摘要
本文利用国土资源部"农用地分等定级与估价"项目的土地自然质量指数数据,结合2004年的县级统计数据,建立改造的C-D生产函数,通过多元回归分析定量考察了土地质量对农业劳动生产率的影响。最终得到如下研究结果:对所用的县,土地质量指数每增加1%,农业劳动生产率增加0.336%;分地区的结果显示,土地质量和化肥投入在东部地区为替代关系,在西部地区为互补关系。研究结论:土地质量在很大程度上影响着农业劳动生产率,应加强对土地质量的保护和改善。
The purpose of this paper is to investigate the effect of land quality on agricultural labor productivity.Based on the transformation of C-D production function,quantitative analysis of multiple regression was employed,using data from the project of 'agricultural land classification,gradation and valuation' conducted by Land Reconsolidation Center,the Ministry of Land and Natural Resources and county-level statistics.The results indicate:①for the county concerned,agricultureal labor productivity will increase 0.336% for each 1% increase of land quality index.②sub-region resalts showed that the relationship between land quality and fertilizer for the eastern region is alternative,and for the western region is complementary.In conclusion,land quality has significant effects on agricultural labor productivity,and measures should be taken to protect and improve land quality.
出处
《中国人口·资源与环境》
CSSCI
北大核心
2011年第S1期330-333,共4页
China Population,Resources and Environment
关键词
土地经济
土地质量
回归分析
农业劳动生产率
land economy
land quality
regression analysis
agricultural labor productivity
