[1] NanJing Coll Chem Technol, Dept Econ Management, Nanjing, Jiangsu, Peoples R China
[2] Shanghai Univ Finance & Econ, Sch Informat Management & Engn, Shanghai, Peoples R China
[3] Univ Reading, Henley Business Sch, Informat Res Ctr, Reading, Berks, England