The COVID-19 pandemic is an unprecedented worldwide event with a massive impact on the economic system. The first Western country that had to face the COVID-19 crisis was Italy, which therefore represents a natural “case study.” By using the microdata and granular policy information...

Uncertainty is a challenge for monetary policy. This paper introduces model uncertainty into a behavioral New Keynesian DSGE framework to derive robust optimal monetary policies. We consider two potential forms of agents’ heterogeneity, which refer to two mechanisms of expectation formation...