Articles by Keyword: Portfolio Diversification

Search results for Portfolio Diversification

We found 19 results for you
  1. The realignment of international stock markets after the 1987 crash, with special reference to the Johannesburg Stock Exchange

    The realignment of international stock markets after the 1987 crash, with special reference to the Johannesburg Stock Exchange

    Item type: Journal Article • Journal: South African Journal of Accounting Research
    This paper investigates stock price associations between the world’s sixteen largest international markets in the period immediately before and after the 1987 market crash, as well as in a more recent post-crash period. The analysis suggests that the crash had...
  2. Effects of the market factor on portfolio diversification: the case of market crashes

    Effects of the market factor on portfolio diversification: the case of market crashes

    Item type: Journal Article • Journal: Investment Analysts Journal
    This paper investigates empirically the effects of the market factor on the degree of portfolio diversification extracted from Markowitz's mean-variance (MV) model to explore an alternative method for improving the practical usefulness of the model. It controls for various properties...
  3. Product diversification in South Africa’s commercial timber plantations: a way to mitigate investment risk

    Product diversification in South Africa’s commercial timber plantations: a way to mitigate investment risk

    Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science
    We used the portfolio method to examine how a forest company can lower investment risk by producing a mix of timber products. We derived optimum combinations of pine (Pinus patula) saw timber production and eucalypt (Eucalyptus grandis) pulpwood production at...
  4. Multiple strategies for resilient livelihoods in communal areas of South Africa

    Multiple strategies for resilient livelihoods in communal areas of South Africa

    Item type: Journal Article • Journal: African Journal of Range & Forage Science
    Livestock farming in communal areas is an activity pursued by rural households as one of a range of livelihood strategies aimed at spreading risk. The cash and non-cash benefits derived from livestock, as well as the wide range of secondary...
  5. Using a Personal Portfolio for Identity Development with an Adolescent

    Using a Personal Portfolio for Identity Development with an Adolescent

    Item type: Journal Article • Journal: Journal of Psychology in Africa
    This article reports on the findings of an instrumental case study that was exploratory and descriptive in nature. An open and flexible investigation was conducted with the purpose of gaining insight into the potential value of using a personal portfolio...
  6. Water location, piospheres and a review of evolution in African ruminants

    Water location, piospheres and a review of evolution in African ruminants

    Item type: Journal Article • Journal: African Journal of Range & Forage Science
    The main radiation of large mammalian herbivores in Africa took place in the Pliocene–Pleistocene, when a long-term trend towards aridification promoted grasslands and the diversification of ruminant grazers. Traditional models of this evolution identify habitat fragmentation in response to climate...
  7. Agency theory, insider ownership and corporate focus: some South African evidence

    Agency theory, insider ownership and corporate focus: some South African evidence

    Item type: Journal Article • Journal: South African Journal of Accounting Research
    It is widely believed that unbundling will immediately add value to shareholders. This paper investigates the basis for this belief. It is contended that the benefits of unbundling are not based on the US experience of corporate refocussing. In the...
  8. Portfolio strategies for hedging against rand weakness

    Portfolio strategies for hedging against rand weakness

    Item type: Journal Article • Journal: South African Journal of Accounting Research
    This paper considers how portfolios may be structured which provide protection against Rand exchange rate movement and, in particular, against Rand weakness. Two portfolio optimisation methods are used to estimate the portfolio weights of the Top 40 shares listed on...
  9. Portfolio rebalancing in South Africa

    Portfolio rebalancing in South Africa

    Item type: Journal Article • Journal: South African Journal of Accounting Research
    The theory of so-called ‘optimal’ portfolio rebalancing has emerged over the last decade in journals and working papers, but this theory has several drawbacks, being based on advanced mathematics and relying on sets of restrictive assumptions. This paper investigates rebalancing...