This article studies the repayment of regional debt in a multiregion economy with a central authority: Who pays the obligation issued by a region? With commitment, the central government will use its economy-wide taxation power in support of its objective to smooth distortionary taxes and...

Diamond and Dybvig provide a model of intermediation in which deposit insurance can avoid socially undesirable bank runs. We extend the Diamond-Dybvig model to evaluate the costs and benefits of deposit insurance in the presence of moral hazard by banks and monitoring by depositors. We find that...

The provision of product warranties when the exit of firms is possible is an example of a more general contracting proble m without full commitment. When firms cannot precommit to future mark et participation, they can exit if continued participation is not profitable, thereby avoiding...

In contrast to Mundell's inquiry on the optimality of currency areas, this article aims to understand under what circumstances a Pareto-dominant monetary union will be established. Using a multicountry overlapping generations model, we highlight gains from monetary union arising from reduced...