Improving the labor market position of low-educated workers is one of the most important goals of regional labor market policy. Underqualification, meaning holding a job at a higher level than expected based on one's formal education, can be-under certain conditions-a favorable position from both an individual and a policy perspective. In this study we used repeated cross-sections of data about Dutch workers from 1996 to 2006 to relate the chances of underqualification to personal, firm, and labor market characteristics. Briefly, we found that, for low-educated workers, firm and personal characteristics are more important than regional characteristics in explaining underqualification. Higher regional unemployment rates lower the chances of ...