This was a commonly expressed concern in Denmark following a large influx of non-EU migrant workers in the 1990s. And it’s true – but not necessarily in a negative sense. Refugees and immigrants from the Balkans and Somalia did indeed take the Danish low-salary jobs, but that wasn’t a bad thing for the local workers.

The consequence was that the locals replaced their cleaning jobs with more advanced job functions and higher salaries, a new study reveals.