DIOS PALOMARES, RAFAELA; PAZ, MARTÍNEZ; MIGUEL, JOSÉ; … - In: Estudios de Economía Aplicada 24 (2006) Abril, pp. 477-497
The environmental variables infl uence must be considered in the effi ciency analysis in order to account for exogenous … methods that include environmental variables. Later on, we propose a new three steps method that add a third step to the …