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Investigation on the efficient frontier based on CVaR under copula dependence structure with applications to South African JSE stocks
Published 2014Get full text
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The influence of informal power structures on corporate strategy of a selected mining organisation in Northern Cape Province, South Africa
Published 2023“…However, several scholars have pointed out that most of the studies on informal structures have used western and Asian socioecological narratives to contextualise informal structures. …”
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Aspects of the community structure and reproductive ecology of the common sea-urchin Parechinus angulosus Leske around the Cape Peninsula, South Africa
Published 2023“…However, a more powerful analysis of variance and co-variance indicated a higher number of males at Robbeneiland. …”
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A baited remote underwater video survey of the Goukamma Marine Protected Area's ichthyofauna and a subsequent community structure comparison with the Betty's Bay, Stilbaai, and Tsi...
Published 2020“…I collected and analysed mono-BRUV data over five years to determine patterns in fish community structure in Goukamma and compare it to the pre-existing CAS and UVC data. …”
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Investigating the relationship between project success and entrepreneurial perfomance
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Classification of social media event-discussions using interaction patterns : a social network analysis approach
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The measurement of character strengths : ideal point versus dominance measurement models
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Object-based geomorphometry and soil spectroscopy in a fluvial terrace dominated landscape
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The role of psychological capital in protecting the psychological well-being of individuals working in call centres
Published 2016Get full text
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Safety behaviour in high risk industries
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Happiness at work and cyber ostracism as independent drivers of innovation in remote and hybrid work environments
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Time diversification and holding periods on the Johannesburg Stock Exchange
Published 2017“…This breakpoint (1987) was chosen due to the belief that structural change occurred on the JSE after 1986. Data analysis included; descriptive statistics and tests for normality, the Augmented Dickey Fuller and Phillips-Perron tests for stationarity, the Autocorrelation Function tests for serial correlation, the Quandt-Andrews and Bai-Perron tests for structural breaks, the Variance Ratio Test, and the Runs Test. …”
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