1. University of Chicago Graduate School of Business, 5807 S. Woodlawn Ave., Chicago, IL 60637 and National Bureau of Economic Research and American Bar Association.
2. Cornell University, Department of Policy Analysis and Management, 120 Martha Van Rensselaer Hall, Ithaca, NY 14853.
3. University of Michigan Ross School of Business, 701 Tappan Street, Ann Arbor, MI 48109 and National Bureau of Economic Research.