When I wrote my book on EMU four years ago (Kenen 1995), very little had been written on the international dimensions of EMU. There was a chapter in the Commission's path-breaking study (European Commission, 1990). There were papers by Alogoskoufis and Portes (1991, 1992), Cooper (1992),...

This book deals with the economic consequences of monetary integration, which has long been dominated by the Optimal Currency Area (OCA) paradigm. In this model, money is perceived as having developed from a private sector cost minimization process to facilitate transactions. Not surprisingly,...