David McKenzie is a Lead Economist in the Development Research Group at the World Bank. He received his B.Com.(Hons)/B.A. from the University of Auckland, New Zealand and his Ph.D. in Economics from Yale University. Prior to joining the World Bank, he spent four years as an assistant professor of Economics at Stanford University. His main research is on migration, enterprise development, and methodology for use with developing country data. He has conducted field experiments in more than 25 countries throughout Asia, Africa, Latin America, Eastern Europe, the Middle East and the Pacific, and published 150 articles in journals that include the American Economic Review, Quarterly Journal of Economics, Review of Economic Studies, Journal of Political Economy, Science, and all leading development journals. He is currently on the editorial boards of the Journal of Development Economics, the World Bank Economic Review, and Migration Studies. He is also a co-founder and regular contributor to the Development Impact blog.