We compare international monetary arrangements that differ in the degree of both policy activism and exchange rate flexibility in a model with policy credibility, nominal wage rigidities and unobservable shocks. Three results stand out. First, the selection of the exchange rate regime is less...

We examine the implications of a regional fixed exchange rate regime for global exchange rate volatility. We find that the concept of the optimum currency area plays a key role. There are significant effects on the volatility of the remaining flexible parities when the countries participating in...