Lozano, Sebastián; Gutiérrez, Ester - In: Transportation Planning and Technology 37 (2014) 7, pp. 623-637
Conventional data envelopment analysis (DEA) models consider a system as a single-process 'black box'. There are, however, DEA approaches that consider a system as composed of distinct processes or stages, each one with its own inputs and outputs and with intermediate flows among the stages. In...