Replication Data for: Migration and Political Polarization in the U.S.: An Analysis of the County-level Migration Network

This data set contains U.S. county-level data on predominant employees in the county (by NAICS code), origin-destination matrices of migration flows from county to county, and presidential election results at the county level.

本数据集涵盖美国县级层面的三类数据：一是按北美行业分类系统（NAICS）统计的各县主导行业就业人员数据；二是县际人口迁移流的起讫点矩阵；三是县级层面的总统选举结果数据。