2014/20 | LEM Working Paper Series | |
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Revisiting the Role of Social Networks as Determinants of International-Migration Flows: A Note
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Giorgio Fagiolo and Gianluca Santoni |
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Keywords | ||
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International Migration; Gravity Models; Stocks vs Flows; Migrant Social Networks.
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JEL Classifications | ||
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F22, O15
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Abstract | ||
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This note revisits the role of migrant social networks as determinants
of bilateral-migration flows. We do so using a new database that
covers about 190 world countries and features more accurate estimates
of bilateral flows than those employed so far. Our battery of gravity-
model exercises show that the impact of social networks is consistent
and significant over different specifications, and in line with
previous estimates. Furthermore, in presence of migrant networks at
destination, geographical distance counts in explaining the absence of
a migration corridor only when such networks have very small sizes.
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