本文在运用主成分分析方法提取出新疆农业循环经济投入和产出变量主成分的基础上,借助三阶段DEA模型对新疆2014年14个地州的农业循环经济效率进行分析。结果表明:外部环境对新疆农业循环经济的效率具有重要影响,剔除环境因素和随机因素后各地州的农业循环经济效率值变化较大;新疆农业循环经济效率低下,规模效率不高是制约新疆农业循环经济效率提升的主要原因,且各地州的效率差异大。本文根据调整后纯技术效率和规模效率,将新疆各地州的农业循环经济划分为四种类型,各地州可按照自身所处的类型,寻找效率提升的路径。
Based on extracting principal components of input and output variables of Xinjiang agricultural circular economy by using principal component analysis method, the efficiency of agricultural circular economy of 14 prefectures and regions in Xinjiang in 2014 is analyzed with the aid of three-stage DEA model. The results show that the external environment has an important influence on efficiency of agricultural circular economy in Xinjiang, and the efficiency value of agricultural circular economy in different prefectures and regions change greatly after eliminating environmental factors and random factors; the agricultural circular economy is inefficient in Xinjiang, which is caused by low scale efficiency, and there is a big gap among the different prefectures and regions in terms of agricultural circular economy. According to pure technical efficiency and scale efficiency, the agricultural circular economy in different prefectures and regions is divided into four types, and they could search ways to improve efficiency on the basis of their types.
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