BANCOS FUSIONADOS ¿MÁS EFICIENTES?

Gustavo Ferro, Sonia León and Carlos Romero

Working Papers from HAL

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.

Keywords: banks; mergers; DEA; efficiency; bancos; fusiones; eficiencia (search for similar items in EconPapers)
Date: 2014-09-18
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