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Intensity of competition and market structure in the Italian banking industry

  • GIANNETTI, Caterina

The aim of this paper is to test the predictions of Sutton's model of independent submarkets for the Italian retail banking industry. This industry, in fact, can be viewed as made of a large number of local markets corresponding to different geographical locations. In order to do that, I first develop a model of endogenous mergers that shows how the number of firms is determined by the initial number of firms, by the intensity of competition, and by the degree of product differentiation, and how this in turn affects the one-firm concentration index. Then, in the second part, the number of banks in each submarket is estimated using a truncated model and a Poisson model. The size of the submarkets turned out to be at most provincial. Finally, the one-firm concentration ratio of each province is regressed on the number of banks, also in interaction with market size variables. As argued by Sutton for industries with exogenous sunk costs, a stronger and negative relationship is found as the market becomes larger.

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Paper provided by Université catholique de Louvain, Center for Operations Research and Econometrics (CORE) in its series CORE Discussion Papers with number 2007041.

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Date of creation: 01 Jun 2007
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Handle: RePEc:cor:louvco:2007041
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  1. Leslie E. Papke & Jeffrey M. Wooldridge, 1993. "Econometric Methods for Fractional Response Variables with an Application to 401(k) Plan Participation Rates," NBER Technical Working Papers 0147, National Bureau of Economic Research, Inc.
  2. Buzzacchi, Luigi & Valletti, Tommaso, 2002. "Firm Size Distribution: Testing the 'Independent Submarkets Model' in the Italian Motor Insurance Industry," CEPR Discussion Papers 3444, C.E.P.R. Discussion Papers.
  3. Vasconcelos, Helder, 2006. "Endogenous mergers in endogenous sunk cost industries," International Journal of Industrial Organization, Elsevier, vol. 24(2), pages 227-250, March.
  4. Petersen, Mitchell A & Rajan, Raghuram G, 1995. "The Effect of Credit Market Competition on Lending Relationships," The Quarterly Journal of Economics, MIT Press, vol. 110(2), pages 407-43, May.
  5. V. Cerasi & B. CHIZZOLINI & M. IVALDI, 1998. "Branching and Competitiveness across Regions in the Italian Banking Industry," Departmental Working Papers 1998-03, Department of Economics, Management and Quantitative Methods at Università degli Studi di Milano.
  6. de Juan, Rebeca, 2003. "The independent submarkets model: an application to the Spanish retail banking market," International Journal of Industrial Organization, Elsevier, vol. 21(10), pages 1461-1487, December.
  7. Smith, Richard J & Blundell, Richard W, 1986. "An Exogeneity Test for a Simultaneous Equation Tobit Model with an Application to Labor Supply," Econometrica, Econometric Society, vol. 54(3), pages 679-85, May.
  8. Rivers, Douglas & Vuong, Quang H., 1988. "Limited information estimators and exogeneity tests for simultaneous probit models," Journal of Econometrics, Elsevier, vol. 39(3), pages 347-366, November.
  9. Vittoria Cerasi & Barbara Chizzolini & Marc Ivaldi, 2002. "Branching and competition in the European banking industry," Applied Economics, Taylor & Francis Journals, vol. 34(17), pages 2213-2225.
  10. Marcello Bofondi & Giorgio Gobbi, 2004. "Bad Loans and Entry into Local Credit Markets," Temi di discussione (Economic working papers) 509, Bank of Italy, Economic Research and International Relations Area.
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