We propose a rational model of endogenous cycles generated by the two-way interaction between credit market sentiments and real outcomes. Sentiments are high when most lenders optimally choose lax lending standards. This leads to low interest rates and high output growth, but also to the...

We propose a model where investors hire fund managers to invest either in risky bonds or in riskless assets. Some managers have superior information on the default probability. Looking at the past performance, investors update beliefs on their managers and make firing decisions. This leads to...

We investigate the heterogeneous boom and bust patterns across countries that emerge as a result of global shocks. Our analysis sheds light on the emergence of core and periphery countries, and the joint determination of the depth of recessions and tightness of credit markets across countries....

We develop a continuous-time model of liquidity provision, in which hedgers can trade multiple risky assets with arbitrageurs. Arbitrageurs have CRRA utility, while hedgers' asset demand is independent of wealth. An increase in hedgers' risk aversion can make arbitrageurs endogenously more...

We develop a dynamic model of trading and investment with limited aggregate resources to study investment cycles. Unverifiable idiosyncratic investment opportunities imply market prices to play a role of rent distribution, distorting private investment incentives from a social point of view....