Please use this identifier to cite or link to this item: http://hdl.handle.net/10419/57733
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dc.contributor.authorBär, Michaelaen_US
dc.contributor.authorKempf, Alexanderen_US
dc.contributor.authorRuenzi, Stefanen_US
dc.date.accessioned2012-04-25en_US
dc.date.accessioned2012-05-02T15:45:03Z-
dc.date.available2012-05-02T15:45:03Z-
dc.date.issued2005en_US
dc.identifier.urihttp://hdl.handle.net/10419/57733-
dc.description.abstractThis paper provides the first empirical test of the diversification of opinions theory and the group shift theory using real business data. Our data set covers management teams and single managers of US equity mutual funds. Our results reject the group shift theory and support the diversification of opinions theory: extreme opinions of single team managers average out and, consequently, teams make less extreme decisions than individuals do. We find that teams follow less extreme investment styles and their portfolios are less industry concentrated than those of single managers and that teams are eventually less likely to achieve extreme performance outcomes. These results hold after taking into account the impact of fund and family characteristics as well as manager characteristics. Additionally, teams exhibit a lower active share and lower risk levels, driven by a lower level of idiosyncratic risk, as compared to singlemanaged funds.en_US
dc.language.isoengen_US
dc.publisher|aCentre for Financial Research |cCologneen_US
dc.relation.ispartofseries|aCFR Working Paper |x05-10en_US
dc.subject.jelG23en_US
dc.subject.jelM54en_US
dc.subject.ddc330en_US
dc.subject.keywordMutual Fundsen_US
dc.subject.keywordTeam Managementen_US
dc.subject.keywordInvestment Behavioren_US
dc.titleIs a team different from the sum of its parts? Evidence from mutual fund managersen_US
dc.typeWorking Paperen_US
dc.identifier.ppn699919533en_US
dc.rightshttp://www.econstor.eu/dspace/Nutzungsbedingungenen_US
dc.identifier.repecRePEc:zbw:cfrwps:0510-

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