This paper examines the effect of ethnic enclaves on economic outcomes of Norwegian immigrants in 1910 and 1920, the later part of the Age of Mass Migration. Using different identification strategies, including county fixed effects and an instrumental variables strategy based on chain migration,...

We provide the first estimates of ethnic segregation between 1850 and 1940 that cover the entire United States and are consistent across time and space. To do so, we adapt the Logan-Parman method to immigrants by measuring segregation based on the nativity of the next-door neighbor. In addition...