The Benefits and Costs of Geographic Diversification in BankingReport as inadecuate

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1 LAPE - Laboratoire d-Analyse et de Prospective Economique 2 Federal Reserve Bank of New-York 3 Consumer Financial Protection Bureau

Abstract : We estimate the benefits of geographic diversification within states and across states for bank risk and return for all U.S. bank holding companies over 1994 to 2008, and assess whether such benefits depend on bank size.For small banks, only intrastate diversification increases risk-adjusted returns and reduces default risk while for very large institutions only interstate expansions are beneficial but only in terms of default risk. In all cases the relationship ishump-shaped indicating that at some point, the possible agency costs associated with banks getting wider and more geographically diversified outweigh the benefits.Our results indicate that small banks and very large banks could still benefit from further geographic diversification. Email Addresses: Céline Meslier, Donald P. Morgan Katherine Samolyk, Amine Tarazi. The views herein do not necessarily reflect those of the Federal Reserve System. 2

Keywords : return agency costs bank geographic diversification risk

Author: Céline Meslier-Crouzille - Donald P. Morgan - Katherine Samolyk - Amine Tarazi -



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