We examine the forecasting performance of standard macro models of exchange rates in real time, using dozens of different vintages of the OECDs Main Economic Indicators database. We calculate out-of-sample forecasts as they would have been made at the time, and compare them to a random walk...

"It is well known that augmenting a standard linear regression model with variables that are correlated with the error term but uncorrelated with the original regressors will increase asymptotic efficiency of the original coefficients. We argue that in the context of predicting excess returns,...