This paper examines the role of international trade for job polarization, the phenomenon in which employment for high- and low-wage occupations increases but mid-wage occupations decline. With employer-employee matched data on virtually all workers and firms in Denmark between 1999 and 2009, we...

This paper examines the role of international trade for job polarization– the decline in opportunities for mid-wage workers while those for high- and low-wage workers increase. With employer-employee matched data on virtually all workers and firms in Denmark between 1999 and 2009, we show that...