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RESEARCH SEMINAR: Comparing measures of HEI size. Academic staff vs. scientific talent

Jan 18, 2023 @ 12:30 pm - 2:00 pm


Benedetto Lepori, Institute of Communication and Public Policy, Università della Svizzera italiana, Lugano, Switzerland



Wolfgang Glänzel, KU Leuven



This paper compares two measures of organizational size of Higher Education Institutions widely used in the literature: the number of Academic Personnel (AP) measured according to definitions from international education statistics, and the Scientific Talent Pool (STP), i.e. the number of unique authors affiliated to the HEI as derived from the Scopus database.

Based on their respective definitions and operationalizations, we derive expectations on the factors generating differences between these two measures , as related to the HEI’s research orientation and subject mix, as well as to the presence of a university hospital. We test these expectations on a sample of more than 1,500 HEIs in Europe by combining data from the European Tertiary Education Register and from the Scimago Institutions Ranking. Our results provide strong support to the expected relationships and also highlights cases where the institutional perimeter of HEIs is systematically different between the two sources. We conclude that these two indicators provide complementary measures of institutional size, one more focused on the organizational perimeter as defined by employment relationships, the other on the persons who contribute to the scientific visibility of HEIs. Comparing the two indicators therefore is likely to provide a more in-depth understanding of the HEI resources available.



Benedetto Lepori, Institute of Communication and Public Policy, Università della Svizzera italiana, Lugano, Switzerland

Lutz Bornmann, Science Policy and Strategy Department, Max Planck Society, Munich, Germany

Félix de Moya Anegón, CSIC/CCHS/IPP, SCImago Group, Communication and Information Science Faculty, University of Granada, Granada, Spain




Jan 18, 2023
12:30 pm - 2:00 pm
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