Edward D. Mansfield is associate professor of political science at Ohio State University. Helen V. Milner is professor of political science at Columbia University.

• Acknowledgments Contributors The Political Economy of Regionalism: An Overview, by Edward D. Mansfield and Helen V. Milner Regionalism in Asia and the Americas, by Stephen Haggard The Political Economy of Currency Regions, by Benjamin J. Cohen Industries, Governments, and the Creation of Regional Trade Blocs, by Helen V. Milner Regional Agreements as Clubs: The European Case, by Pier Carlo Padoan Dispute Settlement in International Trade: Regionalism and Procedural Coordination, by Beth V. Yarbrough and Robert M. Yarbrough Systematic Sources of Variation in Regional Institutionalization in Western Europe, East Asia, and the Americas, by Joseph M. Grieco The Political Economy of Major-Power Trade Flows, by Edward D. Mansfield and Rachel Bronson Regionalizing Europe's Security: The Case for a New Mitteleuropa, by Charles A. Kupchan Bibliography Index