[1] Peking Univ, Guanghua Sch Management, Dept Finance, 5 Yiheyuan Rd, Beijing 100871, Peoples R China
[2] Peking Univ, Guanghua Sch Management, Dept Accounting, 5 Yiheyuan Rd, Beijing 100871, Peoples R China
[3] Shanghai Jiao Tong Univ, Antai Coll Econ & Management, Dept Finance, 1954 Huashan Rd, Shanghai 200030, Peoples R China
[4] Hong Kong Polytech Univ, Sch Accounting & Finance, Fac Business, Kowloon, Hong Kong, Peoples R China