We propose a theory of unsecured debt that is based on the existence of private information about a person's type and on the fact that some debtors have the incentive to forego bankruptcy in order to signal their type. The theory formalizes the idea that the type of a person is relevant to...

In this paper we address the time-inconsistency of optimal debt policy—the incentive for a current government to “manipulate interest ratesâ€â€”raised in Lucas and Stokey’s celebrated 1983 paper. The literature that followed suggested various ways to fully overcome...

We revisit the issue of the usefulness of Social Security when there are frictions that prevent the existence of a fluid market for annuities. We model households as families and not as individual agents which provides a rationale for the existence of life insurance. Moreover, our structure also...