Unemployment differentials are bigger in Europe than in the United States. Migration responds to unemployment differentials, though the response is smaller in Europe. Mundell (1961) argued that factor mobility is a precondition for a successful currency union. We use a multi-country DSGE model...

We exploit differences across U.S. states in terms of their exposure to trade to study the effects of changes in the exchange rate on economic activity at the business cycle frequency. We find that a depreciation in the state-specific trade-weighted real exchange rate is associated with an...