Beltrán-Esteve, Mercedes; Gómez-Limón, José; … - In: Journal of Productivity Analysis 41 (2014) 1, pp. 69-83
This paper uses directional distance functions to extend the non-parametric metafrontier approach to efficiency measurement proposed by O’Donnell et al. (Empir Econ 34:231–255, <CitationRef CitationID="CR38">2008</CitationRef>) to the assessment of technological differences in eco-efficiency between groups of producers. Furthermore,...</citationref>
