"This study investigates whether young unemployed graduates who accept a job below their level of education accelerate or delay the transition into a job that matches their level of education. We adopt the Timing of Events approach to identify this dynamic treatment effect using monthly calendar data from a representative sample of Flemish (Belgian) youth who started searching for a job right after leaving formal education. We find that overeducation is a trap. By accepting a job for which one is overeducated rather than only accepting adequate job matches, monthly transition rates into adequate employment fall by 51–98%, depending on the elapsed unemployment duration. These findings challenge the career mobility thesis and imply that the short-term benefits of policies that generate quick transitions into employment must be traded-off against the long-term costs of an inadequate job match."

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