We use rich administrative data from Denmark to assess medical theories that autism spectrum disorder (ASD) is a heritable condition transmitted through underlying parental skills. Positing that occupational choices reflect skills, we create two separate occupation-based skill measures and find...

Using data from two cohorts of students, we present evidence that children who are relatively old when they enter kindergarten score higher on achievement tests and are less likely to repeat grades or suffer from learning disabilities than their younger classmates. These differences are driven...

Instrumental variables estimators typically must satisfy monotonicity conditions to be interpretable as capturing local average treatment effects. Building on previous research that suggests monotonicity is unlikely to hold in the context of school entrance age effects, we develop an approach...