[1] Qingdao Univ Sci & Technol, Sch Econ & Management, Qingdao, Peoples R China
[2] Harbin Inst Technol, Sch Econ & Management, Weihai, Peoples R China
[3] Kobe Univ, Grad Sch Econ, Kobe, Japan
[4] Univ Technol Sydney, UTS Business Sch, Management DG, Broadway, NSW 2007, Australia
[5] European Univ Cyprus, Dept Comp Sci & Engn, CY-1516 Nicosia, Cyprus