[1] Peking Univ, Xi Jinping Inst Socialism Chinese Characterist New, Beijing, Peoples R China
[2] Jinan Univ, Inst Ind Econ, Guangzhou, Peoples R China
[3] Beijing Informat Sci & Technol Univ, Sch Econ & Management, Beijing, Peoples R China
[4] Peking Univ, Guanghua Sch Management, Beijing, Peoples R China
[5] Peking Univ, Key Lab Math Econ & Quantitat Finance, Minist Educ, Beijing, Peoples R China