Dreher, Axel; Langlotz, Sarah; Matzat, Johannes; Mayda, … - 2020
We study the extent to which migrant inflows to the United States affect the political polarization of campaign donors … polarization measures based on ideology data derived from 16 million campaign finance contributors, our results show that migrant … inflows causally increase the polarization of both campaign donations and leading political candidates. Our estimates hold …