Jilin University, College of Construction Engineering, affiliation not provided to SSRN and Independent

School of Advanced Agricultural Sciences, Peking University, Chinese Academy of Sciences - Center for Chinese Agricultural Policy, University of California, Davis, Sun Yat-sen University (SYSU) - State Key Laboratory of Ophthalmology, Shaanxi Normal University, Renmin University of China, Chinese Academy of Social Sciences (CASS) - Rural Development Institute, Independent, Stanford University - Freeman Spogli Institute for International Studies and Stanford University - Freeman Spogli Institute of International Studies