1. The University of Chicago Booth School of Business, 5807 South Woodlawn Avenue, Chicago, IL 60637.
2. Anderson School of Management, University of California at Los Angeles, Box 951477, Los Angeles, CA 90095.
3. Department of Finance, Stern School of Business, New York University, 44 W. 4th Street, New York, NY 10012.
4. Department of Finance, MIT Sloan School of Management, and Bank of France, E52–436, 50 Memorial Drive, Cambridge, MA 02142.