收入流动性的度量:一种新的方法及其应用  

Income Mobility Index:A New Method and Its Application

作　　者：艾小青[1] 

机构地区：[1]北京工业大学经管学院

出　　处：《统计研究》2016年第4期71-77,共7页Statistical Research

摘　　要：本文提出从收入比重变化的视角度量收入流动性的新方法,构建了基于比重绝对差和基尼系数的两种新指数,还提出了收入流动性洛伦茨曲线的概念、意义和绘制方法,以及指数的分解方法和加权调整方法。应用各指数对我国2007—2013年间区域层面的收入均值和收入总额的流动性进行了度量,结果显示,用各种方法度量的流动性都很低,各省间的收入格局已相对固化,流动性和地区贡献有波动但都没有明显的趋势。结果也验证了新指数的适用性和优良性质。This paper proposes a new method of measuring income mobility based on the difference of income proportion in two periods,and two new income mobility indices are derived,even more,we propose the corresponding concept and its building method of income mobility Lorenz curve which can reveal the extent of income mobility intuitively,and we also tells the approaches of decomposition and weighting of the related indices. Several indices are applied to measure China income mobility from the perspective of region,results show that the income mobility is low under all measurements,the income pattern between provinces is relatively rigid without any obvious trend. The results also testify the applicability and robustness of the proposed new income mobility indices.

关 键 词：收入流动性 度量指数 收入比重 收入流动性洛伦茨曲线 

分 类 号：C812[社会学—统计学]