[1] Zhanjiang Presch Educ Coll, Dept Econ Management, Zhanjiang, Peoples R China
[2] Lingnan Normal Univ, Dept Econ & Management, Basic Educ Coll, Zhanjiang, Peoples R China
[3] Ling Tung Univ, Dept Business Adm, Taichung, Taiwan
[4] Shenzhen HIIC, State High Tech Ind Innovat Ctr, Shenzhen, Peoples R China