This paper provides an overview of recent papers which use estimated New Keynesian models to study the extent to which fiscal policy can be used to stabilize the economy. We use a variety of different New Keynesian models, estimated on data for both the US and for the Euro area, and highlight...

Policymakers often use the output gap, a noisy signal of economic activity, as a guide for setting monetary policy. Noise in the data argues for policy caution. At the same time, the zero bound on nominal interest rates constrains the central bank's ability to stimulate the economy during...

We estimate a New Keynesian DSGE model for the Euro area under alternative descriptions of monetary policy (discretion, commitment or a simple rule) after allowing for Markov switching in policy-maker preferences and shock volatilities. This reveals that there have been several changes in...