[1] Huazhong Univ Sci & Technol HUST, Sch Management, Wuhan, Peoples R China
[2] Huazhong Univ Sci & Technol HUST, Inst Poverty Reduct & Dev, Dept Publ Finance, Sch Management, Wuhan, Peoples R China
[3] SZABIST, Fac Management Sci, Karachi, Pakistan
[4] Huazhong Univ Sci & Technol, Sch Econ, Wuhan, Peoples R China