1. School of Economics and Management University of Chinese Academy of Sciences Beijing China
2. Research Center on Fictitious Economy and Data Science Chinese Academy of Sciences Beijing China
3. Key Laboratory of Big Data Mining and Knowledge Management Chinese Academy of Sciences Beijing China
4. School of Economics and Management, University of Chinese Academy of Sciences MOE Social Science Laboratory of Digital Economic Forecasts and Policy Simulation at UCAS Beijing China
5. School of Mathematical Sciences University of Chinese Academy of Sciences Beijing China
6. School of Economics and Management Beijing University of Posts and Telecommunications Beijing China