We study how the presence of non-exclusive contracts limits the amount of insurance provided in a decentralized economy. We consider a dynamic Mirrleesian economy in which agents are privately informed about idiosyncratic labor productivity shocks. Agents sign privately observable insurance...

We study the quantitative properties of constrained e¢ cient allocations in an environ- ment where risk sharing is limited by the presence of private information. We consider a life cycle version of a standard Mirrlees economy where shocks to labor productiv- ity have a component that is public...

This paper studies implementation in a principal-agent model of adverse selection. We explore ways in which the additional structure of principal agent models (compared to general implementaion models) simplifies the implementation problem. We develop a connection between the single crossing...

This study investigates whether models of forward-looking behavior explain the observed patterns of heavy drinking and smoking of men in late middle age in the Health and Retirement Study better than myopic models. We develop and estimate a sequence of nested models which differ by their degree...