When countries decide to coordinate and form a coalition, an outsider country can take advantage of the situation and gain more than an insider, hence creating a free-rider problem that could threaten the stability of the coalition. But as far as the Euro zone is concerned, the emphasis put on...

Dans les débats sur la zone Euro et son élargissement, l’accent est souvent mis sur le problème de l’hétérogénéité entre les pays. Mais les difcultés à se coordonner ne provi- ennent pas nécessairement de la disparité entre les pays, tout au moins si le nombre de pays est...

The literature on currency crisis has generally not answered to the following question: which economic policies may reduce the contagion effects of a speculative shock? We use a dynamic Mundell-Fleming model extended to four countries and compute three time-consistent equilibria: a Nash...

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Using a four-country Mundell–Fleming model including portfolio and wealth effects, we explore the question whether some types of policy coordination could improve the outcomes of a financial shock like the Asian crisis. Time-consistent equilibria are computed : a Nash equilibrium, a target...