基于DEA和SFA方法的农户灌溉用水效率比较研究——以西北地区的实地调查数据为例被引量：21

A Comparative Study of Irrigation Water Efficiency of Farmers Based on DEA and SFA——by Using Survey Data from Northwest China

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摘要根据2007年西北地区432个农户的实地调查数据,采用随机前沿分析(SFA)和数据包络分析(DEA)方法对微观层面的农户灌溉用水效率进行测度,在此基础上利用配对样本t检验和Spearman相关检验比较分析两类方法的效率估计得分,结果表明虽然规模收益不变假设下的DEA效率值显著小于SFA效率估计值,但两种方法所测算的农户灌溉用水效率排名具有显著一致性。可为深入开展运用不同方法考察农户灌溉用水效率问题提供有益的参考。 According to the survey data concerning 432 farmers from northwest regions, the methods of DEA and SFA are used to evaluate farmers＇ irrigation water efficiency. Then relativity and coincidence are tested. The results indicate that there is a remarkable difference between DEA efficiency and SFA efficiency, but they have a good coincidence in efficiency taxis.

作者王学渊

机构地区浙江工商大学经济学院

出处《中国农村水利水电》北大核心 2010年第1期8-13,共6页 China Rural Water and Hydropower

基金国家自然科学基金资助项目(70873108)

关键词农户灌溉用水效率 SFA DEA farm households irrigation water efficiency stochastic frontier analysis data envelopment analysis

分类号 F323.2 [经济管理—产业经济]

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