This paper addresses the issue of school students' part-time employment in the last year of compulsory education, and its impact on educational outcomes. Estimating the causal effect is not straightforward. Firstly, those who obtain part-time employment could have certain unobservable...

German social security records involve an indicator for part-time or full-time work. In 2011, the reporting procedure was changed suggesting that a fraction of worker recorded to be working full-time before the change were in fact part-time workers. This study develops a correction based on...