收入流动性与我国居民长期收入不平等的动态变化:基于CHNS数据的分析

发布时间：2018-04-06 00:23

  本文选题：长期收入　切入点：收入流动性　出处：《财经研究》2017年02期

【摘要】：收入不平等是世界各国面临的共同难题。大多数文献在分析收入不平等时,通常是以年度截面收入为基础进行估算的,而如果考虑到收入流动性的存在,长期收入不平等程度将可能有所减小。文章的研究显示:根据CHNS提供的数据,通过居民收入5等分转换矩阵可以看出,由于收入流动性的存在,各收入层级长期收入所占份额较为接近,长期收入的基尼系数也大大低于年度平均值。文章还以Shorrocks平等化指数量化了收入流动性对长期收入不平等的影响,发现1989-2011年期间,收入流动性使以长期收入衡量的不平等程度降低了24.4%,但近年来,收入流动性出现了下降趋势,抑制了长期收入的平等化。由于收入流动性会影响到长期收入的不平等,因此建议通过深化改革公共政策和提高居民受教育程度来提高流动性,进而实现长期收入平等。
[Abstract]:Income inequality is a common problem all over the world.Most of the literature analyses income inequality on the basis of annual cross-sectional income, and if considering the existence of income mobility, the degree of long-term income inequality may be reduced.According to the data provided by CHNS, we can see that because of the existence of income mobility, the long-term income share of each income level is close.The Gini coefficient of long-term income is also well below the annual average.The paper also quantifies the effect of income mobility on long-term income inequality by using Shorrocks equalization index, and finds that income mobility reduced the degree of inequality measured by long-term income in 1989-2011, but in recent years,Income liquidity has shown a downward trend, restraining the equalization of long-term income.Because income mobility will affect the long-term income inequality, it is suggested that the long-term income equality should be achieved by deepening the reform of public policies and increasing the education level of residents.
【作者单位】： 南京财经大学经济学院;美国科罗拉多大学斯普林斯校区商学院;
【基金】：国家哲学社会科学基金项目(15BJL090)
【分类号】：F124.7

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