We present empirical evidence on the forces driving real exchange rates in the long run. Using data from three industrialised countries, across different exchange rate regimes, we find support for the hypothesis that productivity and fiscal shocks matter. However, in some cases fiscal shocks...

We estimate forward-looking interest-rate rules for five large OECD economies, allowing for time variation in the responses to macroeconomic conditions and in the variance of the policy rate. Conventional constant-parameter reaction functions likely blur the impact of i) model uncertainty, ii)...