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dc.contributor.authorHeger, Dianaen_US
dc.contributor.authorKraft, Korneliusen_US
dc.date.accessioned2009-08-12T07:19:09Z-
dc.date.available2009-08-12T07:19:09Z-
dc.date.issued2008en_US
dc.identifier.urihttp://hdl.handle.net/10419/27550-
dc.description.abstractTheory predicts a positive relationship between market concentration and profitability in most scenarios. In empirical work, however, this relation is frequently not found or only a weak connection is observed. We compare the performance of concentration and market share variables, which are generated on the basis of the official industry classification, with information collected directly from firms. Information from companies on the number of competitors, their relative size and the intensity of price competition is highly significant in explaining profit levels, while none of the concentration indices performs well. Hence, the poor quality of industry data is responsible for the loose connection that is usually found between concentration and profitability.en_US
dc.language.isoengen_US
dc.publisherZentrum für Europäische Wirtschaftsforschung (ZEW) Mannheimen_US
dc.relation.ispartofseriesZEW Discussion Papers 08-072en_US
dc.subject.jelL25en_US
dc.subject.jelL13en_US
dc.subject.jelC25en_US
dc.subject.ddc330en_US
dc.subject.keywordConcentration Indicesen_US
dc.subject.keywordProfitabilityen_US
dc.subject.keywordDiscrete Regression Modelsen_US
dc.subject.stwWirtschaftskonzentrationen_US
dc.subject.stwRentabilitäten_US
dc.subject.stwKonzentrationsindexen_US
dc.subject.stwMarktstrukturen_US
dc.subject.stwBefragungen_US
dc.subject.stwStatistik der Unternehmen und Arbeitsstättenen_US
dc.subject.stwStatistischer Fehleren_US
dc.subject.stwSchätzungen_US
dc.subject.stwDeutschlanden_US
dc.titleA Test of the Quality of Concentration Indicesen_US
dc.typeWorking Paperen_US
dc.identifier.ppn57790874Xen_US
dc.rightshttp://www.econstor.eu/dspace/Nutzungsbedingungen-
dc.identifier.repecRePEc:zbw:zewdip:7415-
Appears in Collections:ZEW Discussion Papers
Publikationen von Forscherinnen und Forschern des ZEW

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