[1] La Trobe Univ, La Trobe Business Sch, Dept Finance, Bundoora, Vic 3086, Australia
[2] Univ So Queensland, Fac Business, Sch Accounting Econ & Finance, Toowoomba, Qld 4350, Australia
[3] Mifranthe Associates, Claverdon CV35 8HG, Warks, England
[4] Monash Univ, Dept Accounting & Finance, Caulfield, Vic 3145, Australia