This paper estimates a small New-Keynesian model with imperfect information and optimal discretionary policy using data for the euro area. The model is used to assess the usefulness of monetary aggregates and unit labour costs as information variables for monetary policy. The estimates reveal...

This paper characterizes endogenous monetary policy when policymakers are uncertain about the extent to which movements in output and inflation are due to changes in potential output or to cyclical demand and cost shocks. We refer to this informational limitation as the �information...