Sueyoshi, Toshiyuki; Goto, Mika - In: Energy Economics 34 (2012) 6, pp. 1854-1863
This study discusses how to apply Data Environment Analysis (DEA) for environmental assessment. A unique feature of DEA environmental assessment is that it classifies outputs into desirable (good) and undesirable (bad) outputs because many firms often produce not only desirable outputs but also...