Revisiting gender identity and relative income within households: A cautionary tale on the potential pitfalls of density estimators
研究发现Bertrand等人关于夫妻相对收入分布中妻子收入超过丈夫时出现急剧下降的结论不稳定，不同估计方法得出不同结果，且在美国和德国行政数据中表现各异。
Summary We show that Bertrand et al.'s (QJE, 2015, ) finding of a sharp drop in the relative income distribution within married couples at the point where wives start to earn more than their husbands is unstable across different estimation procedures and varies across contexts. We apply the estimators by McCrary (JoE, 2008, McC) and Cattaneo et al. (JASA, 2020, CJM) to administrative data from the United States and Germany and compare their performance in a simulation. Large bins cause McC to substantially overreject the null hypothesis, and mass points close to the potential discontinuity affect McC more than CJM.