This paper investigates the nature of observed deviations from the unbiased expectations hypothesis in the forward foreign exchange market. If these deviations are due to risk premia then the same premia should be observed in nominal bonds denominated in different currencies. This condition imposes testable restrictions on the parameters of a mutivariate regression model. The empirical results are consistent with a world in which time varying risk premia cause the observed deviations from unbiased expectations.