Dissecting Network Externalities in International Migration
AbstractExisting migrant networks play an important role in explaining the size and structure of immigration flows. They affect the net benefits of migration by reduc- ing assimilation costs (’self-selection channel’) and by lowering legal entry barriers through family reunification programs (’immigration policy channel’). This paper presents an identification strategy allowing to disentangle the relative importance of these two channels. Then, it provides an empirical analysis based on US immi- gration data by metropolitan area and country of origin. First, we show that the overall network externality is strong: the elasticity of migration flows to network size is around one. Second, only a quarter of this elasticity is accounted for by the policy channel. Third, the policy channel was stronger in the 1990s than in the 1980s as the family reunification programs became more effective with growing diasporas. Fourth, the overall diaspora effect and the policy channel are more important for low-skilled migrants.
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Bibliographic InfoPaper provided by Center for Research in Economic Analysis, University of Luxembourg in its series CREA Discussion Paper Series with number 11-09.
Date of creation: 2011
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Migration; network/diaspora externalities; Immigration policy.;
Other versions of this item:
- Michel Beine & Frédéric Docquier & Caglar Özden, 2011. "Dissecting Network Externalities in International Migration," CESifo Working Paper Series 3333, CESifo Group Munich.
- Michel BEINE & Frédéric DOCQUIER & Caglar ÖZDEN, 2011. "Dissecting Network Externalities in International Migration," Discussion Papers (IRES - Institut de Recherches Economiques et Sociales) 2011022, Université catholique de Louvain, Institut de Recherches Economiques et Sociales (IRES).
- F22 - International Economics - - International Factor Movements and International Business - - - International Migration
- O15 - Economic Development, Technological Change, and Growth - - Economic Development - - - Economic Development: Human Resources; Human Development; Income Distribution; Migration
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