1. Business School, Sichuan University, Chengdu, Sichuan 610065, China
2. School of Business Administration, Southwestern University of Finance and Economics, Chengdu, Sichuan 611130, China
3. CAS Research Center on Fictitious Economy & Data Science, Chinese Academy of Sciences, Beijing 100190, China
4. Key Laboratory of Big Data Mining and Knowledge Management, Chinese Academy of Sciences, Beijing 100190, China