
黄河流域农业水资源全要素生产率测度及其影响因素研究
崔永正, 刘涛
黄河流域农业水资源全要素生产率测度及其影响因素研究
Research on the Measurement and Influencing Factors of Agricultural Water Total Factor Productivity in the Yellow River Basin
结合EBM模型和GML指数,在全国视角下测度并分解2008-2018年黄河流域9省的农业水资源全要素生产率,并利用Bootstrap截断回归模型分析其影响因素。结果表明:黄河流域农业水资源全要素生产率比较低,与长江经济带和全国平均水平有较大差距。黄河流域农业水资源全要素生产率的增长主要靠技术进步驱动,而较低的技术效率限制了其增长。水资源禀赋和农村劳动力受教育水平对黄河流域农业水资源全要素生产率具有正向影响,而水利设施和农业种植结构对其产生负向影响。为提升农业水资源全要素生产率,黄河流域应当推广高效节水灌溉手段,提升农业水资源管理水平;完善跨区域调水机制、合理建设水利设施、提升农村劳动力受教育水平和优化农业种植结构。
Combined with EBM model and GML index, the agricultural water total factor productivity in 9 provinces in the Yellow River Basin from 2008 to 2018 is measured and decomposed from the national perspective. The results show that the total factor productivity of agricultural water resources in the Yellow River Basin is lower than that in the Yangtze River Economic Belt and the national average level. The growth of total factor productivity of agricultural water resources in the Yellow River Basin is mainly driven by technological progress, and its growth is limited by low technical efficiency. Water resources endowment and education level of rural labor have a positive impact on agricultural water total factor productivity in the Yellow River Basin, while water facilities and agricultural planting structure have a negative impact. In order to enhance the total factor productivity of agricultural water resources, the Yellow River Basin shall popularize high-efficiency water-saving irrigation means and improve the management level of agricultural water resources; improve the trans-regional water transfer mechanism, construct water conservancy facilities rationally, enhance the education level of rural labor force and optimize the agricultural planting structure.
农业水资源全要素生产率 / 黄河流域 / EBM模型 / GML指数 / Bootstrap回归 {{custom_keyword}} /
agricultural water total factor productivity / Yellow River Basin / EBM model / GML index / bootstrap regression {{custom_keyword}} /
表 1 黄河流域农业水资源全要素生产率的影响因素回归结果Tab.1 Regression results of factors affecting total factor productivityof agricultural water resources in the Yellow River Basin |
解释变量 | 回归系数 | 标准误 | Z值 | P>|Z| |
---|---|---|---|---|
LN(PW) | 0.025** | 0.010 | 2.44 | 0.015 |
GW | 0.209*** | 0.075 | 2.80 | 0.005 |
LN(RE) | -0.063*** | 0.015 | -4.14 | 0 |
FV | -0.004** | 0.002 | -2.07 | 0.038 |
IR | -0.011*** | 0.003 | -3.81 | 0 |
Constant | 0.980*** | 0.048 | 20.46 | 0 |
Log likelihood | 117.449 | |||
Wald chi2 | 57.680*** |
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