"This book provides a theoretical account of the causes, nature, and extent of the movement of international South-North migrants between affluent and poorer countries. The puzzle is: why are there so few international migrants out of most places? And why are there so many out of so few places? Only once migration out of a few places has started, do we see relatively more people moving. Mass mobility proceeds only when migrant networks turn local assets into transnational ones."--BOOK JACKET.
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