[1] Changan Univ, Sch Econ & Management, Xian, Shaanxi, Peoples R China
[2] Xi An Jiao Tong Univ, Sch Econ & Finance, Shaanxi, Peoples R China
[3] Zhengzhou Univ, Business Sch, Zhengzhou, Peoples R China
[4] Shih Chien Univ, Dept Mkt Management, Kaohsiung, Taiwan