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Editor: Universidad Carlos III de Madrid. Departamento de Economía de la Empresa

Issued date: 2007-03

Serie-No.: UC3M Working papers. Business Economics07-07

Keywords: Banking , Cognitive groups , Data Envelopment Analysis , Stable strategic time periods , Strategic groups

Rights: Atribución-NoComercial-SinDerivadas 3.0 España

Abstract:In the framework of Cognitive Approach, this paper proposes a new method to identifystrategic groups (SG) using Data Envelopment Analysis (DEA) methods. Twoassumptions are maintained in the SG literature: first, firms grouped together valueinputs and outIn the framework of Cognitive Approach, this paper proposes a new method to identifystrategic groups (SG) using Data Envelopment Analysis (DEA) methods. Twoassumptions are maintained in the SG literature: first, firms grouped together valueinputs and outputs similarly, and, second, some degree of stability in those valuationsshould be identified. Virtual weights obtained from DEA are extremely useful in thevaluation of the strategic variables, but a problem emerges when longitudinal analysis isperformed. This problem is addressed by defining a long run DEA evaluation. SGs aredetermined by means of Cluster Analysis, using virtual outputs and virtual inputs asvariables and Spanish savings banks as observations. The traditional method ofdetermining SGs by clustering on the original variables is also applied and the resultsare compared. It is shown that the long run DEA weights approach has advantages overthe traditional methodology.+-





Author: Prior, Diego; Surroca, Jordi

Source: http://e-archivo.uc3m.es


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Universidad Carlos III de Madrid Repositorio institucional e-Archivo http:--e-archivo.uc3m.es Departamento de Economía de la Empresa DEE - Working Papers.
Business Economics.
WB 2007-03 Cognitive strategic groups and long-run efficiency evaluation : the case of Spanish savings banks Prior, Diego http:--hdl.handle.net-10016-646 Descargado de e-Archivo, repositorio institucional de la Universidad Carlos III de Madrid Working Paper 07-10 Business Economics Series 04 March 2007 Departamento de Economía de la Empresa Universidad Carlos III de Madrid Calle Madrid, 126 28903 Getafe (Spain) Fax (34-91) 6249607 COGNITIVE STRATEGIC GROUPS AND LONG-RUN EFFICIENCY EVALUATION: THE CASE OF SPANISH SAVINGS BANKS∗ Diego Prior 1 and Jordi Surroca 2 Abstract In the framework of Cognitive Approach, this paper proposes a new method to identify strategic groups (SG) using Data Envelopment Analysis (DEA) methods.
Two assumptions are maintained in the SG literature: first, firms grouped together value inputs and outputs similarly, and, second, some degree of stability in those valuations should be identified.
Virtual weights obtained from DEA are extremely useful in the valuation of the strategic variables, but a problem emerges when longitudinal analysis is performed.
This problem is addressed by defining a long run DEA evaluation.
SGs are determined by means of Cluster Analysis, using virtual outputs and virtual inputs as variables and Spanish savings banks as observations.
The traditional method of determining SGs by clustering on the original variables is also applied and the results are compared.
It is shown that the long run DEA weights approach has advantages over the traditional methodology. Keywords: banking, cognitive groups, Data Envelopment Analysis, stable strategic time periods, strategic groups JEL Classification: C61, D24, G21, L11 ∗ Los autores quieren agradecer el respaldo financiero del Ministerio de Ciencia y Tecnología (royecto # SEC2003-04770), de...





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