Browsing Faculty of Economic and Management Sciences by Title
Now showing items 2911-2930 of 3015
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Validation of a selection battery used by the South African Military Academy
(Stellenbosch : University of Stellenbosch, 2010-12)ENGLISH ABSTRACT: The objective of this study is to determine whether the psychometric evaluation procedure, used by the South African Military Academy to make selection decisions, can validly predict academic performance ... -
Validation of an assessment centre against BARS : an experience with performance related criteria
(AOSIS OpenJournals, 1989-05)The objective of this study is to determine the validity of a middle management assessment centre. Behaviourally Anchored Rating Scales were developed specifically for this purpose. The results testify to the validity of ... -
Validation of independent components using a hypothesis testing approach
(Stellenbosch : Stellenbosch University, 2020-12)ENGLISH ABSTRACT: The main focus of this thesis is the validation of Independent Component Analysis (ICA), a popular technique used in signal processing. In a typical application, the purpose of ICA is to extract non-Gaussian ... -
Validation of the high performance leadership competencies as measured by an assessment centre in-basket
(AOSIS, 2003-10)The purpose of this study was to validate Schroder’s High Performance Leadership Competencies (HPLCs), measured by a specially designed In-basket, against multiple criteria. These consisted of six measures of managerial ... -
The validation of the selection battery for pilots of the South African Air Force
(Stellenbosch : Stellenbosch University, 2004-04)ENGLISH ABSTRACT: The recent procurement of modern fourth-generation fighter aircraft by the South African Air Force (SAAF), severe budget constraints, as well as demographic transformation of the South African National ... -
Value at risk and expected shortfall : traditional measures and extreme value theory enhancements with a South African market application
(Stellenbosch : Stellenbosch University, 2013-12)ENGLISH ABSTRACT: Accurate estimation of Value at Risk (VaR) and Expected Shortfall (ES) is critical in the management of extreme market risks. These risks occur with small probability, but the financial impacts could be ... -
Value at risk and extreme value theory : application to the Johannesburg Securities Exchange
(Bureau for Economic Research, 2018)Value at Risk (VaR) has been established as one of the most important and commonly used financial risk management tools. Nevertheless, the attractive features and wide-spread use of VaR could not help to avoid a number of ... -
Value chain deconstruction in the United Kingdom retail life insurance industry and resulting strategic options for new entrants to the market
(AOSIS, 2004)Porter coined the term ‘value chain’ in 1985. Since then the concept has found general acceptance within the strategic planning realm. In order to explain changes occurring in industries affected by increased volatility, ... -
Value chain-induced constraints limiting scale of conservation agriculture in South Africa
(IntechOpen, 2019)The potential of scaling conservation agriculture (CA), for long-term food security, remains under-investigated within the context of agricultural food value chains in South Africa. To scale the use of CA an understanding ... -
Value investing versus growth investing in South Africa : valuation disparities and subsequent performance
(Stellenbosch : Stellenbosch University, 2012-12)ENGLISH ABSTRACT: Investment styles and more particularly the relative outperformance of certain styles under differing market conditions have been widely researched. Furthermore, investment professionals are constantly ... -
The value of local language in the management of HIV/AIDS in the world of work
(Stellenbosch : University of Stellenbosch, 2009-03)This study aims to investigate the significant role local language plays in the dissemination of life saving HIV/AIDS information in the World of Work in particular and the community at large in general. The objective is ... -
The value relevance of straight-lining lease expenses
(Clute Institute, 2016-11)ENGLISH SUMMARY : The International Accounting Standards Board envisions the global acceptance of International Financial Reporting Standards (IFRS). Despite attempting convergence with IFRS, some national accounting ... -
Van New York tot Nieu-Bethesda (en ander stasies tussenin)
(Stellenbosch : University of Stellenbosch Business School (USB), 2010-04)Wanneer jy op die snykant van jou bedryf is moet jy lang, ongemaklike ure werk en nagte alleen in hotelkamers voor jou skootrekenaar omsit. Maar só ’n leefstyl is nie vir almal nie. Baie besigheidsmense besluit om ... -
Van punt A tot punt B
(Stellenbosch : University of Stellenbosch Business School, 2008-08)Tossed about glibly, the term strategy has become a buzzword. Strategy, however, remains an indispensable tool to survive in a changing and fiercely competitive global environment. But beware, warns Prof Marius ... -
Van tegnikus tot toppos
(Stellenbosch : University of Stellenbosch Business School (USB), 2010-04)Alice Zondi se verhaal, soos vertel deur PENNY HAW, wys hoe afrigting hierdie tegniese kenner gehelp het om ’n plek in haar maatskappy se direksie in te neem. -
Variable selection for kernel methods with application to binary classification
(Stellenbosch : University of Stellenbosch, 2008-03)The problem of variable selection in binary kernel classification is addressed in this thesis. Kernel methods are fairly recent additions to the statistical toolbox, having originated approximately two decades ago in ... -
Variable selection in multiple linear regression : the influence of individual cases
(Operations Research Society of South Africa, 2007)ENGLISH SUMMARY : The influence of individual cases in a data set is studied when variable selection is applied in multiple linear regression. Two different influence measures, based on the Cp criterion and Akaike’s ... -
Variance in employee engagement : a qualitative analysis amongst public school teachers in the Cape Winelands education district
(AOSIS, 2020)Orientation: The Global Competitiveness Index Report 2017 – 2018, which ranks the quality of 124 countries’ education system, positioned South Africa 114th. Challenges with the quality of basic education offered in many ... -
Variance in employee engagement among public school teachers in the Western Cape province : an exploratory study
(Stellenbosch : Stellenbosch University, 2018-12)ENGLISH ABSTRACT: In 2011, the National Planning Commission identified poverty and inequality as the most significant burdens facing South Africa. Today, this reality remains unchanged. Abject poverty and high levels of ... -
Varying cross-sectional volatility in the South African equity market and the implications for the management of fund managers
(AOSIS, 2011)Modern portfolio theory is founded on an understanding of longitudinal volatility but it is the cross-sectional dispersion among investment returns that provide active portfolio managers with their competitive investment ...
