Cone ratios, assurance regions and similar data envelopment analysis (DEA) approaches measuring the efficiency of decision making units (DMU) restrict their ability to “show themselves in the most favorable light”. Indeed they limit the relations or the multipliers of inputs and outputs as...

A recent article of Dakpo, Jeanneaux and Latruffe critically reviews the developments, limits and future prospects of integrating environmental aspects into productive efficiency evaluation with Data Envelopment Analysis (DEA). In particular, it is concluded that multiple frontier technologies...