Milner has written extensively on issues related to international trade, domestic politics and foreign policy, globalization and regionalism, and the relationship between democracy and trade policy. She authored Resisting Protectionism: Global Industries and the Politics of International Trade (1988) and Interests, Institutions and Information (1997), as well as dozens of scholarly articles. She is general editor of International Library of Writings on the New Global Economy, and co-edited Political Science: The State of the Discipline III (2002), Interests, Institutions and Information: Domestic Politics and International Relations (1997), The Political Economy of Economic Regionalism (1997), Internationalization and Domestic Politics (1996). She is currently working on the political economy of foreign aid, the global diffusion of the internet, the relationship between globalization and environmental policy, and related issues in the ethics of North-South relations. She also directs a joint research project on transatlantic relations with Prof. Michel Girard of the University of Paris, a joint colloquium and graduate training group on international political economy with Harvard University's Department of Government, and various research projects. Until 2004, she taught at Columbia University. PhD. Harvard.