美国高收入阶层收入份额变动研究的新进展

美国次贷危机后收入分配不平等问题日益引起政府和民众的关注,而高收入阶层的收入变化、收入来源和影响因素自然成为研究的重点。本文从美国高收入阶层收入份额变动的研究历程着手,梳理了自库兹涅茨以来的研究成果,认为:美国高收入阶层收入份额呈现U型特征;利用税收数据来研究高收入阶层是一种有效的方法;对高收入阶层的人口特征的研究表明,二战前的高收入者主要是企业主和依靠资本收入的资本家;关于高收入阶层收入变动最核心的研究可能是影响因素的研究。

A Literature Review on the Latest Development in the Changing Revenue Share of Top-income Classes in the United States

The issue of unfair income distribution in the United States after the subprime crisis has drawn increasing attention of both the government and the people at large.Naturally,the changes,sources and affective factors of the income of top-income classes have become a research focus.The paper starts with researches on the changing revenue share of the top-income classes and discusses the research findings achieved since that of Kuznets's.The authors have reached the following conclusions.(1) The revenue share...