In this paper a number of meaningful and empirically implementable decompositions of the cost variation (in difference and ratio form) are developed. The components distinguished are price level change, technical efficiency change, allocative efficiency change, technological change, scale of...

This study introduces the measurement of environmental inefficiency from an economic perspective that integrates, in addition to marketed good outputs, the negative environmental externalities associated with bad outputs. We develop our proposal using the latest by- production models that...

This paper is concerned with introducing a series of new concepts under the name of Economic Cross-Efficiency, which is rendered operational through Data Envelopment Analysis (DEA) techniques. To achieve this goal, from a theoretical perspective, we connect two key topics in the efficiency...