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Bancos Fusionados ¿Más Eficientes?

Author

Listed:
  • Gustavo Ferro

    (INECO - Instituto de Economía [Buenos Aires] - CONICET - Consejo Nacional de Investigaciones Científicas y Técnicas [Buenos Aires] - Facultad de Ciencias Económicas - UADE - Universidad Argentina de la Empresa [Buenos Aires])

  • Sonia León

    (INECO - Instituto de Economía [Buenos Aires] - CONICET - Consejo Nacional de Investigaciones Científicas y Técnicas [Buenos Aires] - Facultad de Ciencias Económicas - UADE - Universidad Argentina de la Empresa [Buenos Aires])

  • Carlos A. Romero

    (INECO - Instituto de Economía [Buenos Aires] - CONICET - Consejo Nacional de Investigaciones Científicas y Técnicas [Buenos Aires] - Facultad de Ciencias Económicas - UADE - Universidad Argentina de la Empresa [Buenos Aires])

Abstract

We assess potential efficiency gains arising from five bank mergers approved between 2005-11 using data envelopment analysis methodology. Given the differences between results from constant return to scale model and variable return to scale ones, we test returns to scale to discern the most suitable model. The potential efficiency gains levels from mergers are important under the constant return to scale model and more modest under variable returns to scale. From the comparison between the ex post and ex ante levels of efficiency, we observe different results of every operation, although there is some consistency of better and worst results.

Suggested Citation

  • Gustavo Ferro & Sonia León & Carlos A. Romero, 2014. "Bancos Fusionados ¿Más Eficientes?," Working Papers hal-01065980, HAL.
    • Handle: RePEc:hal:wpaper:hal-01065980
    Note: View the original document on HAL open archive server: https://hal.science/hal-01065980
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