Burchardi, Konrad; Chaney, Thomas; Hassan, Tarek A.; … - 2021
We show a causal impact of immigration on innovation and growth in US counties. To identify the causal impact of … immigration, we use 130 years of detailed data on migrations from foreign countries to US counties to isolate quasi … with the recent inflows of migrants from different origins, we predict the total number of migrants flowing into each US …