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dc.contributor.authorvon Westernhagen, Nataljaen
dc.contributor.authorPorath, Danielen
dc.contributor.authorHayden, Evelynen
dc.date.accessioned2009-01-28T16:02:54Z-
dc.date.available2009-01-28T16:02:54Z-
dc.date.issued2006-
dc.identifier.urihttp://hdl.handle.net/10419/19752-
dc.description.abstractShould banks be diversified or focused? Does diversification indeed lead to enhanced performance and, therefore, greater safety for banks, as traditional portfolio and banking theory would suggest? This paper investigates the link between banks? profitability (ROA) and their portfolio diversification across different industries, broader economic sectors and geographical regions measured by the Herfindahl Index. To explore this issue, we use a unique data set of the individual bank loan portfolios of 983 German banks for the period from 1996 to 2002. The overall evidence we provide shows that there are no large performance benefits associated with diversification since each type of diversification tends to reduce the banks? returns. Moreover, we find that the impact of diversification depends strongly on the risk level. However, it is only for moderate risk levels and in the case of industrial diversification that diversification significantly improves the banks? returns.en
dc.language.isoengen
dc.publisher|aDeutsche Bundesbank |cFrankfurt a. M.en
dc.relation.ispartofseries|aDiscussion Paper Series 2 |x2006,05en
dc.subject.jelG21en
dc.subject.jelG28en
dc.subject.jelG32en
dc.subject.ddc330en
dc.subject.keywordfocusen
dc.subject.keyworddiversificationen
dc.subject.keywordmonitoringen
dc.subject.keywordbank returnsen
dc.subject.keywordbank risken
dc.subject.stwBanken
dc.subject.stwKreditgeschäften
dc.subject.stwDiversifikationen
dc.subject.stwPortfolio-Managementen
dc.subject.stwDeutschlanden
dc.titleDoes diversification improve the performance of German banks? Evidence from individual bank loan portfolios-
dc.typeWorking Paperen
dc.identifier.ppn515396923en
dc.rightshttp://www.econstor.eu/dspace/Nutzungsbedingungenen
dc.identifier.repecRePEc:zbw:bubdp2:4536en

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