Epure, Mircea; Kerstens, Kristiaan; Prior, Diego - In: European Journal of Operational Research 211 (2011) 3, pp. 630-641
The purpose of this paper is twofold. First, in the framework of the strategic groups' literature, it analyZes changes in productivity and efficiency of Spanish private and savings banks over an eight-year period (1998-2006). Second, by adapting the decomposition of the Malmquist productivity...