We examine the sources of macroeconomic fluctuations by estimating a variety of richly parameterized DSGE models within a unified framework that incorpo- rates regime switching both in shock variances and in the inflation target. We propose an efficient methodology for estimating...

Abstract. The stimulus effects of expansionary fiscal policy under average inflationtargeting (AIT) depends on both monetary and fiscal policy regimes. AITfeatures an inflation makeup under the monetary regime, but not under thefiscal regime. In normal times, AIT amplifies the short-run...