[1] Fudan Univ, Fanhai Int Sch Finance, Shanghai 200433, Peoples R China
[2] Guangdong Univ Finance & Econ, Ctr Sci Finance & Ind, Sch Finance, Pearl River Delta Collaborat Innovat, Guangzhou, Guangdong, Peoples R China
[3] Coventry Univ, Int Ctr Transformat Entrepreneurship & Ctr Busines, Coventry CV1 5FB, England
[4] Univ Essex, Colchester CO4 3SQ, England