1. John Maze Stewart Department of Finance and Quantitative Methods, Gatton College of Business and Economics, University of Kentucky, Lexington, Kentucky 40506;
2. Jindal School of Management, University of Texas at Dallas, Dallas, Texas 75080;
3. Ross School of Business, University of Michigan, Ann Arbor, Michigan 48109;
4. Scheller College of Business, Georgia Institute of Technology, Atlanta, Georgia 30308