References of "Ozden, Caglar"
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See detailDissecting Network externalities in International Migration
Beine, Michel UL; Docquier, Frederic; Ozden, Caglar

in Journal of Demographic Economics (2015), 81(4), 379-408

Migrant networks play an important role in explaining the size and structure of migration flows. They affect the private costs and benefits of migration (assimilation channel) and lower legal entry ... [more ▼]

Migrant networks play an important role in explaining the size and structure of migration flows. They affect the private costs and benefits of migration (assimilation channel) and lower legal entry barriers through family reunification programs (policy channel). This paper presents a microfounded identification strategy allowing to disentangle the relative importance of these two channels. Our empirical analysis exploits U.S. immigration data by metropolitan area and country of origin. We first confirm that the overall network externality is strong (the elasticity of migration flows to network size is around one). More interestingly, we show that only a quarter of this elasticity is accounted for by the policy channel for the 1990-2000 period, and the magnitudes of the total network effect and the policy channel are greater for low-skilled migrants. Our results are strongly robust to sample selection, identification assumptions, and treatment for unobserved bilateral heterogeneity. Finally, the policy channel was stronger in the 1990s than in the 1980s, possibly reflecting the changes in the U.S. family reunification policy. [less ▲]

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See detailDiasporas
Beine, Michel UL; Docquier, Frederic; Ozden, Caglar

in Journal of Development Economics (2011), 95

Migration flows are shaped by a complex combination of self-selection and out-selection mechanisms, both of which are affected by the presence of a diaspora abroad. In this paper, we analyze how existing ... [more ▼]

Migration flows are shaped by a complex combination of self-selection and out-selection mechanisms, both of which are affected by the presence of a diaspora abroad. In this paper, we analyze how existing diasporas (the stock of people born in a country and living in another one) affect the size and human-capital structure of current bilateral migration flows. Our analysis exploits a bilateral data set on international migration by educational attainment from 195 countries to 30 OECD countries in 1990 and 2000. Based on simple microfoundations and controlling for various determinants of migration, we found that diasporas increase migration flows and lower their average educational level. Interestingly, diasporas explain majority of the variability of migration flows and selection. This suggests that, without changing the generosity of family reunion programs, education-based selection rules are likely to have moderate impact. Our results are highly robust to the econometric techniques, accounting for the large proportion of zeros and endogeneity problems. [less ▲]

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