Participants:

Paul Krugman, Nobel Prize-winning economist, New York Times columnist, and distinguished professor at the Graduate Center.

David Autor, leading labor economist; professor at MIT, where he directs the School Effectiveness and Inequality Initiative; and editor in chief of the Journal of Economic Perspectives.

Brad DeLong, economics professor at U.C. Berkeley; weblogger for the Washington Center for Equitable Growth; and former U.S. deputy assistant secretary of the treasury, in the Clinton administration.

Anne Harrison, professor at the Wharton School, University of Pennsylvania; former director of development policy at the World Bank; and author of Globalization and Poverty.