Out-of-sample forecasting accuracy is a frequently used criterion for evaluating models of exchange rate determination. This paper shows that both UIP and PPP produce better exchange rate forecasts at the ten-year horizon than a random walk without drift. There are two novelties relative to...

Empirical evidence on the cyclical behavior of technology shocks, or the relative importance of technology shocks versus other structural shocks as sources of fluctuations, hinges crucially on the identification of technological changes. In this paper, we study different measures of technology...