1. School of Economics, Southwestern University of Finance and Economics, Chengdu, People’s Republic of China
2. School of Public Policy and Administration, Chongqing University, Chongqing, People’s Republic of China
3. Center for Public Economics & Public Policy, Chongqing University, Chongqing, People’s Republic of China
4. School of Public Administration, Southwest Minzu University, People’s Republic of China
5. Research Institute of Social Development, Southwestern University of Finance and Economics, Chengdu, Sichuan, People's Republic of China