A number of studies have shown that childhood speech disorders such as stuttering are associated with lower test scores and educational attainment. However, it is unclear whether these associations are causal in nature or whether they can be explained by difficult-to-measure heterogeneity at the...

A recent study by Rees and Sabia (2011) found migraine headache was negatively related to educational attainment even after accounting for the influence of family-level unobservables. The current study explores whether this relationship is attributable to unmeasured individual heterogeneity in...

It has been argued that high school sports participation increases motivation and teaches teamwork and self-discipline. While several studies have shown that students who participate in athletic activities perform better in school than those who do not, it is not clear whether this association...

Using data from the National Longitudinal Study of Adolescent Health, this study examines the relationship between school-year employment and academic performance of young adolescents under age 16. Ordinary least squares estimates show a significant positive relationship between modest hours of...

Child care subsidies are an important part of federal and state efforts to move welfare recipients into employment. One of the criticisms of the current subsidy system, however, is that it overemphasizes work and does little to encourage parents to purchase high-quality child care. Consequently,...

A child care subsidy is one of the most effective policy instruments to facilitate low-income individuals' transition from welfare to work. Although previous studies consistently find that subsidy receipt is associated with increased employment among single mothers, there is currently no...