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The Effects of Concentration on Competition and Efficiency : Some Evidence from the French Audit Market

  • Géraldine Broye
  • Laurent Weill

    ()

    (Laboratoire de Recherche en Gestion et Economie, Institut d'Etudes Politiques, Strasbourg)

This paper aims at investigating the effects of concentration on competition and cost efficiency of the French audit market. Competition is measured with the Rosse-Panzar model, while cost efficiency is estimated with stochastic frontier approach. Cost efficiency levels are estimated at around 75% with greater efficiency for Big-Four firms, while the nature of competition appears to be monopolistic competition. Dynamic analysis shows a reduction in competition, and a decrease in cost efficiency for Big-Four and non-Big-Four firms between 1999 and 2003. We therefore provide support to a negative impact of concentration on competition and cost efficiency.

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Paper provided by Laboratoire de Recherche en Gestion et Economie (LaRGE), Université de Strasbourg in its series Working Papers of LaRGE Research Center with number 2008-04.

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Date of creation: 2008
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Handle: RePEc:lar:wpaper:2008-04
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  1. Sullivan, Mary W, 2002. "The Effect of the Big Eight Accounting Firm Mergers on the Market for Audit Services," Journal of Law and Economics, University of Chicago Press, vol. 45(2), pages 375-99, October.
  2. Greene, William H., 1990. "A Gamma-distributed stochastic frontier model," Journal of Econometrics, Elsevier, vol. 46(1-2), pages 141-163.
  3. Demsetz, Harold, 1973. "Industry Structure, Market Rivalry, and Public Policy," Journal of Law and Economics, University of Chicago Press, vol. 16(1), pages 1-9, April.
  4. Claessens, Stijn & Laeven, Luc, 2003. "What drives bank competition? some international evidence," Policy Research Working Paper Series 3113, The World Bank.
  5. Jondrow, James & Knox Lovell, C. A. & Materov, Ivan S. & Schmidt, Peter, 1982. "On the estimation of technical inefficiency in the stochastic frontier production function model," Journal of Econometrics, Elsevier, vol. 19(2-3), pages 233-238, August.
  6. Aigner, Dennis & Lovell, C. A. Knox & Schmidt, Peter, 1977. "Formulation and estimation of stochastic frontier production function models," Journal of Econometrics, Elsevier, vol. 6(1), pages 21-37, July.
  7. Willekens, Marleen & Achmadi, Christina, 2003. "Pricing and supplier concentration in the private client segment of the audit market: Market power or competition?," The International Journal of Accounting, Elsevier, vol. 38(4), pages 431-455.
  8. Ting-Wong Cheng & Kuo-Liang Wang & Chih-Chiang Weng, 2000. "Economies of scale and scope in Taiwan's CPA service industry," Applied Economics Letters, Taylor & Francis Journals, vol. 7(6), pages 409-414.
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