The Ashgate Research Companion to Migration Law, Theory and Policy complements the already successful Ashgate series Law & Migration, established in 2006 which now has a number of well-regarded monographs to its credit. The purpose of this Companion is to augment that Series, by taking stock of the current state of literature on migration law, theory and policy, and to sketch out the contours of its future long-term development, in what is now a vastly expanded research agenda. The Companion provides readers with a definitive and dependable state-of-art review of current research in each of...