1. Department of Economics, University at Albany, State University of New York, Albany, New York 12222;
2. Antai College of Economics and Management, Shanghai Jiao Tong University, Shanghai 200030, China;
3. School of Economics and Management, University of Chinese Academy of Sciences, Beijing 100190, China;
4. Research Center on Fictitious Economy and Data Science, Chinese Academy of Sciences, Beijing 100190, China