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Bank Mergers and Diversification: Implications for Competition Policy

  • Albert Banal-Estañol
  • Marco Ottaviani

"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 characterise 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." Copyright 2007 The Authors Journal compilation (c) 2007 Blackwell Publishing Ltd.

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File URL: http://www.blackwell-synergy.com/doi/abs/10.1111/j.1468-036X.2007.00372.x
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Article provided by European Financial Management Association in its journal European Financial Management.

Volume (Year): 13 (2007)
Issue (Month): 3 ()
Pages: 578-590

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Handle: RePEc:bla:eufman:v:13:y:2007:i:3:p:578-590
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  1. 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.
  2. 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.
  3. Paola Sapienza, 2002. "The Effects of Banking Mergers on Loan Contracts," Journal of Finance, American Finance Association, vol. 57(1), pages 329-367, 02.
  4. Banal-Estanol, Albert & Ottaviani, Marco, 2005. "Mergers with Product Market Risk," CEPR Discussion Papers 4831, C.E.P.R. Discussion Papers.
  5. Pyle, David H, 1971. "On the Theory of Financial Intermediation," Journal of Finance, American Finance Association, vol. 26(3), pages 737-47, June.
  6. 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.
  7. Asplund, Marcus, 1995. "Risk-Averse Firms in Oligopoly," SSE/EFI Working Paper Series in Economics and Finance 69, Stockholm School of Economics, revised 21 Sep 1999.
  8. Farrell, Joseph & Shapiro, Carl, 1988. "Horizontal Mergers: An Equilibrium Analysis," Department of Economics, Working Paper Series qt0tp305nx, Department of Economics, Institute for Business and Economic Research, UC Berkeley.
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