[1] Jinan Univ, Sch Econ, Guangzhou, Guangdong, Peoples R China
[2] Univ Western Australia, Sch Business, Nedlands, WA 6009, Australia
[3] Curtin Univ Technol, CUSPI, Perth, WA 6845, Australia
[4] Hang Seng Management Coll, Dept Econ & Finance, Hong Kong, Hong Kong, Peoples R China