1. Department of Management and Organizations, Stern School of Business, New York University, New York, New York 10012
2. Department of “Scienze Aziendali,” University of Bologna, 40126 Bologna, Italy; and Cass Business School, City University London, London EC1Y 8BZ, United Kingdom
3. Department of Business Administration and Law, University of Calabria, 87036 Rende (CS), Italy; and SDA Bocconi School of Management, 20136 Milan, Italy