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本文结合实际问题,提出一种两阶段面板数据分位回归方法,并使用该方法分析我国居民的消费特征。通过横向和纵向比较揭示三种不同收入人群的边际消费倾向的变化趋势。文章认为中等收入者的边际消费倾向趋于稳定,低收入者和高收入者的边际消费倾向都有上升的趋势。中国居民的边际消费倾向呈现“U”型,所以提高低收入者的消费不仅在于提高他们的收入,更重要的是缩小当前的贫富差距。
In this paper, we propose a two-stage panel quantile regression method based on practical problems and use the method to analyze the consumption characteristics of Chinese residents. Through horizontal and vertical comparison revealed the trend of marginal propensity to consume of three different income groups. The article holds that the marginal propensity to consume of medium-income earners tends to be stable, and the marginal propensity to consume of low-earners and high-earners tends to rise. The marginal propensity to consume of Chinese residents presents a “U” type. Therefore, raising the consumption of low-income earners is not only to increase their income, but more importantly to narrow the current gap between the rich and the poor.