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dc.contributor.authorHuang, C.
dc.contributor.authorHuang, Chun-Kai
dc.contributor.authorChinhamu, K.
dc.identifier.citationHuang, C. and Huang, C. and Chinhamu, K. 2014. Assessing the relative performance of heavy-tailed distributions: Empirical evidence from the Johannesburg stock exchange. Journal Of Applied Business Research. 30 (4): pp. 1263-1286.

It has been well documented that the empirical distribution of daily logarithmic returns from financial market variables is characterized by excess kurtosis and skewness. In order to capture such properties in financial data, heavy-tailed and asymmetric distributions are required to overcome shortfalls of the widely exhausted classical normality assumption. In the context of financial forecasting and risk management, the accuracy in modeling the underlying returns distribution plays a vital role. For example, risk management tools such as value-at-risk (VaR) are highly dependent on the underlying distributional assumption, with particular focus being placed at the extreme tails. Hence, identifying a distribution that best captures all aspects of the given financial data may provide vast advantages to both investors and risk managers. In this paper, we investigate major financial indices on the Johannesburg Stock Exchange (JSE) and fit their associated returns to classes of heavy tailed distributions. The relative adequacy and goodness-of-fit of these distributions are then assessed through the robustness of their respective VaR estimates. Our results indicate that the best model selection is not only variant across the indices, but also across different VaR levels and the dissimilar tails of return series.

dc.titleAssessing the relative performance of heavy-tailed distributions: Empirical evidence from the Johannesburg stock exchange
dc.typeJournal Article
dcterms.source.titleJournal Of Applied Business Research
curtin.accessStatusFulltext not available

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