[1] Zhongnan Univ Econ & Law, Ctr Int Cooperat & disciplinary innovat Income Dis, Wuhan 430073, Peoples R China
[2] Zhongnan Univ Econ & Law, Hubei Res Ctr Finance & Dev, Wuhan 430073, Peoples R China
[3] Northwest Univ, Sch Publ Adm, Xian, Peoples R China
[4] Stanford Univ, Stanford Ctr Chinas Econ & Inst, Stanford, CA USA
[5] Univ Nevada, Sch Publ Hlth, Reno, NV USA