Empirical evidence on the relationship between technology shocks and e.g. hours worked hinges crucially on the identification of the unobservable technological progress. In this paper, we study different measures of technology in order to find out (i) to what extent they capture the same...

Continuos credibility effects are incorporated into a simple model of optimal monetary policy. The resulting model provides explanations for a number of "folk theorems" about credibility in monetary policy. A central bank with low initial credibility pursues a more restrictive policy than a...