Department of Business Finance, School of Economics and Business Sciences, University of the Witwatersrand, Private Bag 3, Wits 2050, South Africa
Auret, C.J., Department of Business Finance, School of Economics and Business Sciences, University of the Witwatersrand, Private Bag 3, Wits 2050, South Africa; Britten, J.H.C., Department of Business Finance, School of Economics and Business Sciences, University of the Witwatersrand, Private Bag 3, Wits 2050, South Africa