Handle: RePEc:nbr:nberwo:28300
    Note: EFG IFM ME
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    Cited by:

    1. Pietro Cova & Alessandro Notarpietro & Patrizio Pagano & Massimiliano Pisani, 2022. "Monetary policy in the open economy with digital currencies," Temi di discussione (Economic working papers) 1366, Bank of Italy, Economic Research and International Relations Area.
    2. Ikeda, Daisuke, 2025. "Digital money as a medium of exchange and monetary policy in open economies," Macroeconomic Dynamics, Cambridge University Press, vol. 29, pages 1-1, January.
    3. Eun Young Oh & Shuonan Zhang, 2022. "Informal economy and central bank digital currency," Economic Inquiry, Western Economic Association International, vol. 60(4), pages 1520-1539, October.
    4. Karau, Sören, 2023. "Central bank digital currency competition and the impossible trinity," Finance Research Letters, Elsevier, vol. 54(C).
    5. Fuchs Max & Michaelis Jochen, 2023. "Is a Secondary Currency Essential? – On the Welfare Effects of a New Currency," Journal of Economics and Statistics (Jahrbuecher fuer Nationaloekonomie und Statistik), De Gruyter, vol. 243(2), pages 153-167, April.
    6. Magin, Jana Anjali & Neyer, Ulrike & Stempel, Daniel, 2025. "Cash or Cache? Distributional and business cycle implications of CBDC holding limits," Journal of International Financial Markets, Institutions and Money, Elsevier, vol. 101(C).
    7. Max Fuchs & Jochen Michaelis, 2022. "Is a Secondary Currency Essential? – On the Welfare Effects of a New Currency," MAGKS Papers on Economics 202205, Philipps-Universität Marburg, Faculty of Business Administration and Economics, Department of Economics (Volkswirtschaftliche Abteilung).

    More about this item

    JEL classification:

    • E30 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - General (includes Measurement and Data)
    • E52 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Monetary Policy

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