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Estimating scale efficiency of platinum-mining companies’ environmental performance: a South African perspective

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dc.contributor.author Buys, Pieter Willem
dc.contributor.author Oberholzer, Merwe
dc.contributor.author Prinsloo, Toy
dc.date.accessioned 2012-10-17T07:20:39Z
dc.date.available 2012-10-17T07:20:39Z
dc.date.issued 2011
dc.identifier.citation Buys, P.W. et al. 2011. Estimating scale efficiency of platinum-mining companies’ environmental performance: a South African perspective. International business and economics research journal, 10(12):11-22. [http://journals.cluteonline.com/index.php/IBER] en_US
dc.identifier.issn 1535-0754
dc.identifier.issn 2157-9393 (Online)
dc.identifier.uri http://hdl.handle.net/10394/7509
dc.description.abstract The purpose of the study is to develop a data envelopment analysis (DEA) model to estimate the relative scale efficiency of platinum-mining companies’ environmental performance. South African platinum-mines were used to demonstrate the model, which uses environmental performance indicators as the input variables in order to generate mineral extraction and financial performances as the output variables. The input variables considered were greenhouse gas emissions, water usage and energy usage, while the output variables were platinum production, return on equity and return on assets. The contribution of the study is that a DEA model was developed that could identify relatively efficient companies that could act as benchmarks with regard to environmental issues in the mining sector. A further contribution is that the study concluded that platinum-mining companies tend not to achieve economies of scale, where the companies that are relatively larger in size tend to operate on a scale that is too large and companies that are physically relatively smaller in size tend to operate on a scale that is too small. en_US
dc.language.iso en en_US
dc.publisher Clute Institute for Academic Research en_US
dc.subject Economies of scale en_US
dc.subject energy usage en_US
dc.subject environmental performance en_US
dc.subject GHG emissions en_US
dc.subject platinum mining en_US
dc.subject scale efficiency en_US
dc.subject water usage en_US
dc.title Estimating scale efficiency of platinum-mining companies’ environmental performance: a South African perspective en_US
dc.type Article en_US


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