期刊
JOURNAL OF THE OPERATIONAL RESEARCH SOCIETY
卷 73, 期 8, 页码 1873-1888出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/01605682.2021.1931498
关键词
Data envelopment analysis; efficiency; performance measurement
资金
- National Natural Science Foundation of China [71971163]
- Natural Science Foundation of Zhejiang Province, China [LY17G010004]
The paper introduces a multiplier network directional distance function (DDF) model capable of handling negative data, which can be decomposed into a weighted average of process efficiency scores. The model is applicable under the assumptions of variable returns to scale (VRS) and constant returns to scale (CRS), and can address possible alternate process efficiencies.
The multiplier network directional distance function (DDF) model capable of handling negative data received little attention in the field of data envelopment analysis (DEA). The series system is a basic network one. Under the assumption of variable returns to scale (VRS), this paper extends the multiplier series DEA model for use with the DDF. The proposed series DDF model is non-oriented and can deal with negative data. The resulting system efficiency score can be decomposed as a weighted average of process efficiency scores. In the context of DDF, the issue of possible alternate process efficiencies is addressed. The proposed model can also be applied to the assumption of constant returns to scale (CRS). Moreover, we derive the mathematical relationship between the CRS form of our series DDF model and the series CCR model. Two empirical examples in the literature illustrate the applicability and advantages of the new model.
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