[1] Sungkyunkwan Univ, Seoul, South Korea
[2] Univ Int Business & Econ, China Sch Banking & Finance, Beijing, Peoples R China
[3] Guangdong Univ Foreign Studies, Sch Finance, Guangzhou, Peoples R China
[4] Guangdong Univ Foreign Studies, Inst Financial Openness & Asset Management, Guangzhou, Peoples R China
[5] Guangdong Univ Foreign Studies, Inst Fortune Management Res, Guangzhou, Peoples R China