Graduates from Science, Technology, Engineering, and Mathematics (STEM) are usually found to have higher wages and a lower risk of overqualification. However, it is unclear whether we can interpret the effect of STEM subjects on overqualification and wages in a causal way, since individuals...

Human capital contracts give private investors the right to share of students' future earnings in return for a financial contribution during their studies. Although still rarely used, human capital contracts could not only help to completement limited public funding for higher education but...