农业生产的空间效应、产出弹性与技术差异分析——来自京津区县的例证  

Analysis on spatial effect,output elasticity and technical discrepancy of agricultural production: An example from Beijing and Tianjin counties

作　　者：崔凯[1] 李宁辉[1] 郭静利[1] 

机构地区：[1]中国农业科学院农业经济与发展研究所,北京100081

出　　处：《浙江农业学报》2015年第12期2240-2248,共9页Acta Agriculturae Zhejiangensis

基　　金：国家社会科学基金青年项目(15CXW026);天津市哲学社科基金项目(TJSR15-014);中国农业科学院创新工程农业经济与发展研究所"财政金融创新与农村发展"研究团队(CAAS-ASTIP-IAED03-2015)

摘　　要：以北京和天津为例,基于空间权重矩阵估算农业生产要素产出弹性,并对农业技术的区域差异进行分解。将空间效应纳入新古典投入产出模型,运用空间计量学方法考查京津地区22个区县农业生产的空间相关性。结果表明,京津地区农业生产的空间分布表现为局部聚集,存在正向的空间滞后效应。劳动和资本是两地农业产出最主要的决定因素,土地的贡献不显著。京津农业技术差异主要体现在地区内部差异上,地区之间的差异不是区域总体差异的主要原因。考虑到京津邻近地区之间的农业生产活动的相似性和互动性,农业政策的制定需充分考虑空间范围的相互作用。As neoclassical input-output model combined with space effect, spatial econometrics method was used to study spatial correlation and measure output elasticity of agricultural production in Beijing and Tianjin＇s 22 counties. Then regional difference in agricultural technology was decomposed. Result showed that agricultural production per- formed local accumulation in spatial distribution and positive spatial lag effect. Labor and capital was determinant factor in agricultural production, while lands＇ contribution was not significant. For total regional differences, agricul- tural technology discrepancy was mainly reflected within region, but not among different regions. Considering similar- ity and interaction in agricultural production activities around neighborhood, spatial interaction needs to be considered in policy setting.

关 键 词：农业生产函数 空间计量模型 要素产出弹性 区域差异 

分 类 号：F329.9[经济管理—产业经济]