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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.

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  • 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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    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. 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.
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    7. Dornbusch, Rudiger, 1976. "Expectations and Exchange Rate Dynamics," Journal of Political Economy, University of Chicago Press, vol. 84(6), pages 1161-1176, December.
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    9. Gilles Oudiz & Jeffrey Sachs, 1985. "International Policy Coordination in Dynamic Macroeconomic Models," NBER Chapters, in: International Economic Policy Coordination, pages 274-330, National Bureau of Economic Research, Inc.
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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.
    3. António Caleiro, 2006. "On the Synchronisation of Elections: A Differential Games Approach," Economics Working Papers 05_2006, University of Évora, Department of Economics (Portugal).
    4. Antonio Caleiro, 2011. "On the Electoral Dimension of International Policy Coordination," International Journal of Finance, Insurance and Risk Management, International Journal of Finance, Insurance and Risk Management, vol. 1(3), pages 103-103.

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