We consider a random matching model without monetary exchange where agents have complete access to each others' histories. Exchange is motivated by risk sharing given random unobservable incomes. The key feature of this environment is that information is mobile across locations even while goods...

We construct a model with private information in which consumers write dynamic contracts with financial intermediaries. A role for money arises due to random limited participation of consumers in the financial market. Without defection constraints, a Friedman rule is optimal, the mean and...

Analysis of randomized experiments with missing covariate and outcome data is problematic because the population parameters of interest are not identified unless one makes untestable assumptions about the distribution of the missing data. This paper shows how population parameters can be bounded...