土地投入对我国农业发展的贡献测量

在对我国1992～2008年农业生产效率测算的基础上,分析了土地、资本及劳动力对于我国农业增长的贡献率,通过分析得出:在研究期间土地对于农业的产出弹性为1.444;土地投入对农业增长的贡献率平均保持在10.16％;研究后期各要素投入对农业增长的贡献较前期趋于无序.针对以上结果提出:在以后农业生产中应重视农业要素投入的稳定性,达到要素投入的长期最优.

Measurement on Contribution Rate of Land to Chinese Agriculture Development

Based on the calculation of agricultural production efficiency during 1992 to 2008,this paper analyzes the contribution efficiency of land,capital and manpower for agricultural increase in China.Through the analysis,the results show that during the study period,the output elasticity of land for agriculture is 1.444,the contribution rate of land input to agricultural increase is on average at 10.16%,and the contribution of the factors’ inputs to agricultural increase is more out-of-order in earlier stage than in later stage.According to the consequences above,the authors suggest that in future agricultural production,the stability of agricultural factors’ input should be given more attention in order to get the factors’ long-term optimal inputs.