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Economías de Escala y Economías de Ámbito en el Sistema Bancario Chileno

  • Carlos Budnevich
  • Helmut Franken
  • Ricardo Paredes

Este estudio se focaliza en la eficiencia de costos del sistema bancario chileno. Se encuentra evidencia a favor de la existencia de economías de escala en bancos de tamaño pequeño y mediano, no así para los bancos grandes. La inexistencia de evidencia a favor de las economías de ámbito no respalda la creencia usual de que un supermercado financiero es necesariamente más eficiente. Con todo, las nulas o acotadas ganancias de eficiencia que se pueden obtener al aumentar la escala de producción o la composición de la canasta de productos ofrecida, son consistentes con una industria bancaria chilena operando eficientemente, en términos de costos, durante la década de los noventa. La principal fortaleza de este resultado es que se deriva de la estimación de una función de costos flexible, la cual no impone un sesgo hacia deseconomías de escala como es el caso de una función de costos translogarítmica. Además, nuestros resultados son robustos a distintas combinaciones de la canasta de servicios financieros que ofrecen los bancos. Finalmente, entre otros resultados, nuestro estudio respalda el argumento de que los bancos que mantuvieron deuda subordinada aumentaron su eficiencia, en términos de costos, una vez extinguida dicha obligación.

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Paper provided by Central Bank of Chile in its series Working Papers Central Bank of Chile with number 93.

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Date of creation: Apr 2001
Date of revision:
Handle: RePEc:chb:bcchwp:93
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