This article presents evidence on the child-quantity/child-quality trade-off using quasi-experimental variation due to twin births and preferences for a mixed sibling sex composition, as well as ethnic differences in the effects of these variables. Our sample includes groups with very high...

We study ability peer effects in English secondary schools using data on four cohorts of students taking age-14 national tests and measuring peers’ ability by prior achievements at age 11. Our identification is based on within-pupil regressions exploiting variation in achievements across three...

Until 1983, the language of instruction for most subjects in grades six and above in Moroccan public schools was French. Beginning in 1983, the language of instruction for new cohorts of Moroccan sixth graders was switched to Arabic. The authors use this policy change to estimate the effect of...

Most research on the relationship between teacher characteristics and pupil achievement focuses on salaries, experience, and education. The effect of in-service training has received less attention. We estimate the effect of in-service teacher training on achievements in Jerusalem elementary...

This study evaluates the short-term effects of a remedial education program that provided additional instruction to underperforming high school students in Israel. The intervention prepared students for the matriculation exams. Using a comparison group of schools that enrolled in the program...

World War II veterans earn more than nonveterans in their cohort. We test whether the World War II veteran premium reflects nonrandom selection into the military of men with higher earnings potential. The estimation is based on the fact that from 1942 to 1947 priority for conscription was...