文章摘要
徐丽,杨澄宇,吴丹萍.教育投资结构对居民收入代际流动的影响分析——基于OLG模型的政策实验[J].教育经济评论,2017,(4):36-62
教育投资结构对居民收入代际流动的影响分析——基于OLG模型的政策实验
The Effect of Education Investment Structure on Intergenerational Mobility of Income——A Policy Experiment Based on OLG Model
  
DOI:
中文关键词: 政府教育投资;家庭教育投资;收入代际流动;世代交叠模型
英文关键词: Government education investment; investment in family education; intergenerational mobility of income
基金项目:国家自然科学基金项目“财富集中与财富流动的动力学机制及财产性税收效应研究”(71673030)。
作者单位
徐丽,杨澄宇,吴丹萍 北京师范大学经济与工商管理学院 
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中文摘要:
      本文针对我国收入分配差距的现状,讨论教育投资结构对收入代际流动的影响。我们构建了一个带有家庭及政府教育投资的三期世代交叠模型,区分了基础教育和高等教育阶段的人力资本投资,并对政府教育投资的变化进行政策实验,分析了不同投资结构下居民收入代际流动的变化情况,讨论了促进收入流动性的政策选择。通过数值模拟发现,在政府教育投资不变的条件下,加大基础教育投资占比可以减小居民收入的基尼系数,改善收入分配差距。其次,随着政府基础教育投资占比的增加,子辈对父辈的收入依赖程度减小,居民收入的代际流动性增大,向上及向下的流动概率均有所增加。最后,家庭教育投资与家庭收入有着明显的正相关关系。
英文摘要:
      This paper studies the intergenerational income flow from the present situation of income distribution gap in China. In order to promote the reasonable flow of intergenerational mobility, this paper makes education as an important factor to promote intergenerational mobility of income according to the theory of human capital education, and expect to explore the impact of education investment structure on intergenerational mobility. By constructing a three-stage OLG model with family education investment and government education investment, this paper makes a detailed distinction between the human capital investment in basic education and higher education, carrying out the policy experiment on the change of government education investment structure, and we analyze the different education investment structure of urban residents under the intergenerational changes in the flow of income in order to find the best policy to ease intergenerational income flows. Through numerical simulation, the findings of this paper are as follows: first of all, controlling the government investment in education, increasing the proportion of basic education investment can reduce the income of the Gini coefficient and improve the income distribution. Secondly, the control of government investment in education, increasing the proportion of government investment in basic education, the intergenerational mobility will increase. And not only the probability of upward mobility increases, but also the probability of downward flow increases. Finally, family education investment and family income have a clear positive correlation.
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