Researchers examined registry data of 8,593 refugees aged 18 to 65 who arrived in Switzerland between 2008 and 2013, tracked the refugees' employment over the first 5 years of arrival, and found that living in areas with a high population of individuals with similar ethnolinguistic backgrounds increased refugees' chances of employment; refugees tended to be employed by companies with a high proportion of individuals with ethnolinguistic similarities, suggesting that nationality-based, ethnicity-based, or language-based networks may foster economic integration.
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Article #18-20345: "Ethnic networks can foster the economic integration of refugees," by Linna Martén, Jens Hainmueller, and Dominik Hangartner.
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Proceedings of the National Academy of Sciences