David Ellwood is the Scott M. Black Professor of Political Economy and director of the Malcolm Wiener Center for Social Policy at the Harvard Kennedy School. From 1993 to 1995, he was assistant secretary for planning and evaluation at the US Department of Health and Human Services, and he was cochair of President Clinton's Working Group on Welfare Reform, Family Support, and Independence. Ellwood is a labor economist who focuses on poverty, welfare, and family structure change. His work has been credited with significantly influencing public policy in the United States and abroad.
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