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The determinants of net interest income in the Mexican banking system: an integrated model

  • Joaquín Maudos Villarroya

    ()

    (Universitat de València)

  • Liliana Solís

    ()

    (Universitat de València)

This paper analyzes net interest income in the Mexican banking system over the period 1993-2005. Taking as reference the seminal work by Ho and Saunders (1981) and subsequent extensions by other authors, our study models the net interest margin simultaneously including operating costs and diversification and specialization as determinants of the margin. The results referring to the Mexican case show that its high margins can be explained mainly by average operating costs and by market power. Although non-interest income has increased in recent years, its economic impact is low. El trabajo analiza el margen de intermediación de la banca Mexicana en el periodo 1996-2005. Tomando como referencia el trabajo seminal de Ho and Saunders (1981) y extensiones posteriores de otros autores, nuestro estudio modeliza el margen de intermediación incluyendo simultáneamente los costes operativos y la diversificación y especialización como determinantes del margen. Los resultados referidos al caso mexicano muestran que los altos márgenes vienen explicados principalmente por los costes medios operativos y por el poder de mercado. Si bien los ingresos no financieros han aumentando en los últimos años, su impacto económico es reducido.

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File URL: http://www.ivie.es/downloads/docs/wpasec/wpasec-2009-05.pdf
File Function: Fisrt version / Primera version, 2009
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Paper provided by Instituto Valenciano de Investigaciones Económicas, S.A. (Ivie) in its series Working Papers. Serie EC with number 2009-05.

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Length: 36 pages
Date of creation: Jun 2009
Date of revision:
Publication status: Published by Ivie
Handle: RePEc:ivi:wpasec:2009-05
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  8. Liliana Solís & Joaquín Maudos Villarroya, 2007. "Deregulation, Liberalization And Consolidation Of The Mexican Banking System: Effects On Competition," Working Papers. Serie EC 2007-13, Instituto Valenciano de Investigaciones Económicas, S.A. (Ivie).
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  10. Claeys, Sophie & Vander Vennet, Rudi, 2008. "Determinants of bank interest margins in Central and Eastern Europe: A comparison with the West," Economic Systems, Elsevier, vol. 32(2), pages 197-216, June.
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  12. Brock, Philip L. & Rojas Suarez, Liliana, 2000. "Understanding the behavior of bank spreads in Latin America," Journal of Development Economics, Elsevier, vol. 63(1), pages 113-134, October.
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  15. Bun, Maurice J. G. & Kiviet, Jan F., 2003. "On the diminishing returns of higher-order terms in asymptotic expansions of bias," Economics Letters, Elsevier, vol. 79(2), pages 145-152, May.
  16. Lepetit, Laetitia & Nys, Emmanuelle & Rous, Philippe & Tarazi, Amine, 2008. "The expansion of services in European banking: Implications for loan pricing and interest margins," Journal of Banking & Finance, Elsevier, vol. 32(11), pages 2325-2335, November.
  17. Fausto Hernández-Trillo & Marcos Ávalos, 2006. "Competencia bancaria en México," Working papers DTE 376, CIDE, División de Economía.
  18. Demirguc, Asli & Huizinga, Harry, 1999. "Determinants of Commercial Bank Interest Margins and Profitability: Some International Evidence," World Bank Economic Review, World Bank Group, vol. 13(2), pages 379-408, May.
  19. Giovanni S.F. Bruno, 2004. "Approximating the Bias of the LSDV Estimator for Dynamic Unbalanced Panel Data Models," KITeS Working Papers 159, KITeS, Centre for Knowledge, Internationalization and Technology Studies, Universita' Bocconi, Milano, Italy, revised Jul 2004.
  20. Rubén Hernández-Murillo, 2007. "Experiments in financial liberalization: the Mexican banking sector," Review, Federal Reserve Bank of St. Louis, issue Sep, pages 415-432.
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  22. Saunders, Anthony & Schumacher, Liliana, 2000. "The determinants of bank interest rate margins: an international study," Journal of International Money and Finance, Elsevier, vol. 19(6), pages 813-832, December.
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