Is monetary policy less effective at stimulating investment during periods of elevated volatility (when all firms experience an increase in the variance of their productivity shocks) than during normal times? In this paper, I argue that elevated volatility leads to a decrease in extensive margin...

This paper lays down a model where dispersed information generates booms and busts in economic activity. Boom-and-bust dynamics start when firms are initially over-optimistic about demand due to an aggregate noise shock in their signals. Consequently, they over-produce, which generates a boom....

In this paper we analyze the implications of a persistent liquidity trap in a monetary model with asset scarcity. We show that a liquidity trap may lead to an increase in real cash holdings and be associated with a decline in output in the medium term. This medium-term impact is a supply-side...

Fear of risk provides a rationale for protracted economic downturns. We develop a real business cycle model where investors with decreasing relative risk aversion choose between a risky and a safe technology that exhibit decreasing returns. Because of a feedback effect from the interest rate to...