Two New Simple Bibliometric Indexes to Better Evaluate Research in Economics
The paper proposes two new simple indexes - the k and w indexes - to assess a scientist’s publications record based on citations. The two indexes are superior to the widely used h index (Hirsch, 2005), as they preserve all its valuable characteristics and try to overcome one of its known major shortcomings, i.e. that it uses only a fraction of the information contained in a scientist’s citations profile and, as a result, does not show a sufficiently fine ‘granularity’ (the h index is defined over the set of positive integers) to allow a fully satisfactory ranking of scientists. This problem is particularly acute in those disciplines, such as Economics, where scientific productivity and citation practices typically yield fewer citations per paper and, as a consequence, are characterized by ‘structurally’ lower values of the h indexes. Both the k and w indexes are defined over R+, fall in the right-open interval [h, h+1) and their integer part is conveniently equal to the scientist’s h index. While the h index is influenced only by part of the citations received by a scientist’s most-cited publications, the k index takes into account all the citations received by her most-cited publications and the w index accounts for the citations received by the entire set of her publications. Variants of the k and w indexes are proposed which account for co-authorship. The h index and the new indexes proposed are calculated for 332 professors of economics in Italian universities and the results obtained are used to rank Italian university departments.
References listed on IDEAS
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- Lippi Marco & Peracchi Franco, 2007. "Il primo esercizio italiano di valutazione della ricerca: una prima valutazione," Rivista italiana degli economisti, Società editrice il Mulino, issue 2, pages 267-276.
- repec:spr:scient:v:81:y:2009:i:3:d:10.1007_s11192-008-2174-9 is not listed on IDEAS
- Frances Ruane & Richard S.J. Tol, 2007. "Refined (Successive) H-Indices: An Application To Economics In The Republic Of Ireland," Working Papers FNU-130, Research unit Sustainability and Global Change, Hamburg University, revised Mar 2007.
- Marcella Corsi & Carlo D'Ippoliti & Federico Lucidi, 2010. "Pluralism at Risk?," American Journal of Economics and Sociology, Wiley Blackwell, vol. 69(5), pages 1495-1529, November.
- Panaretos, John & Malesios, Chrisovaladis, 2008. "Assessing scientific research performance and impact with single indices," MPRA Paper 12842, University Library of Munich, Germany.
- Corsi Marcella & D'Ippoliti Carlo & Lucidi Federico, 2011.
"On the Evaluation of Economic Research: The Case of Italy,"
Società editrice il Mulino, issue 3, pages 369-402.
- Marcella Corsi & Carlo D'Ippoliti & Federico Lucidi, 2011. "On the Evaluation of Economic Research: the Case of Italy," DULBEA Working Papers 11-04, ULB -- Universite Libre de Bruxelles.
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