传统三阶段DEA方法的模型选取仅限于径向或非径向测度方法，且通常从技术、规模和纯技术效率的视角出发，不考虑非期望产出。本文使用环境DEA技术将非期望产出考虑在内，并基于环境、经济和技术效率视角构建了改进的EBM-DEA三阶段模型，有效克服了仅用径向或非径向方法的不足。最后，使用该模型测算了我国2012年省际物流业的环境、经济与技术效率，结果表明：物流业环境效率整体偏低，经济效率呈现由东部沿海向西部内陆递减的趋势，加强环境管制可以提高经济效率，修正外部环境因素及随机误差后，东、中、西部的技术效率差异仍然很大。
DEA model in traditional three-stage methods is limited to radial or non-radial measurement methods. This model is only based on technique, scale, and pure technical efficiency, and without considering undesirable output. In this study, a modified EBM-DEA three-stage model is proposed based on the considerations of environmental, economic and technical efficiency, and the environment DEA technology is also used to take undesirable outputs into account in this model. It turns out that the new proposed model can effectively overcome the shortcomings of the traditional method which only considers radial or non-radial. The performance of Chinese provincial logistics industry is evaluated using the proposed model. The results indicate that the environmental efficiency of the logistics industry is low in general and the economic efficiency presents decreasing trend from the east coast to the west inland. The economic efficiency can be improved by strengthening the environmental regulation. The technical efficiencies of the eastern, central and western regions still vary noticeably even external environmental factors and random errors are amended.
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