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When Does Coordination Pay?

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  • Miller, Marcus
  • Salmon, Mark

Abstract

In a continuous time model of two symmetric open economies, with a floating exchange rate, we find that the pay-off to the policy coordination depends systematically on the heterogeneity of their inflation experience. While monetary policy coordination improves welfare when there is a common rate of underlying inflation, it exacerbates the `time-consistency' problem arising when there are differences. Since the principle of `certainty equivalence' applies to time-consistent policy in linear quadratic models, we are also able to give a stochastic interpretation of the deterministic results.

Suggested Citation

  • Miller, Marcus & Salmon, Mark, 1990. "When Does Coordination Pay?," CEPR Discussion Papers 425, C.E.P.R. Discussion Papers.
  • Handle: RePEc:cpr:ceprdp:425
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    References listed on IDEAS

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    1. Miller, Marcus H, 1985. "Monetary Stabilization Policy in an Open Economy," Scottish Journal of Political Economy, Scottish Economic Society, vol. 32(3), pages 220-233, November.
    2. Currie, David & Holtham, Gerald & Hughes, Gordon, 1989. "The Theory and Practice of International Policy Coordination: Does Coordination Pay?," CEPR Discussion Papers 325, C.E.P.R. Discussion Papers.
    3. Dornbusch, Rudiger, 1976. "Expectations and Exchange Rate Dynamics," Journal of Political Economy, University of Chicago Press, vol. 84(6), pages 1161-1176, December.
    4. Miller, Marcus & Salmon, Mark, 1985. "Dynamic Games and the Time Inconsistency of Optimal Policy in Open Economies," Economic Journal, Royal Economic Society, vol. 95(380a), pages 124-137, Supplemen.
    5. Levine, Paul & Currie, David, 1987. "The design of feedback rules in linear stochastic rational expectations models," Journal of Economic Dynamics and Control, Elsevier, vol. 11(1), pages 1-28, March.
    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. Currie, David & Levine, Paul L & Vidalis, Nic, 1987. "International Cooperation and Reputation in an Empirical Two-Bloc Model," CEPR Discussion Papers 198, C.E.P.R. Discussion Papers.
    8. Levine, Paul & Currie, David, 1987. "Does International Macroeconomic Policy Coordination Pay and Is It Sustainable?: A Two Country Analysis," Oxford Economic Papers, Oxford University Press, vol. 39(1), pages 38-74, March.
    9. Daniel Cohen & Philippe Michel, 1988. "How Should Control Theory Be Used to Calculate a Time-Consistent Government Policy?," Review of Economic Studies, Oxford University Press, vol. 55(2), pages 263-274.
    10. 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. Keshab Bhattarai & Sushanta K. Mallick, 2015. "Macroeconomic policy coordination in the global economy: VAR and BVAR-DSGE analyses," Working Paper series 15-01, Rimini Centre for Economic Analysis.
    2. Lockwood, Ben, 1996. "Uniqueness of Markov-perfect equilibrium in infinite-time affine-quadratic differential games," Journal of Economic Dynamics and Control, Elsevier, vol. 20(5), pages 751-765, May.

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