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Market Share and the Impact of Multibank Holding Company Affiliation: A Counterexample

Working Paper 264 | Published February 1, 1985

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Author

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William Roberds

Market Share and the Impact of Multibank Holding Company Affiliation: A Counterexample

Abstract

A popular method of investigating the market effects of multibank holding company (MBHC) affiliation involves regression of banks' local market share on a dummy variable for MBHC affiliation. The usefulness of this procedure is called into question by means of a theoretical counterexample.