[Zhang, Junbiao; Wang, Xueting] Huazhong Agr Univ, Coll Econ & Management, Wuhan, Hubei, Peoples R China.
[Zhang, Junbiao; Wang, Xueting] Hubei Rural Dev Res Ctr, Wuhan, Hubei, Peoples R China.
[Tong, Qingmeng] Cent China Normal Univ, Sch Econ & Business Adm, Wuhan, Hubei, Peoples R China.
[Qiu, Feng] Univ Alberta, Dept Resource Econ & Environm Sociol, Edmonton, AB, Canada.