Malikov, Emir; Restrepo-Tobón, Diego A.; Kumbhakar, … - UNIVERSIDAD EAFIT - 2013
this model to estimate returns to scale for the U.S. retail credit unions from 1994 to 2011. Unlike recent studies, we find … that not all credit unions enjoy increasing returns to scale. A nonnegligible number of large institutions operate at … decreasing returns to scale, indicating that they should either cut back in size or switch to a more efficient technology by re …