1. School of Management and Economics, Beijing Institute of Technology, Beijing, China
2. Center for Energy and Environmental Policy Research, Beijing Institute of Technology, Beijing, China
3. School of Humanities and Social Science, Beijing Institute of Technology, Beijing, China
4. Department of Business Administration, Ilma University, Karachi, Pakistan
5. Yangtze Delta Region Academy of Beijing Institute of Technology, Jiaxing, China
6. Sustainable Development Research Institute for Economy and Society of Beijing, Beijing, China