1. College of Environmental Science and Engineering, Nankai University, Tianjin, People’s Republic of China
2. Research Center for Resource, Energy and Environmental Policy, Nankai University, Tianjin, People’s Republic of China
3. Institute for Environmental Studies (IVM), Vrije Universiteit Amsterdam, Amsterdam, The Netherlands
4. Chinese Academy for Environmental Planning, Beijing, People’s Republic of China
5. Institute of Economics, Nankai University, Nankai Qu, People’s Republic of China