This paper uses a life cycle model to study the welfare implications of reforms to U.S. Disability Insurance (DI) while accounting for household self-insurance. In addition to crowding out the insurance value of DI, household self-insurance may drive negative selection into DI by reducing...

We examine transaction-level Peruvian import data to show that firms are subject to significant costs of port-of-entry delays. At the transaction level, we observe the time it takes a shipment to clear each step in the entry process. Our theory shows conditions under which observed entry times...