Introduction : the migration without borders scenario / Antoine Pécoud and Paul de Guchteneire
The economics and politics of the free movement of people / Nigel Harris
The frontiers of mobility / Catherine Wihtol de Wenden
The ethics, economics and governance of free movement / Mehmet Ugur
Managing migration : towards the missing regime? / Bimal Ghosh
Open borders and the welfare state / Han Entzinger
Europe without borders : rhetoric, reality or utopia? / Jan Kunz and Mari Leinonen
Creating a borderless West Africa : constraints and prospects for intra-regional migration / Aderanti Adepoju
Histories, realities and negotiating free movement in southern Africa / Sally Peberdy and Jonathan Crush
Migration without borders : a long way to go in the Asian region / Graziano Battistella
A world without borders? : Mexican immigration, new boundaries and transnationalism in the United States / Alejandro I. Canales and Israel Montiel Armas
The free circulation of skilled migrants in North America / Rafael Alarcón
Migration policies and socioeconomic boundaries in the South American cone / Alicia Maguid.