Lawfor a FlatWorld: LegalInfrastructureandtheNewEconomyGillian K. Hadfield*University of Southern Californ ia School of Lawand Department of EconomicsFebruary 2010* Kirtland Professor of Lawand Professor of Economics. I am deeply grateful to many colleaguesand practitioners who have contributed to this work. In particular, many thanks to HarveyAnderson, Jonathan Anschell, Mark Chandler, Jim Cooper, Mitch Gaynor, Ramsey Homsany, RobertaKatz, Paul Lippe, Rosemary Martin and Kent Walker fortheir extraordinary generosity with theirtime and experiences; this work would not have been possible without them. I am also verygrateful to participants in the Leading Legal Innovation Conference which met in San Diego inDecember 2008 and my co‐organizer Stephen Burbank, and to those who gave me very helpfulcomments on earlier versions of this work in presentations or discussions: Yochai Benkler, StephenBenson, John Seely Brown, Iva Bozovic, John Clippinger, John Coates, Bob Cooter, Peter Harris, BillHenderson, Bob Litan, Siobhan O’Mahoney, Larry Ribstein, George Triantis, participants in theSouthern California Innovation Project’s Roundtable on Collaboration and in workshops at theCenter for Advanced Study in the Behavioral Sciences at Stanford, the Atheneum Club in London,the Berkman Center for Internet and Society at Harvard University, the University of SouthernCalifornia Law School andthe University of Michigan Law School. I am also deeply grateful to theKauffman Foundation, the Mellon Foundation, the Center for Advanced Study in the BehavioralSciences and USC Law School fortheir generous support of this research. Michelle Lubey providedsuperb research assistance.