Kathryn E. Spier is the Domenico De Sole Professor of Law at the Harvard Law School and President Emeritus of the American Law and Economics Association. She received her PhD from MIT in 1989, and her BA in mathematics and economics from Yale in 1985. Before joining the Harvard Law School in 2007, she was for 13 years a professor in the Management and Strategy department at the Kellogg Graduate School of Management at Northwestern University and served as the Richard M. Paget Distinguished Professor. Before that, she served as assistant and associate professor in the Harvard Economics Department. Professor Spier is currently serving as a co-editor of the RAND Journal of Economics, an associate editor of the American Economic Review, and is a Research Associate in the Law and Economics Group of the National Bureau of Economic Research. She has published extensively in the areas of law and economics and industrial organization. Her areas of interest include the economics of litigation, contracts, tort law, antitrust, and business organization. Professor Spier’s current research on contracts and bargaining is supported by a grant from the National Science Foundation.