Black, Sandra E.; Devereux, Paul J.; Salvanes, Kjell G. - 2008
examine the role of school starting age on longer-run outcomes such as IQ scores at age 18, educational attainment, teenage … using scores from IQ tests taken outside of school, at the time of military enrolment, and measured when students are around … effect of starting school younger on IQ scores measured at age 18. In contrast, we find evidence of much larger positive …
