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Shandong Technol & Business Univ, Sch Finance, Yantai 264005, Shandong, Peoples R China
Collaborat Innovat Ctr Financial Serv Transformat, Yantai 264005, Shandong, Peoples R China Shandong Technol & Business Univ, Sch Finance, Yantai 264005, Shandong, Peoples R China