人口与经济

流动人口家庭与城镇家庭的消费差异——基于分位数回归的分析

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作者：王韬, 毛建新

单位：华中科技大学管理学院, 湖北武汉 430074

关键词：流动人口;消费差异;分位数回归;分位数分解

分类号：C922

出版年,卷(期):页码：2015,36(4):60-68

摘要：

文章基于中国收入分配研究院的微观家庭入户调查数据CHIP,利用分位数回归和分位数分解法分析了城镇家庭和流动人口家庭的消费差异,比较研究了不同分位点处两者的消费差异及其影响因素,并对不同收入人群的消费差异进行了分位数分解。研究发现:消费收入弹性大致呈现先升后降的倒"U"型,而流动人口家庭的消费收入弹性在不同分位点均高于城镇居民家庭,两者的消费收入弹性差异会随着分位点的走高而逐渐缩小。此外,通过分位数分解还发现,消费总差异随着收入的增加而增大,相对于较高收入阶层,对于处于低分位端的低收入阶层来说,回报效应对其消费产生的影响更大。

Based on the dataset of Chinese Household Income Project(CHIP),using the method of quantile regression and quantile decomposition, this paper explore the consumption differential in different quantile points and the factors affecting the consumption differential,and analyze the consumption differential among different income groups in the way of quantile decompositon. The results indicate that: the income elasticity of consumption appears to be inverted "U" shaped, and the income elasticity of consumption of immigrant families is higher than the urban households in different quantile points, the gap between the migrant families and urban households in the income elasticity of consumption will gradually shrink with the increasing quantile points. In addition, through quantile decomposition we also find that: consumption difference increases as income growth; the return impact has a greater impact on consumption of the lower - income groups compared to higher-income groups.

基金项目：

作者简介：

王韬,华中科技大学管理学院教授、博士生导师;毛建新,华中科技大学管理学院硕士研究生。

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