This note tests the hypothesis that nominal interest differentials between similar assets denominated in different currencies can be explained entirely by the expected change in the exchange rate over the holding period. This proposition, often called the "Fisher open" hypothesis or the...

This chapter discusses the dynamic behavior of exchange rates. It focuses on both the exchange rate's response to exogenous disturbances and the relation between exchange-rate movements and movements in such endogenous variables as nominal and relative prices, interest rates, output, and the...

A country's current-account balance over any time period is the increase in Residents' claims on foreign incomes or outputs, less the increase in similar foreign-owned claims on home income or output. Thus, in theory, the current account includes not only exports less imports (broadly defined to...

We show that the when one takes into account the global equilibrium ramifications of an unwinding of the US current account deficit, currently estimated at 5.4% of GDP, the potential collapse of the dollar becomes considerably larger--more than 50% larger--than our previous estimates (Obstfeld...