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Equilibrium Exchange Rate Policies: Complicit Renegotiation-Proof Outcomes

Abstract : Countries can repeatedly and opportunistically renegotiate the terms of agreements to which they can only complicitly assent. Therefore, when attempting to coordinate exchange rate policies, they continuously play partnership games. We develop a reduced form model of exchange rate management where, as a starting point, (a) sequences of discrete realignments and (b) shared intervention are desirable. We show that the implementation of the ex-ante optimal policy suffers from severe time-inconsistencies. We analyse the Stackelberg equilibria of the stochastic differential game played by partner countries. We find that equilibrium complicit renegotiation-proof policies are supported by net cross-country wealth transfers from the weaker to the stronger bargaining power country. Our theoretical results provide a game-theoretic interpretation of the evolution of monetary arrangements in Europe and the emergence of EMU.
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https://hal-hec.archives-ouvertes.fr/hal-00597776
Contributor : Antoine Haldemann <>
Submitted on : Wednesday, June 1, 2011 - 8:42:16 PM
Last modification on : Friday, September 16, 2016 - 3:21:20 PM

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  • HAL Id : hal-00597776, version 1

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Pierre Mella-Barral, Paolo Vitale. Equilibrium Exchange Rate Policies: Complicit Renegotiation-Proof Outcomes. 2002. ⟨hal-00597776⟩

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