Merger and acquisitions in South African banking : a network DEA model

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dc.contributor.author Wanke, Peter
dc.contributor.author Maredza A.
dc.contributor.author Gupta, Rangan
dc.date.accessioned 2017-06-28T13:32:14Z
dc.date.issued 2017-10 en
dc.description.abstract Banking in South Africa is known for its small number of companies that operate as an oligopoly. This paper presents a strategic fit assessment of mergers and acquisitions (M&A) in South African banks. A network DEA (Data Envelopment Analysis) approach is adopted to compute the impact of contextual variables on several types of efficiency scores of the resulting virtual merged banks: global (merger), technical (learning), harmony (scope), and scale (size) efficiencies. The impact of contextual variables related to the origin of the bank and its type is tested by means of a set of several robust regressions to handle dependent variables bounded in 0 and 1: Tobit, Simplex, and Beta. The results reveal that bank type and origin impact virtual efficiency levels. However, the findings also show that harmony and scale effects are negligible due to the oligopolistic structure of banking in South Africa. en_ZA
dc.description.department Economics en
dc.description.embargo 2018-10-30
dc.description.uri http://www.elsevier.com/locate/ribaf en
dc.identifier.citation Wanke, P., Maredza A. & Gupta, R. 2017, 'Merger and acquisitions in South African banking : a network DEA model', Research in International Business and Finance, vol. 41, pp. 362-376. en
dc.identifier.issn 0275-5319 (online) en
dc.identifier.other 10.1016/j.ribaf.2017.04.055 en
dc.identifier.uri http://hdl.handle.net/2263/61160
dc.language.iso English en
dc.publisher Elsevier en
dc.rights © 2017 Elsevier B.V. All rights reserved. Notice : this is the author's version of a work that was accepted for publication in Research in International Business and Finance. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. A definitive version was subsequently published in Research in International Business and Finance, vol. 41, pp. 362-376, 2017. doi : 10.1016/j.ribaf.2017.04.055. en
dc.subject Banks en
dc.subject Data envelopment analysis (DEA) en
dc.subject Merger and acquisition ((M&A) en
dc.subject Network en
dc.subject Robust regression analysis en
dc.subject South Africa (SA) en
dc.title Merger and acquisitions in South African banking : a network DEA model en_ZA
dc.type Postprint Article en


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