[1] Cent Univ Finance & Econ, Sch Informat, Beijing, Peoples R China
[2] Haerbin Engn Univ, Sch Econ & Management, Harbin, Peoples R China
[3] Shanghai Univ Finance & Econ, Coll Business, Shanghai, Peoples R China
[4] Sungkyunkwan Univ, Sch Econ, Seoul, South Korea
[5] Univ Sydney, Business Sch, Sydney, Australia