Mario Luis Small of Princeton University. Alford Young, Jr., of the University of Michigan. John Hartigan, Jr., from the University of Texas at Austin. Discussant: Ann Chih Lin of the University of Michigan.

Helen Levy, University of Chicago Harris School of Public Policy and NPC Visiting Scholar. Read What do People Buy When They Don't Buy Health Insurance, and What Does That Say About Why They Are Uninsured?

Mary Pattillo, Associate Professor of Afroamerican Studies and Sociology, Northwestern University. 

Robert Plotnick , Professor of Public Affairs and Adjunct Professor of Economics, University of Washington. Read Seven Decades of Nonmarital Childbearing in the United States.

Larry Katz, Elisabeth Allison Professor of Economics, Harvard University. Read Youth Criminal Behavior in the Moving to Opportunity Experiment.

Jacob Klerman, Senior Economist, RAND. Read Why Did the Welfare Caseload Decline?

Steve Raphael, Goldman School of Public Policy, University of California, Berkeley. Read "Evaluating the Effectiveness of the Massachusetts Workforce Development System Using No-Shows as a Non-Experimental Comparison Group."

Geoffrey Wallace, Assistant Professor of Economics and Public Affairs, Robert M. La Follette School of Public Affairs, University of Wisconsin-Madison. Read the Haveman-Wallace paper. (pdf)

Glenn Loury, University Professor and Professor of Economics at Boston University. Read Color-Blind Affirmative Action.

John Ayanian and Michael McWilliams, Harvard Medical School.