This paper explores the economic consequences of the enlargement of the European Union with countries from Central and Eastern Europe. We focus on integration aspects that go beyond the reduction of formal trade barriers, namely accession to the internal market and free movement of labour. The...

This paper provides the first evidence about pure exporters (i.e., firms exporting all of their output to the foreign market) -- a phenomenon overlooked and cannot be explained in the existing literature. It then offers a generalized model of Melitz (2003) for examining the existence and...