[1] Chinese Acad Sci, Ctr Energy & Environm Policy Res, Inst Sci & Dev, Beijing 100190, Peoples R China
[2] Univ Chinese Acad Sci, Sch Publ Policy & Management, Beijing 100049, Peoples R China
[3] Beihang Univ, Sch Econ & Management, Beijing 100191, Peoples R China