After Hegemony has had a huge impact on policy debates over the last three decades. Hegemony means the social, cultural, ideological, or economic influence of one dominant group, and Keohane asks if international cooperation can survive in the absence of a single superpower. His answer is yes: economic cooperation will not only survive, but thrive, thanks to the "complex interdependence" that exists in international economics, encompassing states and multinational corporations. Examining why and how international group such as the United Nations foster cooperation, Keohane finds that the idea of states or organizations working together is, in fact, more widespread than many had realized.