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Currency Areas And Monetary Coordination


  • Qing Liu
  • Shouyong Shi


We integrate a monetary search model into open-economy macro to analyze the gains from coordinating on inflation. Search frictions and local congestion lead to a determinate exchange rate between two currencies. Relative prices deviate from the law of one price. Because the deviations depend on the cross-country differential in money growth, each country is tempted to inflate to exploit the deviations. Policy coordination reduces inflation and improves welfare for all countries. In contrast to traditional models, the gains from coordination continue to exist even after each country optimally sets a direct tax on the foreign use of the country's currency. Copyright (2010) by the Economics Department of the University of Pennsylvania and the Osaka University Institute of Social and Economic Research Association.

Suggested Citation

  • Qing Liu & Shouyong Shi, 2010. "Currency Areas And Monetary Coordination," International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 51(3), pages 813-836, August.
  • Handle: RePEc:ier:iecrev:v:51:y:2010:i:3:p:813-836

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    References listed on IDEAS

    1. Head, Allen & Shi, Shouyong, 2003. "A fundamental theory of exchange rates and direct currency trades," Journal of Monetary Economics, Elsevier, vol. 50(7), pages 1555-1591, October.
    2. Camera, Gabriele & Craig, Ben & Waller, Christopher J., 2004. "Currency competition in a fundamental model of money," Journal of International Economics, Elsevier, vol. 64(2), pages 521-544, December.
    3. King, Robert G. & Wallace, Neil & Weber, Warren E., 1992. "Nonfundamental uncertainty and exchange rates," Journal of International Economics, Elsevier, vol. 32(1-2), pages 83-108, February.
    4. Maurice Obstfeld & Kenneth Rogoff, 2002. "Global Implications of Self-Oriented National Monetary Rules," The Quarterly Journal of Economics, Oxford University Press, vol. 117(2), pages 503-535.
    5. John Kareken & Neil Wallace, 1981. "On the Indeterminacy of Equilibrium Exchange Rates," The Quarterly Journal of Economics, Oxford University Press, vol. 96(2), pages 207-222.
    6. Rogoff, Kenneth, 1985. "Can international monetary policy cooperation be counterproductive?," Journal of International Economics, Elsevier, vol. 18(3-4), pages 199-217, May.
    7. Helpman, Elhanan, 1981. "An Exploration in the Theory of Exchange-Rate Regimes," Journal of Political Economy, University of Chicago Press, vol. 89(5), pages 865-890, October.
    8. Shouyong Shi, 1997. "A Divisible Search Model of Fiat Money," Econometrica, Econometric Society, vol. 65(1), pages 75-102, January.
    9. Shi Shougong, 1995. "Money and Prices: A Model of Search and Bargaining," Journal of Economic Theory, Elsevier, vol. 67(2), pages 467-496, December.
    10. Ruilin Zhou, 1997. "Currency Exchange in a Random Search Model," Review of Economic Studies, Oxford University Press, vol. 64(2), pages 289-310.
    11. Trejos, Alberto & Wright, Randall, 1995. "Search, Bargaining, Money, and Prices," Journal of Political Economy, University of Chicago Press, vol. 103(1), pages 118-141, February.
    12. Obstfeld, Maurice, 1998. " Open-Economy Macroeconomics: Developments in Theory and Policy," Scandinavian Journal of Economics, Wiley Blackwell, vol. 100(1), pages 247-275, March.
    13. Kiyotaki, Nobuhiro & Wright, Randall, 1993. "A Search-Theoretic Approach to Monetary Economics," American Economic Review, American Economic Association, vol. 83(1), pages 63-77, March.
    14. repec:hrv:faseco:34721962 is not listed on IDEAS
    15. Craig, Ben & Waller, C.J.Christopher J., 2004. "Dollarization and currency exchange," Journal of Monetary Economics, Elsevier, vol. 51(4), pages 671-689, May.
    16. Thomas F. Cooley & Vincenzo Quadrini, 2003. "Common Currencies vs. Monetary Independence," Review of Economic Studies, Oxford University Press, vol. 70(4), pages 785-806.
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    Cited by:

    1. Benjamin Eden, 2006. "International Seigniorage Payments," Vanderbilt University Department of Economics Working Papers 0622, Vanderbilt University Department of Economics.
    2. Li, Yiting & Matsui, Akihiko, 2009. "A theory of international currency: Competition and discipline," Journal of the Japanese and International Economies, Elsevier, vol. 23(4), pages 407-426, December.
    3. Zhang, Cathy, 2014. "An information-based theory of international currency," Journal of International Economics, Elsevier, vol. 93(2), pages 286-301.
    4. Shouyong Shi, 2006. "A Microfoundation of Monetary Economics," Working Papers tecipa-211, University of Toronto, Department of Economics.
    5. repec:dau:papers:123456789/12105 is not listed on IDEAS

    More about this item

    JEL classification:

    • F31 - International Economics - - International Finance - - - Foreign Exchange
    • C78 - Mathematical and Quantitative Methods - - Game Theory and Bargaining Theory - - - Bargaining Theory; Matching Theory


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