This paper provides estimates of the union wage gap in Portugal, a nation until recently lacking independent data on union density at firm level. Having estimated nonlinear and linear estimates of the effect of union density on the wage gap, the next stage of the analysis seeks to account for...

Using a large employer-employee dataset, we provide new evidence on the relationship between the gender pay gap and industrial relations from within German workplaces. Controlling for unobserved workplace heterogeneity, we find no evidence that introducing or abandoning collective agreements or...

We estimate the impact of union density on wages using Portuguese matched employer-employee-contract data, extending Gelbach's (2016) omitted variable bias decomposition procedure to obtain the contribution of worker, firm, and job-title heterogeneity to the union wage premium. The principal...