(1. School of Business, Zhengzhou University, Zhengzhou 450001, China;2. School of Business Administration, Dongbei

University of Finance & Economics, Dalian 116025, China; 3. School of Economics and Business Administration,

Chongqing University, Chongqing 400030, China; 4. School of Economics and Management, Tsinghua University,

Beijing100084, China;5. Research Center for Technological Innovation, Tsinghua University, Beijing 100084, China)