1. College of Economics, Jinan University, Guangzhou, Guangdong, 510632, China.
2. Tyndall Centre for Climate Change Research, University of East Anglia, Norwich, NR4 7TJ, UK.
3. Belfer Center for Science and International Affairs, Harvard University, Cambridge, MA 02138, USA.
4. School of Economics, Southwestern University of Finance and Economics, Chengdu, Sichuan, 611130, China.
5. Economic Research Centre, Nagoya University, Nagoya, Aichi Prefecture, 464-0814, Japan.
6. Hubei University of Economics, Wuhan, 430205, China.