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基于四阶段DEA-Tobit的湖北省耕地资源利用效率及其影响因素研究

Research on the efficiency and the influencing factors of arable land utilization in Hubei Province based on the four-stage DEA and Tobit model

  • 摘要: 合理有效的效率评价手段是准确认识耕地资源利用效率的关键,而分析效率的影响因素为耕地资源利用效率的提升提供了方向。本文引入四阶段DEA法对2012年湖北省耕地资源利用效率进行精确评价,并运用Tobit回归模型分析效率的影响因素。研究表明:湖北省耕地资源利用效率整体水平不高,且主要由纯技术效率偏低所致;在耕地利用过程中,武汉、宜昌两市在技术和规模上均有效,襄阳市和神龙架林区仅在技术上有效,其余13个地区不存在技术有效和规模有效;武汉和宜昌2市的耕地经营规模处于适度水平,仅襄阳市耕地经营规模过大,其余14个地区的耕地经营规模尚具一定潜力;改善农田水利条件会加剧耕地资源投入以及从事耕地生产的劳动力资源投入的相对过剩程度,而提高农民收入水平会削减耕地资源以及从事耕地生产的劳动力资源的过度供给;提高地区经济发展水平有利于提高耕地资源利用效率,而耕地机械化投入水平的提高不利于耕地资源利用效率的提高。

     

    Abstract: Reasonable and valid evaluation method about the efficiency of arable land utilization is a key to the accurate recognition the arable land utilization efficiency and the analysis of influencing factors about arable land utilization efficiency can provide directions for its improvement. This paper evaluated the arable land utilization efficiency and analyzed its influencing factors of Hubei Province in 2012 based on the four-stage DEA and Tobit model. Results indicate that: 1) For the whole province, the arable land utilization efficiency is not high because of the low technical efficiency; 2) For Wuhan and Yichang, they are more efficient from the technology and scale perspectives; 3) For Xiangyang and Shenlongjia, they are only efficient in technology; 4) For other regions, they are not efficient from both technology and scale perspectives; And 5) Wuhan and Yichang operate in proper scales, Xiangyang’s scale is too large, and other 14 regions have the potential to increase the scale further. Based on the above findings, this paper also provides the following suggestions to improve the efficiency of the arable land utilization in Hubei, including improving the irrigation and water conservation to strengthen the extent of relative redundancy on arable land resources and labor resources, increasing economic earnings of farmers to decrease oversupply of arable land resources and labor resources, enhancing regional economic development level to improve the arable land resource utilization efficiency, and controlling moderate investment on the mechanics since it has some negative impacts.

     

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