Economic agents undertake actions to protect themselves from the short-run impact of foreign exchange rate fluctuations: Nominal goods prices are set in consumers' currencies, and firms hedge foreign exchange risk. A model is presented here which shows that these features of the economy can lead...

Standard models of exchange rates, based on macroeconomic variables such as prices, interest rates, output, etc., are thought by many researchers to have failed empirically. We present evidence to the contrary. First, we emphasize the point that "beating a random walk" in forecasting is too...