[1] Jiangxi Univ Finance & Econ, Sch Publ Finance & Publ Adm, Nanchang, Jiangxi, Peoples R China
[2] Cent China Normal Univ, Sch Econ & Business Adm, Wuhan, Peoples R China
[3] Shandong Univ Finance & Econ, Sch Finance, Jinan, Peoples R China
[4] Macquarie Univ, Dept Appl Finance, Sydney, NSW, Australia