In regressions for net immigration flows of developing countries we show that (i) savings finance emigration and worker remittances serve to make staying rather than migrating possible until a certain value, beyond which the opposite holds; (ii) lagged dependent migration flows have a negative sign even in the presence of migration stock variables; (iii) migration stocks have S-shaped effects: at sufficiently low values higher migration stocks support emigration; beyond a threshold value they support net immigration before they possibly support emigration again after a second threshold value.
Appears in: UNU-MERIT Working Paper Series
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