How does being over- or underqualified at the beginning of a worker's career affect skill acquisition, retention, and promotion? Despite the importance of mismatch for the labor market, self-selection into jobs has made estimating these effects difficult. We overcome endogeneity concerns in the...

We estimate the effects of being over- or underqualified for a job using quasi-random assignment of new enlistees to over 130 different jobs in the US Air Force. Being overqualified causes higher attrition, both during technical training and afterward when individuals are working in their...

The research note explores the mismatch between educational qualifications and job outcomes, introducing a novel mismatch indicator, the linkage score, which can be considered a significant innovation to the mismatch literature. The novel indicator is applied to Belgium, as a case study, and 18...