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Measuring Competition in Banking : A Disequilibrium Approach


  • John Goddard

    (Bangor Business School, University of Wales)

  • John O.S. Wilson

    (School of Managent, University of St. Andrews)


The "Rosse-Panzar" revenue test for competitive conditions in banking is based on observation of the impact on bank revenue of variation in factor input prices. We identify the implications for the H-statistics of misspecification bias in the revenue equation arising when adjustment towards market equilibrium is partial and not instantaneous. In simulation, fixed effects estimation produces a measured H-statistic that is severely biased towards zero. Empirical results for the banking sectors of six developed countries corroborate our principal finding, that a dynamic formulation of the revenue equation is required for accurate identification of the H-statistics.

Suggested Citation

  • John Goddard & John O.S. Wilson, 2008. "Measuring Competition in Banking : A Disequilibrium Approach," EIEF Working Papers Series 0808, Einaudi Institute for Economics and Finance (EIEF), revised Apr 2008.
  • Handle: RePEc:eie:wpaper:0808

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    References listed on IDEAS

    1. J.A. Bikker & L. Spierdijk & P. Finnie, 2007. "The Impact of Market Structure, Contestability and Institutional Environment on Banking Competition," Working Papers 07-29, Utrecht School of Economics.
    2. Jacob Bikker & Laura Spierdijk & Paul Finnie, 2006. "Misspecifiation of the Panzar-Rosse Model: Assessing Competition in the Banking Industry," DNB Working Papers 114, Netherlands Central Bank, Research Department.
    3. Barbara Casu & Claudia Girardone, 2006. "Bank Competition, Concentration And Efficiency In The Single European Market," Manchester School, University of Manchester, vol. 74(4), pages 441-468, July.
    4. International Monetary Fund, 2007. "Italy—Assessing Competition and Efficiency in the Banking System," IMF Working Papers 07/26, International Monetary Fund.
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