Through a purely positive lens, we study and document the growing trend of mortgagors who skip mortgage payments as an extra source of "informal" unemployment insurance during the 2007 recession and the subsequent recovery. In a dynamic model, we capture this behavior by treating both...

What determines the technology that a country adopts? While there could be many factors, the efficiency of the country's financial system may play a significant role. To address this question, a dynamic contract model is embedded into a general equilibrium setting with competitive...

This paper analyzes and computes the equilibria of economies with large numbers of heterogeneous agents who have different asset trading technologies, preferences, and beliefs. We illustrate the value of our method by using it to evaluate the implications of these heterogeneities through several...