研究收入分配问题的一种新洛伦兹曲线模型:建构与应用

发布时间：2018-04-05 10:06

本文选题：洛伦兹曲线　切入点：收入分配　出处：《经济评论》2014年02期

【摘要】：洛伦兹曲线模型研究是近年来收入分配领域较为活跃的研究领域之一,本文先提出了几种应用效果良好的模型,用国外文献中通常采用的方法与国际上通用的数据对这些模型的应用效果进行了分析,说明新模型远优于利用现有文献中模型构造的模型。然后将其中效果最好的模型用于研究我国的收入分配。本文使用了湖北省2009年、2010年、2012年三年的收入分配抽样数据,用其形成分组数据,然后用新洛伦兹曲线模型对产生的分组数据进行拟合,再利用拟合得到的模型估算基尼系数,证明由此得到的基尼系数与从样本数据计算得到的基尼系数基本相同。估算得到的洛伦兹曲线几乎准确地通过分组数据点。说明本文提出的洛伦兹曲线模型具有重要的应用价值,适用于研究我国的收入分配。对湖北省收入分配数据的分析说明,我国城乡收入分配中财产性收入不平等最严重,甚至部分人口尚无财产性收入。农村转移性收入的数量或比例还落后于城镇。
[Abstract]:The study of Lorentz curve model is one of the most active research fields in the field of income distribution in recent years.The application effect of these models is analyzed by using the methods commonly used in foreign literature and international data. It is shown that the new model is far better than the model constructed by using the existing models in the literature.Then the best model is used to study the income distribution in China.In this paper, the income distribution sampling data of Hubei Province in 2009, 2010 and 2012 are used to form the grouping data, and then the new Lorentz curve model is used to fit the generated grouping data, and then the Gini coefficient is estimated by the fitted model.It is proved that the Gini coefficient is basically the same as the Gini coefficient calculated from the sample data.The estimated Lorentz curve is almost accurate through grouped data points.It shows that the Lorentz curve model proposed in this paper has important application value and is suitable for the study of income distribution in China.The analysis of income distribution data in Hubei Province shows that property income inequality is the most serious in urban and rural income distribution in China, and even part of the population has no property income.The quantity or proportion of rural transfer income lags behind that of cities and towns.
【作者单位】：武汉大学经济与管理学院;
【基金】：国家社科基金重点项目“收入分配体制改革对改善居民收入的效果评估研究”(项目号:12AZD030) 教育部规划基金项目“中国收入分配两级分化测算的理论、模型与应用研究”(项目号:09YJA790152)的支持
【分类号】：F014.4;F224

【共引文献】