我国省际农业用水效率测评与空间溢出效应研究

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英文篇名：Provincial agricultural water use efficiency evaluation and spatial spillover effect in China 作者：陈洪斌 英文作者：CHEN Hongbin;Postdoctoral Station of School of Economics and Management,Tsinghua University;Postdoctoral Workstation of Longjing Bank; 关键词：农业用水效率 ; 测评 ; 空间溢出效应 英文关键词：agricultural water use efficiency;;measurement;;spatial spillover effects 中文刊名：GHZH 英文刊名：Journal of Arid Land Resources and Environment 机构：清华大学经济管理学院博士后流动站;龙江银行博士后工作站; 出版日期：2017-02-15 出版单位：干旱区资源与环境 年：2017 期：v.31;No.222 基金：黑龙江省博士后基金项目LBH-Z15216资助 语种：中文; 页：GHZH201702015 页数：6 CN：02 ISSN：15-1112/N 分类号：87-92

摘要

以我国31个省份为例,运用三阶段DEA模型和空间计量模型对各省农业用水效率及其溢出效应进行测评与分析。结果表明:我国绝大多数省份农业用水效率较低,农业用水效率提升空间较大。同时,农业用水效率的外部环境变量对各省份农业用水效率的测评结果影响明显,剔除外部环境变量的农业用水效率值更能真实反映真实效率。在考察各省农业用水效率存在空间相关性基础上,利用空间滞后项模型分析了农业用水效率的空间溢出效应,各省农业用水效率不仅受到本省各变量因素影响,还受到空间相邻省份影响,表现出明显的空间溢出效应。
        Using the three stage DEA model and spatial econometric model the provincial agricultural water use efficiency and its spillover effect was evaluated and analyzed. Results show that the vast majority of China's agricultural water use efficiency was low,agricultural water efficiency potential is larger. At the same time,the external environment variable of agricultural water use efficiency affected obviously the assessment result of provincial agricultural water use efficiency. eliminating the external environment variable of agricultural water use efficiency can reflect the true efficiency. On the basis of examining the spatial correlation of the provincial agricultural water use efficiency,spatial lag term model was used to analyze the spatial spillover effects of agricultural water efficiency. It is concluded that the provincial agricultural water use efficiency was not only affected by provincial own variable factors,also affected by adjacent provinces,showing obvious spatial spillover effects.

引文

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