In this paper we compare the changing pattern of unionization in OECD countries, review existing evidence, and present new information on cross-country differences in union-nonunion differentials in labor market outcomes, largely from the micro data files of the International Social Survey...

Workers have responded differently to declining union density in the US and UK. US workers have unfilled demand for unions whereas many UK workers free-ride at unionized workplaces. To explain this difference, we create a scalar measure of worker needs for representation and relate desire for...