[1] Beijing Inst Technol, Sch Management & Econ, Beijing 100081, Peoples R China
[2] COMSATS Univ Islamabad, Sahiwal Campus, Sahiwal, Pakistan
[3] East China Univ Sci & Technol, Sch Business, Shanghai, Peoples R China
[4] Peking Univ, Guanghua Sch Management, Beijing, Peoples R China
[5] Bahauddin Zakariya Univ, Management Sci, Multan, Pakistan