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Including environmental variables in the effi ciency analysis: A three-step method/El análisis de efi ciencia con variables de entorno: un método de programas con tres etapas

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  • DIOS PALOMARES, RAFAELA

    ()
    (Dpto. de Estadística. ETSIAM. Universidad de Córdoba.Campus de Rabanales. Edifício C2. 2ª planta, CÓRDOBA. Telf: 957218479.)

  • MARTÍNEZ PAZ, JOSÉ MIGUEL

    ()
    (Dpto. de Economía Aplicada. Facultad de Economía y Empresa. Universidad de Murcia. Miembros del Grupo de Eficiencia y Productividad de la Universidad de Córdoba (EFIUCO).)

  • MARTÍNEZCARRASCO PLEITE, FEDERICO

    ()
    (Dpto. de Economía Aplicada. Facultad de Economía y Empresa. Universidad de Murcia. Miembros del Grupo de Eficiencia y Productividad de la Universidad de Córdoba (EFIUCO).)

Abstract

The environmental variables infl uence must be considered in the effi ciency analysis in order to account for exogenous factors out of the managerial control. The fi rst objective of this work is to show a survey of the effi ciency frontier methods that include environmental variables. Later on, we propose a new three steps method that add a third step to the Charnes, Cooper and Rhodes (1981) program method, in order to include categorical variables defi ning different groups. Finally, and as example, this new effi ciency analysis method is applied, to the vegetable preserves industry in Murcia Region (Spain). The results demonstrate that fi rms belonging to the Technological Centre have a higher frontier than the other fi rms, having being this fact considered as a categorical environmental variable. Los análisis de la eficiencia aplicando técnicas econométricas o de programación matemática debieran tener presente la infl uencia que en cada empresa tienen variables externas al proceso de producción, y por ello fuera del control de cada unidad empresarial. En el presente trabajo se realiza una revisión de los métodos de análisis de efi ciencia mediante frontera (técnica y económica) que tienen en consideración las variables de entorno o ambientales. A continuación se propone un nuevo método de tres etapas, ampliando el propuesto por Charnes, Cooper y Rhodes (1981) para la inclusión en los análisis efi ciencia de variables de entorno de carácter categórico. Finalmente, y básicamente a modo de ejemplo del método propuesto, se aplica el método al análisis de efi ciencia de la industria de conservas vegetales de la Región de Murcia, deduciéndose y corrigiéndose el efecto que sobre la efi ciencia estimada de cada unidad tiene la pertenencia al Centro Tecnológico del sector.

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Bibliographic Info

Article provided by Estudios de Economía Aplicada in its journal Estudios de Economía Aplicada.

Volume (Year): 24 (2006)
Issue (Month): (Abril)
Pages: 477-497

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Handle: RePEc:lrk:eeaart:24_1_16

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Keywords: Efficiency; Environmental variables; DEA/EfiCiencia; Variables de entorno; DEA.;

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