[Yang, Zhihai] Huazhong Agr Univ, Coll Econ & Management, Wuhan, Peoples R China.
[Yang, Zhihai] Huazhong Agr Univ, Res Inst Rural Vitalizat, Wuhan, Peoples R China.
[Yin, Ning] Hunan Agr Univ, Coll Econ, Changsha, Peoples R China.
[Mugera, Amin William] Univ Western Australia, Sch Agr & Resource Econ, Perth, WA, Australia.
[Wang, Yumeng] Renmin Univ China, Sch Agr Econ & Rural Dev, Beijing, Peoples R China.