The enlargement of the European Union provides a unique opportunity to study the impact of the lifting of migration restrictions on the migrant sending countries. With EU enlargement in 2004, 1.2 million workers from Eastern Europe emigrated to the UK and Ireland. I use this emigration wave to...

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...

The numbers of migrants from the accessions countries have clearly increased since the enlargement of the EU in 2004. Following enlargement, the net inflow of EU8 immigrants has become 2.5 times larger than the four-year period before enlargement. Poles constitute the largest immigrant group...

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...