1. International Institutions and Economic Integration. Dimensions of Institutional Variation. Explanations for Institutional Variation. Economic Integration and Institutional Variation. Three Conventional Views of International Institutions -- 2. Global Institutions and Deeper Integration. GATT: Institutional Evolution and Trade Liberalization. Uruguay Round Agenda and the Evolution of GATT Institutions. The IMF: Financial Integration, Rules, and Coordination. Global Regulatory Regimes in an Era of Market Integration and Liberalization. Global Economic Institutions and Economic Integration -- 3. Variation in Regional Institutions. European Union: The Institutional Logic of Deeper Integration. Regional Free-Trade Agreements and Institutional Variation -- 4. Conclusion. Change in Institutional Dimensions. Dynamics of Institutional Variation: Knowledge-Driven and Interest-Driven Accounts. Evaluating International Institutions -- Comments / Robert O. Keohane.