Bank Mergers and Diversification: Implications for Competition Policy

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Bank Mergers and Diversification: Implications for Competition Policy

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Albert Banal-Estañol () (Department of Economics, City University, London)
Marco Ottaviani

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Abstract

This paper analyses competition and mergers among risk averse banks. We show that the correlation between the shocks to the demand for loans and the shocks to the supply of deposits induces a strategic interdependence between the two sides of the market. We characterize the role of diversification as a motive for bank mergers and analyse the consequences of mergers on loan and deposit rates. When the value of diversification is sufficiently strong, bank mergers generate an increase in the welfare of borrowers and depositors. If depositors have more correlated shocks than borrowers, bank mergers are relatively worse for depositors than for borrowers.

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Publisher Info
Paper provided by Department of Economics, City University, London in its series City University Economics Discussion Papers with number 06/11.

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Length: 17 pages
Date of creation: Dec 2006
Date of revision:
Handle: RePEc:cty:dpaper:0611

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Article
- Albert Banal-Estañol & Marco Ottaviani, 2007. "Bank Mergers and Diversification: Implications for Competition Policy," European Financial Management, Blackwell Publishing Ltd, vol. 13(3), pages 578-590. [Downloadable!] (restricted)

Find related papers by JEL classification:
D43 - Microeconomics - - Market Structure and Pricing - - - Oligopoly and Other Forms of Market Imperfection
G21 - Financial Economics - - Financial Institutions and Services - - - Banks; Other Depository Institutions; Mortgages
G32 - Financial Economics - - Corporate Finance and Governance - - - Financing Policy; Capital and Ownership Structure
G34 - Financial Economics - - Corporate Finance and Governance - - - Mergers; Acquisitions; Restructuring; Corporate Governance

This paper has been announced in the following NEP Reports:

NEP-ALL-2007-01-28 (All new papers)
NEP-BAN-2007-01-28 (Banking)
NEP-COM-2007-01-28 (Industrial Competition)

References listed on IDEAS
Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.:

Hughes, Joseph P, et al, 1996. "Efficient Banking under Interstate Branching," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 28(4), pages 1045-71, November. [Downloadable!] (restricted)
Salant, Stephen W & Switzer, Sheldon & Reynolds, Robert J, 1983. "Losses from Horizontal Merger: The Effects of an Exogenous Change in Industry Structure on Cournot-Nash Equilibrium," The Quarterly Journal of Economics, MIT Press, vol. 98(2), pages 185-99, May. [Downloadable!] (restricted)
Joseph P. Hughes & Loretta J. Mester, 1998. "Bank Capitalization And Cost: Evidence Of Scale Economies In Risk Management And Signaling," The Review of Economics and Statistics, MIT Press, vol. 80(2), pages 314-325, May. [Downloadable!] (restricted)
Other versions:
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Albert Banal-Estañol & Marco Ottaviani, 2006. "Mergers with Product Market Risk," Journal of Economics & Management Strategy, Blackwell Publishing, vol. 15(3), pages 577-608, 09. [Downloadable!] (restricted)
Other versions:
- Banal - Estanol, Albert & Ottaviani, Marco, 2005. "Mergers with Product Market Risk," CEPR Discussion Papers 4831, C.E.P.R. Discussion Papers. [Downloadable!] (restricted)
Joseph P. Hughes & William W. Lang & Loretta J. Mester & Choon-Geol Moon, 1996. "Efficient banking under interstate branching," Working Papers 96-9, Federal Reserve Bank of Philadelphia. [Downloadable!]
Other versions:
- Joseph P. Hughes & William Lang & Loretta J. Mester & Choon-Geol Moon, 1996. "Efficient banking under interstate branching," Proceedings, Board of Governors of the Federal Reserve System (U.S.), pages 1045-1075.
Farrell, Joseph & Shapiro, Carl, 1990. "Horizontal Mergers: An Equilibrium Analysis," American Economic Review, American Economic Association, vol. 80(1), pages 107-26, March. [Downloadable!] (restricted)
Other versions:
- Joseph Farrell and Carl Shapiro., 1988. "Horizontal Mergers: An Equilibrium Analysis," Economics Working Papers 8880, University of California at Berkeley.
- Farrell, J. & Shapiro, C., 1989. "Horizontal Mergers: An Equilibrium Analysis," Papers e-89-3, Stanford - Hoover Institution.
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Carletti, Elena & Hartmann, Philipp & Spagnolo, Giancarlo, 2005. "Bank Mergers, Competition and Liquidity," Working Paper Series 182, Sveriges Riksbank (Central Bank of Sweden). [Downloadable!]
Other versions:
- Carletti, Elena & Hartmann, Philipp & Spagnolo, Giancarlo, 2004. "Bank Mergers, Competition and Liquidity," CEPR Discussion Papers 4260, C.E.P.R. Discussion Papers. [Downloadable!] (restricted)
- Elena Carletti & Philipp Hartmann & Giancarlo Spagnolo, 2003. "Bank mergers, competition and liquidity," Working Paper Series 292, European Central Bank. [Downloadable!]
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- Elena Carletti & Philipp Hartman & Giancarlo Spagnolo, 2003. "Bank mergers, competition, and liquidity," Proceedings, Federal Reserve Bank of Chicago, issue May, pages 89-99.
McAllister, Patrick H. & McManus, Douglas, 1993. "Resolving the scale efficiency puzzle in banking," Journal of Banking & Finance, Elsevier, vol. 17(2-3), pages 389-405, April. [Downloadable!] (restricted)
Paola Sapienza, 2002. "The Effects of Banking Mergers on Loan Contracts," Journal of Finance, American Finance Association, vol. 57(1), pages 329-367, 02. [Downloadable!] (restricted)
Asplund, Marcus, 2002. "Risk-averse firms in oligopoly," International Journal of Industrial Organization, Elsevier, vol. 20(7), pages 995-1012, September. [Downloadable!] (restricted)
Other versions:
- Asplund, Marcus, 1995. "Risk-Averse Firms in Oligopoly," Working Paper Series in Economics and Finance 69, Stockholm School of Economics, revised 21 Sep 1999. [Downloadable!]

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