Wang, Ling; Chen, Zhongchang; Ma, Dalai; Zhao, Pei - In: Sustainability 5 (2013) 12, pp. 5319-5332
In this paper, we have proposed a general approach to obtain a projection of the nearest targets and minimum distance for a given unit. The method takes undesirable output into account. The idea behind it is that nearest targets and minimum distance lead to less variation in inputs and outputs...
