Angrist, Joshua D.; Krueger, Alan B. - 2021
start age created by children's date of birth provides a natural experiment for estimation of the effect of age at school … can be derived for one cohort of students, to the 1980 Census, which contains educational attainment for the same cohort … of students. The results suggest that roughly 10 percent of students were constrained to stay in school by compulsory …
