This work examines the common assumption that immigrants contribute to the breakdown of social cohesion. In fact, research shows that immigrants contribute much to to their adopted societies economically, socially, culturally and politically. A numberof key works are referenced.

This work brings together significant papers on international and internal migration. It investigates the role of governments in enouraging, discouraging or forcing migration. The book critically approves the motivation for state intervention under a variety of headings.