Germans versus migrants

"Moreover, the idea that German residents of foreign heritage are a drain on state finances is wide of the mark, according to the book. True enough, people of non-German descent pay less tax than their "native" counterparts (7,400 Euros per year per head to 10,800 Euros), but they also receive less in pensions and benefits. What's more, the authors say, "As a proportion, more migrants are productive than native Germans.""