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)...

Using data from the United States and Europe on nearly two million respondents we show the partial correlation between union membership and employee job satisfaction is positive and statistically significant. This runs counter to findings in the seminal work of Freeman (1978) and Borjas (1979)...