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Guangdong Univ Foreign Studies, Sch Finance, 2 Baiyun Ave North, Guangzhou 510420, Guangdong, Peoples R China
Guangdong Univ Foreign Studies, Southern China Inst Fortune Management Res, 2 Baiyun Ave North, Guangzhou 510420, Guangdong, Peoples R China Yanan Univ, Sch Econ & Management, 1 Gongxue North Rd, Yanan 716000, Shaanxi, Peoples R China