Economic integration is the most noteworthy development in international economic policy at the end of this century. Enthusiasm for the European Union has been infectuous. Yet, there are many aspects for the EU that still remain obscure and which warrant further careful scrutiny. The subject of...

Two approaches to the theory of OCA are distinguished in this paper. The first, called the marginalistic approach, attempts to define the OCA from the point of view of a single country, and the second examines the optimality of a currency area of a given membership. The marginalistic approach...