1. Institute of Industrial Economics, School of Finance and Economics, Jiangsu University, Zhenjiang 212013, Jiangsu, China
2. School of Management, China University of Mining & Technology (Beijing), Beijing 100083, China
3. School of Economics and Business Management, Chongqing University, Shazhengjie 174, Chongqing 400040, China
4. Jingjiang College, Jiangsu University, Zhenjiang 212013, Jiangsu, China
5. Institute of Environmental Sciences (CML), Leiden University, Leiden 2333 CC, The Netherlands