1. School of Finance, Chongqing Technology and Business University, Chongqing, People’s Republic of China
2. Big Data Research Center, University of Electronic Science and Technology of China, Chengdu, People’s Republic of China
3. Chongqing Lvyouyun Information Technology Co., Ltd., Chongqing, People’s Republic of China
4. Business School, Southwest University of Political Science and Law, Chongqing, People’s Republic of China