Using nationally representative workplace data for Britain we identify the partial correlation between workplace wages and the percentage of migrants employed at a workplace. We find wages are lower in workplaces employing a higher percentage of migrants, but only when those migrants are non-EEA...

We explore the various claims made by Freeman and Medoff (FM) in their famous book What do unions do? about the impact of unions on wages and update them with new and better data. The main findings are as follows. 1) Private sector union wage premium is lower today than it was in the 1970s. 2)...

This paper examines the impact of trade unions in the US and the UK and elsewhere. In both the US and the UK, despite declining membership numbers, unions are able to raise wages substantially over the equivalent non-union wage. Unions in other countries, such as Australia, Austria, Brazil,...