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An Industrial Organization Analysis for the Colombian Banking System


  • Sandra Rozo


  • Diego Vásquez


  • Dairo Estrada



This paper presents two versions of a spatial competition model for the banking sector. The first version, describes a framework that follows closely Salop’s spatial competition model. This version is modified in the second part by introducing the loan market and default risk probabilities for credit. Both theoretical approaches are analyzed empirically for the Colombian data, covering the period 1996-2005. Our results allow us to construct a deviation of the observed number of branches from an optimal number of branches for the banking system throughout the period of study. The deviation indicates that in the last years the number of branches is below the optimum which suggest that political measures should focus in increasing the number of branches in the country. Additionally, we found empirical evidence of market separability between the loan and deposit markets, and finally, we were able to determine the signs of the relations between credit collateral, payment probability and interest rates.

Suggested Citation

  • Sandra Rozo & Diego Vásquez & Dairo Estrada, 2008. "An Industrial Organization Analysis for the Colombian Banking System," Borradores de Economia 528, Banco de la Republica de Colombia.
  • Handle: RePEc:bdr:borrec:528

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    References listed on IDEAS

    1. Adolfo Barajas & Roberto Steiner & Natalia Salazar, 1999. "Interest Spreads in Banking in Colombia, 1974-96," IMF Staff Papers, Palgrave Macmillan, vol. 46(2), pages 1-4.
    2. Yeyati, Eduardo Levy & Micco, Alejandro, 2007. "Concentration and foreign penetration in Latin American banking sectors: Impact on competition and risk," Journal of Banking & Finance, Elsevier, vol. 31(6), pages 1633-1647, June.
    3. Berg, Sigbjorn Atle & Kim, Moshe, 1994. "Oligopolistic Interdependence and the Structure of Production in Banking: An Empirical Evaluation," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 26(2), pages 309-322, May.
    4. Pita Barros, Pedro, 1999. "Multimarket competition in banking, with an example from the Portuguese market," International Journal of Industrial Organization, Elsevier, vol. 17(3), pages 335-352, April.
    5. Moshe Kim & Ana Lozano-Vivas & Antonio Morales, 2007. "Multistrategic Spatial Competition in Banking," International Journal of the Economics of Business, Taylor & Francis Journals, vol. 14(3), pages 351-366.
    6. Economides, Nicholas, 1989. "Desirability of Compatibility in the Absence of Network Externalities," American Economic Review, American Economic Association, vol. 79(5), pages 1165-1181, December.
    7. Neven, Damien & Roller, Lars-Hendrik, 1999. "An aggregate structural model of competition in the European banking industry," International Journal of Industrial Organization, Elsevier, vol. 17(7), pages 1059-1074, October.
    8. Uchida, Hirofumi & Tsutsui, Yoshiro, 2005. "Has competition in the Japanese banking sector improved?," Journal of Banking & Finance, Elsevier, vol. 29(2), pages 419-439, February.
    9. Shaffer, Sherrill, 1989. "Competition in the U.S. banking industry," Economics Letters, Elsevier, vol. 29(4), pages 321-323.
    10. Xavier Freixas & Jean-Charles Rochet, 1997. "Microeconomics of Banking," MIT Press Books, The MIT Press, edition 1, volume 1, number 0262061937, July.
    11. Biorn,E., 1999. "Estimating regression systems from unbalanced panel data : a stepwise maximum likelihood procedure," Memorandum 20/1999, Oslo University, Department of Economics.
    12. Shaffer, Sherrill, 1993. "A Test of Competition in Canadian Banking," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 25(1), pages 49-61, February.
    13. Dairo Estrada, 2005. "Efectos de las fusiones sobre el mercado financiero colombiano," Borradores de Economia 329, Banco de la Republica de Colombia.
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    More about this item


    Banking; Location; Competition; Colombia. Classification JEL: D4; G21; L13; R12.;

    JEL classification:

    • D4 - Microeconomics - - Market Structure, Pricing, and Design
    • G21 - Financial Economics - - Financial Institutions and Services - - - Banks; Other Depository Institutions; Micro Finance Institutions; Mortgages
    • L13 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Oligopoly and Other Imperfect Markets
    • R12 - Urban, Rural, Regional, Real Estate, and Transportation Economics - - General Regional Economics - - - Size and Spatial Distributions of Regional Economic Activity; Interregional Trade (economic geography)


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