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 among the EU8 immigrants: since enlargement, 63% of all immigrants and 71% of …

This paper takes a welfare-view on eastern enlargement of the EU, focusing on incumbent countries. Enlargement is … decomposed into three elements: Single-market integration on commodity markets, budgetary costs from EU-expenditure policies, and … characteristic inter-country pattern of enlargement-induced welfare effects for all EU15 countries. Aggregating these across …