[1] Hong Kong Metropolitan Univ, Lee Shau Kee B&A Dept, Kowloon, 30 Good Sheperd St, Hong Kong, Peoples R China
[2] Vietnam Natl Univ, Int Sch, Room 208,Bldg C,Hacinco Students Village,79 Nguy N, Hanoi, Vietnam
[3] Univ Vigo, Dept Accounting & Financial Econ, Vigo, Galicia, Spain