^* President, Corporate Financial Group, Chicago, IL. This paper summarizes a portion of research conducted as part of my Ph.D. dissertation at the University of Chicago. I am grateful for the valuable support of my Ph.D. dissertation committee members: Professors Gary Becker, Sam Peltzman, Sherwin Rosen and Mark Zmijewski. I also thank Stuart Hagan, now at the Congressional Budget Office, for his dedicated research assistance.