We study the role of commitment in a version of the Diamond and Dybvig (JPE, 1983) model with no aggregate uncertainty. As is well known, the banking authority can eliminate the possibility of a bank run by committing to suspend payments to depositors if a run were to start. We show, however,...

We study the Green and Lin (2003) model of financial intermediation with two new features: traders may face a cost of contacting the intermediary, and consumption needs may be correlated across traders. We show that each feature is capable of generating an equilibrium in which some (but not all)...