I show that, due to imperfect risk sharing, aggregate shocks to uncertainty about idiosyncratic return on investment generate economic contractions with elevated risk premia and a decrease in the risk-free rate. I present a tractable real business cycle model in which firms experience...

Using U.S. data from 1929 to 2013, we show that elevated credit-market sentiment in year t-2 is associated with a decline in economic activity in years t through t+2. Underlying this result is the existence of predictable mean reversion in credit-market conditions. That is, when our sentiment...