作者机构:[1]China Economics and Management Academy, Central University of Finance and Economics, Beijing 100081, P.R. China, [2]China Center for Agricultural Policy, School of Advanced Agricultural Sciences, Peking University, Beijing 100871, P.R, China, [3]Institute of Geographical Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, P.R. China, [4]School of Economics & Management, Beijing Forestry University, Beijing 100083, P.R. China
相关基金:The authors acknowledge the financial supports of the National Natural Sciences Foundation of China (71773150, 71273290 and 71333013) and GM Variety Development Special Program (2016ZX08015-001).