Replication data for: Federalism and American Inequality

This is a replication study for 'Federalism and American Inequality' paper by Kelly and Witko, which looks at inequality in the United States, measuring changes in household Gini coefficient in the period between 1976 and 2006. The key finding is that state level politics become more important when political power in national government shifts towards upper classes. The results are replicated using R statistical software.

本研究为凯利（Kelly）与威特科（Witko）所撰论文《联邦制与美国不平等》的复刻研究，聚焦美国不平等议题，量化考察1976年至2006年期间家庭基尼系数（Gini coefficient）的变化态势。其核心发现为：当联邦政府的政治权力向上层阶级倾斜时，州级政治对不平等的影响将愈发凸显。本研究的复刻验证工作依托R统计软件完成。