Charles Clotfelter is Z. Smith Reynolds Professor of Public Policy and Professor of Economics and Law at Duke University and a research associate in the National Bureau of Economic Research. His research has covered the economics of education, public finance and state lotteries; tax policy and charitable behavior; and policies related to the nonprofit sector. His previous books on higher education are Buying the Best: Cost Escalation in Elite Higher Education (1996) and (with Ronald Ehrenberg, Malcolm Getz and John Siegfried) Economic Challenges in Higher Education (1991). His most recent book...