| Summary/Abstract |
An enormous number of people are leaving their homelands around the world today. This has happened several times in the past, but migration has spiked in recent years. These population movements can have significant effects on both the host country (where emigrants or refugees settle), as well as politics back in the homeland. After they leave their homelands, why do some groups mobilize, and in what ways? In this article, we examine a number of factors that may impact when emigrated groups mobilize after they move. We develop a new dataset on potential diasporas in the United States to evaluate a series of hypotheses, including those about motivations for mobilization such as identity maintenance, the objective plight of co-ethnics in the homeland, and group capacity to mobilize. We find some merit in the identity preservation argument and a strong effect of geographic concentration of the diaspora segment. Surprisingly, diaspora mobilization does not appear to be strongly related to conflict in the homeland among these groups.
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