This paper assesses the heterogeneous effects of immigration on economic growth depending on both the origin and the destination countries. Following the development of a simple growth model augmented by the embodied human capital of immigrants, we estimate the growth equation using both a gravity-style instrument variable approach and the dynamic system-GMM estimator. We find that immigration from developed economies positively affects the economic growth of the host countries. Furthermore, the growth-enhancing effect of immigration is significantly larger when immigration flows from developed to developing economies than when it does to those that include both developed and developing economies. We interpret these results as evidence of immigrants from developed countries bringing with them -upon entry -their advanced knowledge on technology and institutions into the developing countries that host them.
JEL classification codes: F22, O15, O41, O43
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