Abstract
University rankings as developed by the media are used by many stakeholders in higher education: students looking for university places; academics looking for university jobs; university managers who need to maintain standing in the competitive arena of student recruitment; and governments who want to know that public funds spent on universities are delivering a world class higher education system. Media rankings deliberately draw attention to the performance of each university relative to all others, and as such they are undeniably simple to use and interpret. But one danger is that they are potentially open to manipulation and gaming because many of the measures underlying the rankings are under the control of the institutions themselves. This paper examines media rankings (constructed from an amalgamation of variables representing performance across numerous dimensions) to reveal the problems with using a composite index to reflect overall performance. It ends with a proposal for an alternative methodology which leads to groupings rather than point estimates.
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Notes
Note that there is some evidence that they might be instrumental in determining VC pay, for example Allcock et al. (2017).
It should be noted that the principal-agent model may be overly simplistic for a complex organisation such as a university which produces multiple outputs and may operate cross subsidisation across these outputs.
The difficulties for managers of dealing with multiple stakeholders who may have conflicting objectives is discussed in Weimer and Vining (1996).
The results of the REF 2014 can be found here: http://www.ref.ac.uk/. Note that REF 2014 was preceded by various Research Assessment Exercises (RAEs) undertaken in 1986, 1989, 1992, 1996, 2001 and 2008.
Source: https://www.hesa.ac.uk/data-and-analysis/performance-indicators accessed 17th July 2017.
Source: http://www.thecompleteuniversityguide.co.uk/league-tables/methodology/ accessed 17th July 2017. Note that this particular university guide is chosen purely for illustrative purposes; conclusions from any analysis presented here can be generalised across all university guides.
Note that the original data have been standardised data to have mean zero; a higher value represents more favourable performance on every dimension.
Each performance measure is usually standardised to produce a z-score before calculating an overall ranking. This ensures that the composite index is not affected by the units of measurement of the components underlying it.
This cross-subsidisation actually has more disadvantages than simply reducing diversity, one of which os a sub-optimal allocation of resources to university activities—see (Muller 2017) for a discussion of distortions created by rent-seeing behaviour in higher education.
Note that two HEIs ranked 78th and 126th have been excluded because they have no observations on the research indicators.
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Acknowledgements
I am grateful for comments and suggestions to an anonymous referee, to Geraint Johnes and Swati Virmani, and to the participants at: Efficiency in Education, Politecnico di Milano 20th–21st October 2016; Valuing Higher Education: An appreciation of the work of Gareth Williams, Centre for Higher Education Studies, Institute of Education, University College London, 15th November 2016; the Fourth Lisbon Research Workshop on Economics, Statistics and Econometrics of Education, Lisbon, Portugal, 26th–27th January 2017; the Meeting of the Economics of Education Association, Murcia, 29th–30th June 2017.
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Johnes, J. University rankings: What do they really show?. Scientometrics 115, 585–606 (2018). https://doi.org/10.1007/s11192-018-2666-1
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DOI: https://doi.org/10.1007/s11192-018-2666-1