Do ethnic enclaves slow immigrants' economic assimilation?
Core argument: New Polish Catholic church openings in the early 20th-century US led Polish residents to assimilate more slowly economically, with falling income scores and a shift toward manual occupations.
We compare two Catholic ethnic groups that moved to the US in large numbers in the early 20th century: Italians and Poles. Historians argue that Poles were more likely to center their communal life around church activity. Consistent with this qualitative evidence, we find that new Polish Catholic church openings lead Polish residents to experience slower economic assimilation, including falling income scores and a shift toward manual occupations, counterbalanced with stronger communal ties, as measured by heightened within-group marriage and greater use of Polish names. These patterns persist into the second generation, and are not apparent for Italians, who were less focused on the church. We do not find any evidence that Polish church openings affect other residents of the neighborhood (Polish likely Jews or other Catholics), suggesting that the church was not placed in a neighborhood that was otherwise on a downswing. Our paper documents that living in an ethnic enclave can hinder the economic mobility of immigrants.




