A simple criterion based on the properties of the forecast error is presented to evaluate the accuracy of forecasts. The efficiency conditions of an optimization problem are used to show that under rational expectations the standard statistical conditions are necessary, but not sufficient to...

We study empirically daily French and German interest rate changes since the Basle-Nyborg agreement of September 1987. In particular, we ask whether the shock associated with German unification altered the degree of leadership of German monetary policy in the ERM. We conclude that Germany’s...