1. Spears School of Business, Oklahoma State University, Stillwater, Oklahoma 74078;
2. Rawls College of Business, Texas Tech University, Lubbock, Texas 79424;
3. King’s Business School, King’s College London, London WC2B 4BG, United Kingdom;
4. Vienna University of Economics and Business, 1020 Wien, Austria;
5. Kellogg School of Management, Northwestern University, Evanston, Illinois 60208