Exploring a rich matched employer-employee data set over the 1998-2012 period and a novel measure of educational mismatch, this study analyses the short and medium-term effects of over- and undereducation on the wages of newly hired workers. The data show that more than 50 percent of the...

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...