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自20世纪60年代以来美国的消费不平等与收入不平等

Consumption and Income Inequality in the United States since the 1960s
Journal of Political Economy · 2022 · Bruce Meyer、James X. Sullivan

中文摘要

近期研究认为,消费不平等的上升幅度与收入不平等的上升幅度相近,甚至更大。我们重新审视了这一发现,构建了改进的消费衡量指标,并重点考察其中测量质量较高、相对于国民账户具有较高且稳定报告率的消费组成部分。尽管过去50年总体收入不平等有所上升,但总体消费不平等的上升幅度很小。对于分布底端而言,收入数据质量下降可能是造成这些差异的原因之一;对于分布顶端而言,资产价格变动可能解释近年来的部分差异。

Abstract

Recent research concludes that the rise in consumption inequality mirrors, or even exceeds, the rise in income inequality. We revisit this finding, constructing improved measures of consumption, focusing on its well-measured components that are reported at a high and stable rate relative to national accounts. While overall income inequality rose over the past 5 decades, the rise in overall consumption inequality was small. The declining quality of income data likely contributes to these differences for the bottom of the distribution. Asset price changes likely account for some of the differences in recent years for the top of the distribution.
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