EU leaders are well aware of the relevance of migration in the European policy agenda. Thirty-two pages out of forty-eight of the Presidency Conclusions at the November 2004 European Council were devoted to migration policies. Economic theory suggests that there is a strong case for policy...

This paper presents a simple Chamberlinian agglomeration model which, like the canonical core-periphery (CP) model, contains two agglomerative forces. However, in contrast to that model, the present model is analytically solvable. Moreover, the present model exhibits a 'supercritical pitchfork...