AB, Princeton University; MA, Johns Hopkins; DPhil, University of Oxford. Formerly: Vice-President, Brookings; Special Adviser to Executive Vice-President, Inter-American Development Bank; Visiting Fellow, Office of the Chief Economist, World Bank; Consultant to International Monetary Fund and Harvard Institute for International Development. Currently also: Senior Fellow, Brookings Institution; College Park Professor, School of Public Policy, University of Maryland; Research Fellow, Institute for the Study of Labor. Member of the editorial boards, several economics journals. Author of numerous books, most recently, Happiness around the World: The Paradox of Happy Peasants and Miserable Millionaires.