Abstract and Keywords
This article argues that the state plays a key role in managing migration. The necessary conditions for migration to occur may be social and economic, but the sufficient conditions are political and legal. States must be willing to open their borders to the movement of people, and as people move they can acquire rights. Immigration has profound political implications, and states are critical in shaping migration outcomes, even when they choose to accept high levels of illegal immigration or when borders are porous and they do not have the capacity to control many forms of migration.
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