As economic integration among nations emerges as the dominant mechanism affecting trade patterns, the global economy is rapidly evolving into a patchwork of regional blocs. International trade is no longer the exclusive domain of sovereign states; its sources are increasingly found at the supernational level, while its impacts are more and more felt in subnational regions. In addition, the increase in freer economic policies all over the globe has so undermined national authority that regional economies are inevitably opened up to international trade. In this volume, David Hayward considers...