[1] Shanghai Univ Int Business & Econ, Sch Accountancy, Shanghai, Peoples R China
[2] Southwestern Univ Finance & Econ, Sch Accountancy, Chengdu, Sichuan, Peoples R China
[3] Shanghai Univ Finance & Econ, Sch Accountancy, Shanghai, Peoples R China
[4] Shanghai Chongyang Investment Co Ltd, Shanghai, Peoples R China