1. School of Economics and Management, University of Science and Technology Beijing, Beijing 100083 China (e-mail: liukai_w@163.com; Wangliukai1@ustb.edu.cn).
2. York Management School, University of York YO10 5DD, York U.K. (e-mail: fu.jia@york.ac.uk).
3. International Business School, Xi'an Jiaotong-Liverpool University, Suzhou 215123 China (e-mail: lujie.chen@xjtlu.edu.cn).
4. School of Management, Hefei University of Technology, Hefei 230009 China (e-mail: xuqifa@hfut.edu.cn).