Bank productivity and performance groups: A decomposition approach based upon the Luenberger productivity indicator
نویسندگان
چکیده
The purpose of this paper is twofold. First, in the framework of the strategic groups’ literature, it analyses 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 indices suggested by Färe et al. (1994), it proposes similar components decomposing the Luenberger productivity indicator. Initially, total factor productivity is decomposed into technological and efficiency changes. Thereafter, this efficiency change is decomposed into pure efficiency, scale and congestion changes. Empirical results demonstrate that productivity improvements are partially due to technological innovation and show the competition between private and savings banks. While private banks enjoy better efficiency change, savings banks contribute more to technological progress. Consequently, the Luenberger components are used as cluster analysis inputs. Thus, economic interpretations of the resulting performance groups are made via key differences in total factor productivity components. Finally, according to the strategic groups’ literature, insights are gained by linking these performance groups with banking ratios.
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ورودعنوان ژورنال:
- European Journal of Operational Research
دوره 211 شماره
صفحات -
تاریخ انتشار 2011