1. Center for Forecasting Science, Academy of Mathematics and Systems Science, Chinese Academy of Sciences, Beijing, China
2. School of Economics and Management, and MOE Social Science Laboratory of Digital Economic Forecasts and Policy Simulation, University of Chinese Academy of Sciences, Beijing, China
3. Department of Finance at School of Economics, Wang Yanan Institute for Studies in Economics, Xiamen University, Xiamen, China
4. China School of Banking and Finance, University of International Business and Economics, Beijing, China
5. School of Economics and Management, University of Chinese Academy of Sciences, Beijing, China