a1 Woodrow Wilson School of Public and International Affairs, Princeton University
This lecture was presented at the University of Sheffield on October 22, 2008, inaugurating the Graduate School of Politics; and at Oxford University on October 16, 2008. I have retained the lecture style for this publication, only making minor changes and additions in the text.
Robert O. Keohane is professor of international affairs, Princeton University. He is the author of After Hegemony: Cooperation and Discord in the World Political Economy (1984) and co-author of Designing Social Inquiry (1994). He won the Johan Skytte Prize in Political Science, 2005.