is William R. Kenan Jr. Professor of Economics at Northwestern University. He is Co-Director of the Center for the Study of Industrial Organization at Northwestern. He is a Fellow and a former President of the Econometric Society, a Fellow of the American Academy of Arts and Sciences, a Fellow of the Game Theory Society, and the 2009 Distinguished Fellow of the Industrial Organizaiton Society. Robert Porter’s primary field is industrial organization. He has conducted research on theoretical and empirical studies of collusion, price wars, and bidders’ behavior in auctions. His research includes studies of the federal auctions of offshore oil and gas leases, and of procurement auctions for highway construction and for school milk. He has been a consultant for the U.S. Department of Justice and the Canadian Bureau of Competition on several merger reviews. He has also consulted with Public Works Government Services Canada on methods for detecting collusion in procurement auctions.