A Lifecycle Estimator of Intergenerational Income Mobility
针对生命周期偏差问题，提出一种新的估计量，捕捉富裕家庭子女收入增长更快的模式，并应用于瑞典和美国的数据，发现尽管收入不平等加剧，代际流动性基本稳定。
Abstract Lacking lifetime income data, most intergenerational mobility estimates are subject to lifecycle bias. Using long income series from Sweden and the US, we illustrate that standard correction methods struggle to account for one important property of income processes: children from affluent families experience faster income growth, even conditional on their own characteristics. We propose a lifecycle estimator that captures this pattern and performs well across different settings. We apply the estimator to study mobility trends, including for recent cohorts that could not be considered in prior work. Despite rising income inequality, intergenerational mobility remained largely stable in both countries.