1. Department of Information Systems & Management Engineering, Southern University of Science and Technology, Shenzhen 518055, China;
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. Tuck School of Business, Dartmouth College, Hanover, New Hampshire 03755;
4. Krannert School of Management, Purdue University, West Lafayette, Indiana 47907