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What determines banks’ market power? Akerlof versus Herfindahl

Author

Listed:
  • 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.

Suggested Citation

  • Moshe Kim & Eirik Gaard Kristiansen & Bent Vale, 2005. "What determines banks’ market power? Akerlof versus Herfindahl," Working Paper 2005/8, Norges Bank.
    • Handle: RePEc:bno:worpap:2005_08
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    References listed on IDEAS

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    Cited by:

    1. Cerqueiro, Geraldo & Degryse, Hans & Ongena, Steven, 2011. "Rules versus discretion in loan rate setting," Journal of Financial Intermediation, Elsevier, vol. 20(4), pages 503-529, October.
    2. Ari Hyytinen & Mika Pajarinen, 2007. "Is The Cost Of Debt Capital Higher For Younger Firms?," Scottish Journal of Political Economy, Scottish Economic Society, vol. 54(1), pages 55-71, February.
    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.
    4. Eirik Gaard Kristiansen, 2005. "Strategic bank monitoring and firms’ debt structure," Working Paper 2005/10, Norges Bank.
    5. Bonini, Stefano & Dell'Acqua, Alberto & Fungo, Matteo & Kysucky, Vlado, 2016. "Credit market concentration, relationship lending and the cost of debt," International Review of Financial Analysis, Elsevier, vol. 45(C), pages 172-179.

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    More about this item

    Keywords

    Banking; risk-pricing; lock-in;
    All these keywords.

    JEL classification:

    • G21 - Financial Economics - - Financial Institutions and Services - - - Banks; Other Depository Institutions; Micro Finance Institutions; Mortgages
    • L15 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Information and Product Quality

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