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,...

This paper investigates the demise of unionisation in British private sector workplaces over the last quarter century. We show that dramatic union decline has occurred across all types of workplace. Although the union wage premium persists it is quite small in 2004. Negative union effects on...