Christiaan Grootaert is Lead Economist in the Social Development Department at the World Bank, and Manager of the Social Capital Initiative. His research centres on the measurement and analysis of poverty, risk and vulnerability, education and labour markets, child labour, and the role of institutions and social capital in development, in Africa, Asia, the Middle East and Eastern Europe. Recent publications include The Policy Analysis of Child Labor: A Comparative Study (with H. Patrinos) and Poverty and Social Assistance in Eastern Europe and the Former Soviet Union (with J. Braithwaite and B. Milanovic). He is co-author of the World Development Report 2000-2001: Attacking Poverty, and has contributed articles to various journals, including the Journal of Development Economics, Journal of Development Studies, World Development and Journal of African Economies. Thierry van Bastelaer is the Director of the Integrated Financial Services Team at the IRIS Center at the University of Maryland. As a political economist, he has designed and implemented programs in a number of areas of economic development, including policy reform for private sector growth, legal and regulatory reform for microfinance, policy priorities for electronic commerce, small enterprise development, and corruption. His research is centered around the political economy of reform, social capital and microfinance. His articles have been published in several journals, including Public Choice, and he has worked extensively in South Asia.