[1] Univ Hong Kong, Fac Business & Econ, Hong Kong, Peoples R China
[2] Univ Int Business & Econ, Sch Banking & Finance, Beijing 100029, Peoples R China
[3] Xiamen Univ, Sch Econ & Wang Yanan Inst Studies Econ WISE, Dept Finance, Xiamen 361005, Fujian, Peoples R China