https://commons.ru.ac.za/vital/access/manager/Index en-us 5 The covariation of South African and foreign equity returns during bull and bear runs : implications for portfolio diversification https://commons.ru.ac.za/vital/access/manager/Repository/vital:944 Thu 13 May 2021 06:43:34 SAST ]]> Cointegration, causality and international portfolio diversification : investigating potential benefits to a South African investor https://commons.ru.ac.za/vital/access/manager/Repository/vital:962 Thu 13 May 2021 04:48:02 SAST ]]>