Robert Hahn is a professor of economics at Manchester, senior visiting fellow at Oxford’s Smith School and senior fellow at the Georgetown Center for Business and Public Policy.

From 1999 to 2008, Dr. Hahn served as the Director of the AEI-Brookings Joint Center, a leader in policy research in law and economics, regulation and antitrust. Previously, he worked for U.S. President's Council of Economic Advisers, where he helped design the market-based cap-and-trade system for limiting smokestack sulfur emissions at minimum cost to industry. He also has served on the faculties of Harvard University and Carnegie Mellon University.

Dr. Hahn is a frequent contributor to leading scholarly journals including the American Economic Review, Science, and the Yale Law Journal, as well as to general-interest periodicals including The New York Times and He is also the co-founder of, a web portal on economic regulation. Dr. Hahn currently serves on the editorial boards of the Journal of Benefit-Cost Analysis, Policy and Internet, Review of Environmental Economics and Policy, and Regulation.