JED FRIEDMAN is a Lead economist in the Development Research Group (Poverty and Inequality Team) at the World Bank. His research interests include the measurement of poverty dynamics and the interactions between poverty and health and his recent articles have appeared in the Review of Economics and Statistics, the Journal of Development Economics, and the American Journal of Public Health, among others. Jed's current work involves investigating the effectiveness of malaria control programs in India, Nigeria, and Zambia; national health financing reforms in Kyrgyzstan, Zambia, and Zimbabwe; and conditional cash transfers in the Philippines. Jed holds a B.A. in Philosophy from Stanford University and a Ph.D. in Economics from the University of Michigan.