<p>This book concentrates on the politics of allocation and dispersal, the involvement of non-state actors, the role of social workers and street level bureaucrats and the subversive nature of grassroots initiatives as far as reception policies and practices are concerned.</p><p>Mass migration entails multifaceted economic, political, social, and legal challenges and brings together a diversity of actors (e.g. state institutions, international and transnational organizations, non-governmental organisations, host communities and migrants) with unequal power and divergent priorities and interests. Much of the debate on migration is centred around the notion of ¿crisis¿ and around its impact on the polarization of politics in especially Western countries. In this regard, migration as an overall topic has increasingly played a significant role in shaping the present and future of our societies. The chapters address these issues in a critical and analytical way by informing the reader about