[1] Guangdong Univ Foreign Studies, Res Inst Int Serv Econ, Guangzhou, Peoples R China
[2] Guangdong Univ Foreign Studies, Sch Finance, Guangzhou, Peoples R China
[3] Jinan Univ, Inst Ind Econ, Guangzhou, Peoples R China
[4] Guangdong Univ Foreign Studies, Sch Accounting, Guangzhou, Peoples R China
[5] Macquarie Univ, Sydney, NSW, Australia