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The impact of extreme observations in citation distributions

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dc.affiliation.dptoUC3M. Departamento de Economíaes
dc.contributor.authorLi, Yunrong
dc.contributor.authorRuiz-Castillo, Javier
dc.contributor.editorUniversidad Carlos III de Madrid. Departamento de Economía
dc.date.accessioned2013-05-06T13:35:46Z
dc.date.available2013-05-06T13:35:46Z
dc.date.issued2013-04
dc.description.abstractThis paper studies the role of extremely highly cited articles in two instances: the measurement of citation inequality, and mean citation rates. Using a dataset, acquired from Thomson Scientific, consisting of 4.4 million articles published in 1998-2003 in 22 broad fields with a five-year citation window, the main results are the following. Firstly, both within each of 22 broad fields and in the all-sciences case, citation inequality is strongly affected by the presence of a handful of extreme observations, particularly when it is measured by citation inequality indices that are very sensitive to citation differences in the upper tail of citation distributions. Secondly, the impact of extreme observations on citation averages is generally much smaller. The concluding Section includes some practical lessons for students of citation inequality and/or users of high-impact indicators
dc.description.sponsorshipThe authors acknowledge financial support by Santander Universities Global Division of Banco Santander. Ruiz- Castillo also acknowledges financial help from the Spanish MEC through grant ECO2011-29762
dc.format.mimetypeapplication/pdf
dc.identifier.issn2340-5031
dc.identifier.repecwe1308
dc.identifier.urihttps://hdl.handle.net/10016/16919
dc.language.isoeng
dc.relation.ispartofseriesUC3M Working papers. Economics
dc.relation.ispartofseries13-08
dc.relation.projectIDGobierno de España. ECO2011-29762
dc.rightsAtribución-NoComercial-SinDerivadas 3.0 España
dc.rights.accessRightsopen access
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/3.0/es/
dc.subject.ecienciaEconomía
dc.titleThe impact of extreme observations in citation distributions
dc.typeworking paper*
dc.type.hasVersionSMUR*
dspace.entity.typePublication
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