Vlontzos, George; Niavis, Spyros; Manos, Basil - In: Renewable and Sustainable Energy Reviews 40 (2014) C, pp. 91-96
This study attempts to evaluate the energy and environmental efficiency of the primary sectors of the EU member state countries. The evaluation is based on a non-radial Data Envelopment Analysis (DEA) model which allows for non-proportional adjustments to energy inputs and undesirable outputs...