In this paper we analyze the impact of uncertainty shocks on the Brazilian economy. We use a general equilibrium model in such a way that the transmission channels of the shocks could be identified and we solve the model using a third order approximation for the policy functions since lower...

What are the effects of beliefs, sentiment, and uncertainty, over the business cycle? To answer this question, we develop a behavioral New Keynesian macroeconomic model, in which we relax the assumption of rational expectations. Agents are, instead, boundedly rational: they have a...

This paper investigates the effects of uncertainty on the macro economy by replicating its micro effects on individual subjective beliefs. In our model, the representative household has smooth ambiguity preferences and is uncertain about which scenario the economy will be in the next period:...