During the fifteen years since 1970, the theory of exchange-rate determination has been completely transformed. In the late 1960s, the standard model of the foreign exchange market had supply and demand as stable functions of exports and imports, with the expection that a floating rate would...

This paper provides a framework for analyzing the effects of symmetric and asymmetric changes in information about risk on equilibrium real interest rate spreads across countries. Following the literature on parameter uncertainty, improvements in information are modeled as reductions in...