[austerity]

Is there anything I can read up on this? I hear the population of Baltics halved, sounds like a rather drastic effect.

Although I didn't imply immigration restrictions are the only problem either- indeed the language and other cultural barriers as well as our tendency to form bonds that are painful to break all work against mobility.

[jcfrei]

This article has quite a few sources: http://www.migrationpolicy.org/article/free-movement-europe-... And a more recent report: http://ec.europa.eu/social/BlobServlet?docId=11945&langId=en