1. Morton L. and Carole S. Olshan Professor of Economics, Harvard University, Cambridge, Massachusetts.
2. James S. Reid, Jr., Professor of Law, Harvard Law School, Harvard University, Cambridge, Massachusetts.
3. Aetna Professor of Public Policy and Corporate Management, Harvard Kennedy School, Harvard University, Cambridge, Massachusetts.
4. Sylvan C. Coleman Professor of Financial Management, Harvard Business School, Harvard University, Cambridge, Massachusetts.