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Convexity, quality and efficiency in education

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JournalJournal of the Operational Research Society
DateAccepted/In press - 25 Sep 2015
DateE-pub ahead of print - 9 Dec 2015
DatePublished (current) - 2016
Issue number4
Volume68
Number of pages10
Pages (from-to)446–455
Early online date9/12/15
Original languageEnglish

Abstract

While Data Envelopment Analysis has many attractions as a technique for analysing the efficiency of educational organisations, such as schools and universities, care must be taken in its use whenever its assumption of convexity of the prevailing technology and associated production possibility set may not hold. In particular, if the convexity assumption does not hold, DEA may overstate the scope for improvements in technical efficiency through proportional increases in all educational outputs and understate the importance of improvements in allocative efficiency from changing the educational output mix. The paper therefore examines conditions under which the convexity assumption is not guaranteed, particularly when the performance evaluation includes measures related to the assessed quality of the educational outputs. Under such conditions, there is a need to deploy other educational efficiency tools, including an alternative non-parametric output-orientated technique and a more explicit valuation function for educational outputs, in order to estimate the shape of the efficiency frontier and both technical and allocative efficiency.

Bibliographical note

Forthcoming in Special Edition on Efficiency in Education. © 2015 Operational Research Society Ltd. All rights reserved. This is an author-produced version of the published paper. Uploaded in accordance with the publisher’s self-archiving policy. Further copying may not be permitted; contact the publisher for details

    Research areas

  • data envelopment analysis;, quality, education, efficiency analysis, allocative efficiency

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