This paper concisely reviews what we know about the experience of an enlarging European Union with free movement of workers within its borders. We focus on the two most recent, Eastern, enlargement waves of 2004 and 2007. We first assess the actual migration flows following the enlargements...

This paper outlines the importance of labor mobility for the improvement in allocating and distributing economic resources. We are faced with an increasing lack of skilled workers and a growing tendency of unemployment amongst the low-skilled. A central political objective for the future will...