While economists were pointing out the advantages of the EU enlargement, politicians and policymakers were raising grave concerns about the significant political and economic differences between the newcomer states (EU12) and the "old Europe" of EU15. The major point of apprehension was related...

Ireland, along with Sweden and the UK, allowed full access to its labour market to the citizens of the accession countries when the EU enlarged in May 2004. Given the limited number of countries that opened up and the rapid pace of economic growth in Ireland around 2004, a significant inflow was...