This paper uses broadly comparable micro data at the level of the individual to examine the extent to which union relative wage effects vary across groups and through time. The main findings may be summarized as follows. a) The union wage gap averages 15% in the US and 10% in Great Britain. b)...

The paper uses newly available cross-section data to study wage determination in the United Kingdom in the 1980s. The results are contrasted with those from a comparable sample from the US from 1977-1988