The paper evaluates the performance of three popular monetary policy rules when the central bank is learning aboutthe parameter values of a simple New Keynesian model. The three policies are: (1) the optimal non-inertial rule; (2)the optimal history-dependent rule; (3) the optimal price-level...

This paper studies an advantage of commitment over discretion when a central bankobserves only noisy measures of current inflation and output, in the context of an optimizingmodel with nominal-price stickiness. Under a commitment regime, if current policy turns outto be too expansionary...