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Optimal Monetary Policy in an Open Economy

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  • Peter J. Stemp
  • Stephen J. Turnovsky

Abstract

This paper analyzes the optimal intertemporal tradeoff between inflation and output in an open economy under perfect foresight. The announcement of the optimal plan may, or may not, generate an initial jump in the exchange rate. That depends upon the real adjustment costs, which such unanticipated changes impose on the economy. In the case that such jumps occur, the question of time consistency of the optimal policy arises. A time consistent solution is obtained provided: (i) the policy maker is not too myopic; (ii) the adjustment costs associated with the jump in the exchange rate are of an appropriate form. The optimal monetary rule is derived and properties of this rule, as well as the overall optimal adjustment of the economy are discussed.

Suggested Citation

  • Peter J. Stemp & Stephen J. Turnovsky, 1986. "Optimal Monetary Policy in an Open Economy," NBER Working Papers 2018, National Bureau of Economic Research, Inc.
    • Handle: RePEc:nbr:nberwo:2018
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    References listed on IDEAS

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    1. Boyer, Russell S, 1978. "Optimal Foreign Exchange Market Intervention," Journal of Political Economy, University of Chicago Press, vol. 86(6), pages 1045-1055, December.
    2. Dornbusch, Rudiger, 1976. "Expectations and Exchange Rate Dynamics," Journal of Political Economy, University of Chicago Press, vol. 84(6), pages 1161-1176, December.
    3. Cox, W. Michael, 1980. "Unanticipated money, output, and prices in the small economy," Journal of Monetary Economics, Elsevier, vol. 6(3), pages 359-384, July.
    4. Turnovsky, Stephen J. & Brock, William A., 1980. "Time consistency and optimal government policies in perfect foresight equilibrium," Journal of Public Economics, Elsevier, vol. 13(2), pages 183-212, April.
    5. Kamien, Morton I. & Schwartz, Nancy L., 1971. "Sufficient conditions in optimal control theory," Journal of Economic Theory, Elsevier, vol. 3(2), pages 207-214, June.
    6. Kydland, Finn E & Prescott, Edward C, 1977. "Rules Rather Than Discretion: The Inconsistency of Optimal Plans," Journal of Political Economy, University of Chicago Press, vol. 85(3), pages 473-491, June.
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    Cited by:

    1. Turnovsky, Stephen J & Basar, Tamer & d'Orey, Vasco, 1988. "Dynamic Strategic Monetary Policies and Coordination in Interdependent Economies," American Economic Review, American Economic Association, vol. 78(3), pages 341-361, June.
    2. Reinhard Neck & Engelbert Dockner, 1995. "Commitment and coordination in a dynamic game model of international economic policy-making," Open Economies Review, Springer, vol. 6(1), pages 5-28, January.

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