Labour-market polarization is characterized by increased employment in occupations at the top but also at the bottom of the skills and wage distributions, followed by a relative decline in 'middling' occupations. This paper documents a polarization trend also in the Nordic labour markets and...

Labour-market polarization is characterized by increased employment in occupations at the top but also at the bottom of the skills and wage distributions, followed by a relative decline in 'middling' occupations. This paper documents a polarization trend also in the Nordic labour markets and...

Using a matched employer-employee data set for Norway, we exploit rare information on the union status of both individual employees and their workplaces. We establish two key results. First, we find a positive effect of workplace trade union density on the level of the individual's pay in...