Carla Norrlof is an associate professor of political science at the University of Toronto, where she researches international cooperation with a special focus on great powers, and in particular, U.S. hegemony. She is the author of “America’s Global Advantage: US Hegemony and International Cooperation,” and her works on cooperation, hegemony, and the international political economy of trade, investment, and conflict have been published widely, including in the Cambridge University Press, MIT Press, and Oxford University Press. A Swedish national, born in Addis Ababa, Norrlof has lived in Stockholm, Gaborone, New York, Paris, Geneva, and Toronto.