Three surveys of exchange rate expectations allow us to measure directly the expected rates of return on yen versus dollars. Expectations of yen appreciation against the dollar have been (1) consistently large, (2) variable, and (3) greater than the forward premium, implying that investors were...

Tests of rational expectations in foreign exchange markets have been inconclusive because of disagreement over the underlying asset pricing model. This paper uses a newly available set of data on foreign exchange forecasts to examine directly expectations formation in four foreign currency...

A large body of literature has failed to find conclusive evidence that the expectations theory of the term structure holds in U.S. data. This paper asks more narrowly whether the theory holds conditional on an exogenous change in monetary policy. We argue that previous work on the expectation...

The notion of asset market efficiency -- that market prices "fully reflect" all available information -- requires the operation of mechanisms that rapidly incorporate new information into asset prices. Particularly problematic -- both theoretically and empirically -- has been the case where new...

Even though pieces of empirical evidence individually may corroborate an economic theory, their joint existence may refute that same theory. We discuss examples concerning testing for omitted variables, simultaneity, and rational expectations in the context of general-to-simple versus...