German unions call for national minimum wage to combat social dumping

The FT reports that Germany could see a net inflow of almost 800,000 migrant workers from central and eastern Europe over the next two years, following the opening of its borders to free labour movement in the European Union on May 1:
http://www.ft.com/cms/s/0/9b3f374c-7022-11e0-bea7-00144feabdc0.html#axzz1KtQ2eqCg

Germany and Austria are the last two EU member states to open their borders to free labour movement from neighbouring central and east European states that joined the EU in May 2004. Both countries postponed the move because of fears of a flood of migrant workers undermining local wages and conditions.

German unions are demanding urgent measures to prevent “wage dumping including a minimum wage for contract workers:
http://www.initiative-mindestlohn.de/argumente/eu-arbeitnehmerfreizuegigkeit/der-mindestlohn-schuetzt-vor-grenzueberschreitendem-lohndumping/