Assuming that asset markets are complete and arbitrage-free, the exchange rate can be expressed in terms of observables in a multicountry, multigood general equilibrium economy. In contrast to existing models of the exchange rate, this general model allows for international differences in...

We propose a stylized exchange rate model based on diversity and weight of opinion. Our model departs from standard assumptions in that we allow for heterogeneous agents. We show that such a model can explain both the observed volatility and the persistence of real and nominal exchange rate...