基于空间杜宾模型的农业基础设施空间溢出效应

被引:25
作者
李飞
曾福生
机构
[1] 湖南农业大学经济学院
关键词
农业基础设施; 空间溢出; Moran's指数; 空间杜宾模型;
D O I
10.15957/j.cnki.jjdl.2016.06.019
中图分类号
F323 [农业经济建设与发展];
学科分类号
摘要
基于空间回归偏微分方法的空间杜宾模型,分别采用邻近空间、地理距离空间和经济空间作为权重矩阵,实证分析了中国农业基础设施存量对农业经济增长的空间溢出效应。结果表明:1在不同的空间权重条件下,中国农业经济增长均存在显著的空间依赖性;2农业基础设施存量对农业产出均存在正向的直接效应和溢出效应;3农业基础设施的空间溢出效应存在区域差异性,粮食主产区农业基础设施的空间溢出要强于粮食平衡区和粮食主销区,同时粮食主产区内部各区域的农业基础设施空间溢出效应也存在分化。
引用
收藏
页码:142 / 147
页数:6
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