Institution: | 1.College of Economics, Sichuan Agricultural University, Chengdu, 611130, Sichuan, People’s Republic of China ;2.Southwestern Poverty Reduction and Development Research Center, Sichuan Agricultural University, Chengdu, 611130, Sichuan, People’s Republic of China ;3.Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences, No. 2 Nengyuan Road, Guangzhou, 510640, People’s Republic of China ; |