1. The Fuqua School of Business, Duke University, 1 Towerview Drive, Durham, NC 27708.
2. The Eitan Berglas School of Economics, Tel Aviv University, POB 39040, Ramat Aviv, Tel Aviv 69978, Israel.
3. Graduate School of Business, Columbia University, 710 Uris Hall, 3022 Broadway, New York, NY 10027.