While the European Monetary Union (EMU) is now a real ity, debate among economists nonetheless continues about the design and desirability of monetary unions.Since an essential element of a monetary union is the delegation of monetary power to a single centralized entity, one of the key issues...

This paper explores the gains to monetary union. We consider a two-country overlapping generations model. Agents work when young and have random tastes over the composition (domestic vs. foreign goods) of old age consumption. In equilibrium, governments require that local currncy be used for...