极化效应下我国中等收入者群体的发展问题

Development of China's Middle-Income Group under the Effect of Polarization

中国经济经历了30多年转型和增长。在收入差距持续扩大背景下,社会两极分化愈益显化,其中阶层变动尤其是中等收入者群体逐渐萎缩问题不容忽视,目前社会阶层结构呈现的"M"形收入分布趋势,会给社会经济发展带来严重的负面影响。本文通过基于非参数Kernel核密度估计的我国中等收入者群体发展中的判断标准与规模变动说明,农村和城镇居民收入显现的两极分化程度和特征都存在着差异性。要缓解两极分化,关键在于扩大中等收入者群体比重,并针对农村和城镇的不同情况在居民收入分配和再分配上施以不同的政策措施。

China＇s economy has experienced 30 years of transition and growth. Strata changes, especially the problem of gradual shrinking of the middle-income groups in the context of growing income gap cannot be ignored. M type presentation of the social class structure and income distribution trends have brought serious negative impact. This article estimates Ghina＇s middle-income groups based on the nonparametric Kernel nuclear density. There are differences between rural and ur- ban residents＇ income levels and features. To ease the polarization, the key is to ex- pand the proportion of middle-income groups, for different situations in the rural and urban distribution. and impose different policy measures residents＇ income distribution and re-