Sueyoshi, Toshiyuki; Goto, Mika - In: Energy Economics 34 (2012) 3, pp. 634-644
This study discusses a combined use of DEA (Data Environment Analysis) and DEA–DA (Discriminant Analysis) to determine …. Then, it utilizes DEA–DA to assess their efficiency scores and ranks. In this stage, we can find an adjusted efficiency … efficient and inefficient groups. Second, DEA–DA, applied to the two groups, evaluates all energy firms by an industry …