Was the high inflation of the 1970s mostly due to incomplete information about the structure of the economy (an unavoidable mistake as suggested by Orphanides, 2000)? Or, to weak reaction to expected inflation and/or excessive policy activism that led to indeterminacies (a policy mistake, a...

The Great Recession, and the fiscal response to it, has revived interest in the size of fiscal multipliers. Standard business cycle models have difficulties generating multipliers greater than one. And they also cannot produce any significant state-dependence in the size of the multipliers over...

We develop a methodology that allows DSGE models to capture the empirical content of informational frictions while bypassing the computational challenges that come with conventional formalizations of such frictions. We apply this methodology in the context of an RBC model augmented with a type...