pregnancy in Peru. He has a B.A. in social anthropology from the Catholic University of Peru, a postgraduate diploma in rural development studies from Cambridge University, and M.Sc. in demography from the London School of Economics and Political Sciences.


NAN MARIE ASTONE is an associate professor in the Department of Population and Family Health Sciences at Johns Hopkins University, where her work has concentrated on the sociology of adolescence and the demography of life course transitions. She currently serves on the National Research Council and Institute of Medicine’s Committee on Adolescent Health and Development. Her research has concentrated on teenage childbearing in the United States, particularly the relationship between teenage childbearing and family and community background factors and the influence of teenage pregnancy and childbearing on education and work of adolescents. In addition to her work on transitions to adulthood, Astone’s research addresses child health in the United States and abroad. She has a Ph.D. from the University of Chicago.


KAUSHIK BASU is professor of economics and C. Marks professor of international studies at Cornell University. Prior to his work at Cornell, he was professor of economics at the Delhi School of Economics and has served as a visiting professor at a number of universities, including Princeton University, Stockholm University, the London School of Economics, and Harvard University, and was recently a visiting fellow in the office of senior vice president of development economics at the World Bank. His work focuses on development economics and he has written extensively on a number of topics, including inequality, international debt, and various labor issues including child labor. In addition to his academic activities, he publishes a monthly column in India Today on economic issues and has had articles and book reviews in several other leading English newspapers and magazines. He has a Ph.D. from the London School of Economics.


JERE R. BEHRMAN is the William R. Kenan, Jr. professor of economics at the University of Pennsylvania, where he has been on the faculty since 1965. His research interests include empirical micro economics, economic development, labor economics, human resources, economic demography, and household behaviors. He has worked as a research consultant with numerous national and international organizations, including the World Bank, the Asian Development Bank, and the Inter-American Development Bank. He has been the principal investigator or co-principal investigator on numerous research projects, has lectured widely in the United States and abroad, and has been involved in professional research or lecturing activities in over 40 countries in Asia, Africa, Europe, and Latin America and the



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