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Contraception for first-time users: a problem-orientated guide to product selection and safe prescription
Item type: Journal Article • Journal: South African Family Practice • Authors: WM Kruger --- Department of Obstetrics and Gynaecology, PS Steyn --- Department of Obstetrics and Gynaecology, -
Accounting for futures and options in terms of IASC proposals: practitioners’ views in South Africa
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: S Baker --- South African Breweries, G K Everingham --- Department of Accounting,This paper outlines the development and nature of the International Accounting Standards Committee’s proposals in relation to financial instruments. It considers the applicability of the specific principles therein in relation to accounting for futures and options traded on the South... -
Evidence of share option backdating in the JSE Top 40 since 2001
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: G Holman --- Department of Accounting, J Shev --- Department of Accounting, F Zheng --- Department of Accounting,This study investigates whether executives backdate share option grant dates to their advantage in South Africa. Using data for 175 options granted to executives of the JSE top 40 companies between 2001 and 2006, a pattern of negative cumulative abnormal... -
An analysis of certain issues relating to the taxation of equity instruments
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: D A Warneke --- Department of Accounting, R D Jooste --- Department of Commercial Law,In this article we examine certain issues associated with Section 8C and other important and frequently encountered related provisions of the Income Tax Act. The issues examined relate to: the difference in tax treatment of restricted and unrestricted equity instruments;... -
Pharmacological options for the protection of ovarian function in patients undergoing chemotherapy
Item type: Journal Article • Journal: Southern African Journal of Gynaecological Oncology • Authors: MH Botha --- Unit for Gynaecological Oncology, Department of Obstetrics and Gynaecology, Faculty of Medicine and Health Sciences,Chemotherapy, particularly alkylating agents, can be toxic to germ cells, and may lead to treatment amenorrhoea in young women. The age at which chemotherapy is administered is a strong predictor of subsequent premature ovarian failure, with older patients being at... -
Decision-support tool for management of miombo woodlands: a matrix model approach
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Wilson A Mugasha --- Department of Ecology and Natural Resource Management, Norway Ole M Bollandsås --- Department of Ecology and Natural Resource Management, Norway Terje Gobakken --- Department of Ecology and Natural Resource Management, Norway Eliakimu Zahabu --- Department of Forest Mensuration and Management, Tanzania Josiah Z Katani --- Department of Forest Mensuration and Management, Tanzania Tron Eid --- Department of Ecology and Natural Resource Management, NorwayRational forest management planning requires information on the present forest state and on future development. However, forest management planning in Tanzania has often been done without any information on forest development because appropriate tools are lacking. This study presents a... -
The investment return puzzle on the Johannesburg Stock Exchange
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Pravin Semnarayan --- Gordon Institute of Business Science, University of Pretoria, South Africa Michael Ward --- Gordon Institute of Business Science, University of Pretoria, South Africa Chris Muller --- Gordon Institute of Business Science, University of Pretoria, South AfricaFirms that invest into positive net present value projects should outperform firms that do not invest. Surprisingly, several studies on United States data have found a negative relationship between capital investment and subsequent shareholder return. There are conflicting explanations for... -
Time-dependent volatility in futures contract options
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Jilong Chen --- International Business School, School of Finance, China Christian Ewald --- University of Glasgow, UK Ali M. Kutan --- Business School, Department of Economics and Finance, USAThe Schwartz (1997) two-factor model is the benchmark model for pricing futures options, and the volatility is constant, which is similar to the Black-Scholes model. In this paper, we use a similar method which can make the Black-Scholes model be... -
Effect of counselling on the family function of intimate partner violence victims attending antenatal clinic in a tertiary hospital in North Central Nigeria
Item type: Journal Article • Journal: South African Family Practice • Authors: BO Akor --- Department of Family Medicine, Nigeria LA Moses --- Department of Family Medicine, Nigeria ND Baamlong --- Department of Family Medicine, Nigeria LL Shedul --- Department of Family Medicine, Nigeria AS Haruna --- Department of Family Medicine, Nigeria JM Abu --- Department of Family Medicine, Nigeria OU Chira --- Department of Family Medicine, Nigeria NR Ripiye --- Department of Family Medicine, Nigeria RA Abdulkareem --- Department of Family Medicine, NigeriaBackground and aim: Intimate partner violence (IPV) is a global problem. Family dysfunction is an integral characteristic of IPV homes. However, not much has been done regarding restoration of these families. The aim of this study was to explore the... -
Application of a general methodology to understand vulnerability and adaptability of the fisheries for small pelagic species in the Benguela countries: Angola, Namibia and South Africa
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: KL Cochrane --- , South Africa K Ortega-Cisneros --- , South Africa JA Iitembu --- , Namibia CI dos Santos --- , Angola WHH Sauer --- , South AfricaThe fisheries for small pelagic species in Angola, Namibia and South Africa fulfil important social and economic roles but have undergone substantial changes in recent years, some of which are likely to be related to climate change. This assessment of... -
Interplay between economic empowerment and sexual behaviour and practices of migrant workers within the context of HIV and AIDS in the Lesotho textile industry
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Pius Tangwe Tanga --- , , South Africa Magdaline Nji Tangwe --- , , South AfricaEconomic empowerment brings with it a wide range of consequences, both positive and negative. The objective of this paper was to examine the relationship between economic empowerment and the sexual behaviour and practices of migrant workers within the context of... -
Key stakeholders’ perspectives on providing oral pre-exposure prophylaxis as HIV-prevention standard of care in clinical trials in South Africa
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Ivana Beesham --- University of the Witwatersrand, South Africa Cecilia Milford --- University of the Witwatersrand, South Africa Dvora L Joseph Davey --- University of Cape Town, South Africa Jenni Smit --- University of the Witwatersrand, South Africa Leila E Mansoor --- University of KwaZulu-Natal, South Africa Mags Beksinska --- University of the Witwatersrand, South AfricaIntroduction: HIV-prevention and endpoint-driven clinical trials enrol individuals at substantial risk of HIV. Recently, these trials have provided oral pre-exposure prophylaxis (PrEP) as HIV-prevention standard of care; however, data on PrEP uptake and use during the trial and post-trial access...
