1. Haskayne School of Business; University of Calgary; Calgary Alberta T2N 1N4 Canada
2. Research Center for Contemporary Management; Key Research Institute of Humanities and Social Sciences at Universities; School of Economics and Management; Tsinghua University; Beijing 100084 China
3. Department of Information Systems and Operations Management; University of Auckland; Business School; Auckland 1142 New Zealand
4. Owen Graduate School of Management; Vanderbilt University; Nashville Tennessee 37203 USA