The effect of scholar collaboration on impact and quality of academic papers |
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| Authors: | Massimo Franceschet Antonio Costantini |
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| Institution: | 1. Department of Mathematics and Computer Science, University of Udine, Via delle Scienze 206, 33100 Udine, Italy;2. Department of Agriculture and Environmental Sciences, University of Udine Via delle Scienze 208, 33100 Udine, Italy;1. Department of Mathematics and Computer Science, University of Udine, Via delle Scienze 206, 33100 Udine, Italy;2. Department of Agriculture and Environmental Sciences, University of Udine Via delle Scienze 208, 33100 Udine, Italy;1. Division for Science and Innovation Studies, Administrative Headquarters of the Max Planck Society, Hofgartenstr. 8, 80539 Munich, Germany;2. Amsterdam School of Communication Research (ASCoR), University of Amsterdam, PO Box 15793, 1001 NG Amsterdam, The Netherlands;1. Centre for Science and Technology Studies, Leiden University, P.O. Box 905, 2300 AX Leiden, The Netherlands;2. École de bibliothéconomie et des sciences de l’information, Université de Montréal, C.P. 6128, Succ. Centre-Ville, Montréal, H3C 3J7, Canada |
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| Abstract: | We study how scholar collaboration varies across disciplines in science, social science, arts and humanities and the effects of author collaboration on impact and quality of co-authored papers. Impact is measured with the aid of citations collected by papers, while quality is determined by the judgements expressed by peer reviewers. To this end, we take advantage of the dataset provided by the first-ever national research assessment exercise of Italian universities, which involved 20 disciplinary areas, 102 research structures, 18,500 research products, and 6661 peer reviewers. Collaboration intensity neatly varies across disciplines: it is inescapable is most sciences and negligible in most humanities. We measured a general positive association between cardinality of the author set of a paper and citation count as well as peer quality of the contribution. The correlation is stronger when the affiliations of authors are heterogeneous. There exist, however, notable and interesting counter-examples. |
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