Du, Juan; Zhu, Joe; Cook, Wade D.; Huo, Jiazhen - In: Asia-Pacific Journal of Operational Research (APJOR) 32 (2015) 02, pp. 1550008-1
In many settings, systems are composed of a group of independent sub-units. Each sub-unit produces the same set of outputs by consuming the same set of inputs. Conventional data envelopment analysis (DEA) views such a system as a "black-box", and uses the sum of the respective inputs and outputs...