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What determines banks’ market power? Akerlof versus Herfindahl

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Author Info

  • Moshe Kim

    (University of Haifa)

  • Eirik Gaard Kristiansen

    (Norwegian School of Economics and Business Administration)

  • Bent Vale

    (Norges Bank)

Abstract

We introduce a model analyzing how asymmetric information problems in a bank-loan market may evolve over the age of a borrowing firm. The model predicts a life-cycle pattern for banks’interest rate markup. Young firms pay a low or negative markup, thereafter the markup increases until it falls for old firms. Furthermore, the pattern of the life-cycle depends on the informational advantage of the inside bank and when more dispersed borrower information yields fiercer bank competition. By applying a new measure of the informational advantage of inside banks and a large sample of small Nor-wegian firms, we find empirical support for the predicted markup pattern. We disentangle effects of asymmetric information (Akerlof effect)from effects of a concentrated banking market(Herfindahl effect). Our results indicate that the interest rate markups are not influenced by bank market concentration.

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Bibliographic Info

Paper provided by Norges Bank in its series Working Paper with number 2005/8.

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Length: 38 pages
Date of creation: 12 Sep 2005
Date of revision:
Handle: RePEc:bno:worpap:2005_08

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Keywords: Banking; risk-pricing; lock-in;

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References

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  1. Kim, Moshe & Kristiansen, Eirik Gaard & Vale, Bent, 2005. "Endogenous product differentiation in credit markets: What do borrowers pay for?," Journal of Banking & Finance, Elsevier, vol. 29(3), pages 681-699, March.
  2. Nicola Cetorelli & Michele Gambera, 1999. "Banking Market Structure, Financial Dependence and Growth: International Evidence from Industry Data," Center for Financial Institutions Working Papers 00-19, Wharton School Center for Financial Institutions, University of Pennsylvania.
  3. Ongena, Steven & Smith, David C., 2000. "What Determines the Number of Bank Relationships? Cross-Country Evidence," Journal of Financial Intermediation, Elsevier, vol. 9(1), pages 26-56, January.
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  9. Sharpe, Steven A, 1990. " Asymmetric Information, Bank Lending, and Implicit Contracts: A Stylized Model of Customer Relationships," Journal of Finance, American Finance Association, vol. 45(4), pages 1069-87, September.
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  16. Hans Degryse & Steven Ongena, 2004. "The Impact of Competition on Bank Orientation and Specialization (new titel: The impact of competition on bank orientation)," CESifo Working Paper Series 1119, CESifo Group Munich.
  17. von Thadden, Ernst-Ludwig, 2004. "Asymmetric information, bank lending and implicit contracts: the winner's curse," Finance Research Letters, Elsevier, vol. 1(1), pages 11-23, March.
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Citations

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Cited by:
  1. Geraldo Cerqueiro & Hans Degryse & Steven Ongena, 2007. "Rules versus Discretion in Loan Rate Setting," CESifo Working Paper Series 2091, CESifo Group Munich.
  2. Eirik Gaard Kristiansen, 2005. "Strategic bank monitoring and firms’ debt structure," Working Paper 2005/10, Norges Bank.
  3. Khan, Mehwish Aziz & Kayani, Ferheen & Javid, Attiya Yasmin, 2011. "Effect of Mergers and Acquisitions on Market Concentration and Interest Spread," MPRA Paper 37311, University Library of Munich, Germany.

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