Institution: | 1.School of Information, Central University of Finance and Economics, Beijing, 100081, China ;2.National Academy of Economic Strategy, Chinese Academy of Social Sciences, Beijing, 100006, China ;3.School of Business, Minnan Normal University, Zhangzhou, 363000, China ;4.School of Economics and Management, East China Jiaotong University, Nanchang, 330013, China ; |