From the Introduction. The question of when EU citizens should be able to work, live, and claim benefits in a host Member State has exploded recently into the political arena following the Brexit referendum in the United Kingdom, in which these issues were central. Claims that EU law does not do enough to prevent benefit tourism have circulated in politics for years, but the UK discussion added a new twist, with the claim that migrant workers were themselves a drain on the state, or at least could be