International migration is a highly complex and global phenomenon, an ideologically charged and polarizing topic of enormous symbolic and political relevance, a phenomenon that requires an interdisciplinary approach from both a descriptive as well as normative perspective. Migratory flows have increased and are incrementally caused by armed conflicts or climate change, as well as by acute global inequalities. Given that the causes and implications of migration exceeds state limits a comprehensive study needs to abandon “methodological nationalism”. The economic and social integration of the migrant population is a complex challenge, but the opportunities it opens up are also manifold: migration drives economic growth, connects different cul...