[1] Queensland Univ Technol, Sch Econ & Finance, Brisbane, Qld 4001, Australia
[2] Univ Melbourne, Dept Finance, Melbourne, Vic 3010, Australia
[3] Univ Queensland, Sch Business, Brisbane, Qld 4072, Australia
[4] City Univ Hong Kong, Dept Accountancy, Kowloon, Hong Kong, Peoples R China