1. Tehua Postdoctoral Programme, Beijing 100029, China
2. Institute of Finance & Banking, CASS, Beijing 100710, China
3. National Academy of Economic Strategy, CASS, Beijing 100006, China
4. Institute of Geographic Sciences and Natural Resources Research, CAS, Beijing 100101, China
5. School of Management, Tianjin University of Technology, Tianjin 300384, China
6. Economic Research Center, Shandong University of Finance and Economics, Jinan 250014, China