[1] China Inst Finance & Capital Markets CIFCM, China Secur Regulatory Commiss, Postdoctoral Res Stn, Beijing, Peoples R China
[2] North South Univ, Sch Business & Econ, Dhaka, Bangladesh
[3] Univ Int Business & Econ UIBE, Sch Int Trade & Econ, Beijing 100029, Peoples R China
[4] Beijing Inst Technol, Sch Management & Econ, Beijing, Peoples R China
[5] European Univ Lefke, Fac Econ & Adm, Dept Banking & Finance, TR-10 Lefke, Northern Cyprus, Turkey
[6] Tsinghua Univ, Sch Econ & Management SEM, Beijing, Peoples R China