Prof. Wei Zhang College of Management and Economics, Tianjin University Email: weiz@tju.edu.cn Prof. Xiong Xiong College of Management and Economics, Tianjin University Email: xxpeter@tju.edu.cn Prof. Yongjie Zhang College of Management and Economics, Tianjin University Email: yjz@tju.edu.cn Prof. Xiaotao Zhang College of Management and Economics, Tianjin University Email: zxt@tju.edu.cn Prof. Yuelei Li College of Management and Economics, Tianjin University Email: liyuelei@tju.edu.cn Dr He Feng Institute of Finance and Development, Nankai University Email: feng_ac@163.com