The Herfindahl-Hirschman Index as an official statistic of business concentration : challenges and solutions

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dc.contributor.advisorSmit, Eon van der Merween_ZA
dc.contributor.authorDjolov, George Georgieven_ZA
dc.contributor.otherStellenbosch University. Faculty of Economic and Management Sciences. Graduate School of Business.en_ZA
dc.date.accessioned2012-11-28T12:48:22Zen_ZA
dc.date.accessioned2012-12-12T08:08:45Z
dc.date.available2014-12-30T03:00:09Z
dc.date.issued2012-12en_ZA
dc.descriptionThesis (PhD)--Stellenbosch University, 2012.en_ZA
dc.description.abstractENGLISH ABSTRACT: This dissertation examines the measurement of business concentration by the Herfindahl- Hirschman Index (HHI). In the course of the examination, a modification to this method of measurement of business concentration is proposed, in terms of which the accuracy of the conventional depiction of the HHI can be enhanced by a formulation involving the Gini index. Computational advantages in the use of this new method are identified, which reveal the Ginibased HHI to be an effective substitute for its regular counterpart. It is found that theoretically and in practice, the proposed new method has strengths that favour its usage. The practical advantages of employing this method are considered with a view to encouraging the measurement of business concentration using the Gini-based index of the HHI.en_ZA
dc.description.abstractAFRIKAANSE OPSOMMING: Hierdie verhandeling ondersoek die meting van sakekonsentrasie deur middel van die Herfindahl- Hirschman-indeks (HHI). ‘n Wysiging aan hierdie metode word voorgestel, deur middel waarvan die akkuraatheid van die konvensionele voorstelling van die HHI verhoog word, deur ‘n formulering wat die Gini-indeks betrek. Die berekeningsvoordele van hierdie nuwe metode word geïdentifiseer en dit word aangetoon dat die Gini-gebaseerde HHI ’n doeltreffende plaasvervanger vir sy meer bekende teenvoeter is. Daar word bevind dat die voorgestelde nuwe metode teoretiese en praktiese sterkpunte het wat die gebruik daarvan ondersteun. Die praktiese voordele van die voorgestelde metode word oorweeg met die oog op die aanmoediging van die gebruik van die Gini-gebaseerde HHI-indeks as maatstaf van sakekonsentrasie.af_ZA
dc.embargo.terms2014-12-30
dc.format.extentviii, 140 pagesen_ZA
dc.identifier.urihttp://hdl.handle.net/10019.1/71678
dc.language.isoen_ZA
dc.publisherStellenbosch : Stellenbosch Universityen_ZA
dc.rightsStellenbosch Universityen_ZA
dc.subjectHerfindahl-Hirschman Index (HHI)en_ZA
dc.subjectBusiness concentrationen_ZA
dc.subjectBusiness statisticsen_ZA
dc.subjectChi-square distributionen_ZA
dc.subjectIndustrial economicsen_ZA
dc.subjectUCTDen_ZA
dc.titleThe Herfindahl-Hirschman Index as an official statistic of business concentration : challenges and solutionsen_ZA
dc.typeThesisen_ZA
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Doctoral Degrees (University of Stellenbosch Business School)