Daniel Klein, Cato Institute Adjunct Scholar, is a Professor of Economics at George Mason University. Dr. Klein’s research has been published in, among others, the Journal of Economic Literature, Journal of Economic Behavior and Organization, Eastern Economic Journal, Constitutional Political Economy, Economic Inquiry, Journal of Transport Economics and Policy, Journal of Economic History, and the Harvard Journal of Law and Public Policy. His popular writings have appeared in Investors Business Daily, USA Today, and the Chronicle of Higher Education. Klein has edited and co‐​edited four books, including What Do Economists Contribute?, The Half Life of Policy Rationales, Reputation: Studies in the Voluntary Elicitation of Good Conduct, and Curb Rights: A Foundation for Free Enterprise in Urban Transit.