May 30, 2014

In a globalized world, are there optimal limits to diversity in a society? What is the cost benefit analysis of migration? These were questions that Paul Collier tackled in his third and final SPP lecture on migration policy.

December 5, 2013

Immigration policy is an issue on which governments must commit to one overall strategy both at the political and organizational levels says former UK Home Secretary Charles Clarke.

November 25, 2013

The economic models used to evaluate migration must be expanded to consider the social sciences if we are to gain a full understanding of the issues, says Paul Collier.