Roger D. Congleton is Professor of Economics and Senior Research Associate, Center for Study of Public Choice, at George Mason University, Fairfax, Virginia, where he has taught since 1988. His research focuses on the political economy of constitutions and public policy. Professor Congleton's most recent books include 40 Years of Research on Rent Seeking (two edited volumes, 2008), which surveys the theoretical and applied literatures on rent seeking; Democratic Constitutional Design and Public Policy (2006), which surveys the empirical literature on the effects of democratic constitutional de...