a four-stage DEA methodology based on the approach advocated by Fried - Schmidt - Yaisawarng (1999) and advanced by … Drake - Hall - Simper (2003), respectively. The latter approach improves upon the former by employing a slacks-based DEA … technical efficiency. In order to cope with the inherent dependency problem of DEA-based efficiency scores when incorporated …

. Analytically, we apply a multiple-stage approach based on a slacks-based DEA model (SBM) and a censored regression model …, respectively. In order to cope with the inherent dependency problem of DEA-based efficiency analysis when incorporated into … power of standard regression analysis based on DEA processed data. The empirical analysis is based on an unbalanced panel of …

, participated in a domestic intra-banking merger or acquisition operation since 1995. For this purpose we apply the DEA methodology … external determinants. In order to cope with the inherent dependency problem of DEA-based efficiency scores when incorporated …