Under the urban-rural dual institutional stru ctures, China is lack of investment in human capital in rural areas. This is severely restricting on the development of agriculture, rural areas and improvement of farmers' income. We collect data of china's rural per capita income and rural human capital investment. We introduce the significance of rural human capital investment and the specific mechanism on improvement of famers' income by regression analysis and Granger Test. The research indicates: education investments have lagging effect on the improvement of farmers' income. Health investments have significance on middle-low income families.%在城乡二元体制结构下,我国农村人力资本投资不足,严重制约了农业、农村的发展和农民收入的提高。基于我国农民人均收入和农村人力资本投资的相关数据,通过对农民收入和人力资本投资的回归分析和格兰杰检验,可以透析农村人力资本投资的意义和对农民增收的具体作用机制,表明教育投资对农民增收具有滞后效应,其中健康投资对于中低收入家庭有着重要意义。
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