Hernandez-Sancho, Francesc; Picazo-Tadeo, Andres; … - In: Environmental & Resource Economics 15 (2000) 4, pp. 365-378
This paper proposes an extension of the enhancedefficiency indices of Färe, Grosskopf, Lovell andPasurka (1989) that considers undesirable outputsasymmetrically by assuming that firms can freelydispose of some undesirable productions, but areduction of other bad outputs generates a cost interms...