[1] Xi An Jiao Tong Univ, Sch Econ & Finance, Xian 710061, Peoples R China
[2] Univ Sci & Technol China, Sch Management, Jinzhai Rd, Hefei 230026, Peoples R China
[3] Shaanxi Univ Sci & Technol, Sch Econ & Management, Xian 710021, Peoples R China
[4] Univ Kebangsaan Malaysia, Grad Sch Business, Bangi 43600, Selangor, Malaysia