Department of Economic History, School of Economics and Management, Lund University, SE-223 63 Lund, Sweden;
Centre for Economic Demography, School of Economics and Management, Lund University, SE-223 63 Lund, Sweden.
Proc Natl Acad Sci U S A. 2019 Mar 26;116(13):6045-6050. doi: 10.1073/pnas.1810893116. Epub 2019 Mar 5.
A large literature documents how intergenerational mobility-the degree to which (dis)advantage is passed on from parents to children-varies across and within countries. Less is known about the origin or persistence of such differences. We show that US areas populated by descendants to European immigrants have similar levels of income equality and mobility as the countries their forebears came from: highest in areas dominated by descendants to Scandinavian and German immigrants, lower in places with French or Italian heritage, and lower still in areas with British roots. Similar variation in mobility is found for the black population and when analyzing causal place effects, suggesting that mobility differences arise at the community level and extend beyond descendants of European immigrant groups. Our findings indicate that the geography of US opportunity may have deeper historical roots than previously recognized.
大量文献记录了代际流动——(不利)优势从父母传递给子女的程度——在国家之间和国家内部的差异。关于这种差异的起源或持续存在,人们知之甚少。我们表明,美国由欧洲移民后代居住的地区与他们祖先来自的国家具有相似的收入平等和流动性水平:在以斯堪的纳维亚和德国移民后代为主导的地区最高,在具有法国或意大利传统的地方较低,在具有英国根源的地区更低。在黑人人口中也发现了类似的流动性变化,并且在分析因果地点效应时也是如此,这表明流动性差异出现在社区层面,并超出了欧洲移民群体后代的范围。我们的发现表明,美国机会的地理分布可能比之前认为的具有更深的历史根源。