Cycling is popular among children, but results in thousands of injuries annually. In recent years, many states and localities have enacted bicycle helmet laws. We examine direct and indirect effects of these laws on injuries. Using hospital-level panel data and triple difference models, we find...

This study uses data from the Children of the National Longitudinal Survey of Youth to test for evidence of a causal relationship between maternal alcohol use, marijuana use and cocaine use, and children's behavior problems. Ordinary least squares results provide strong evidence that maternal...

In the United States, almost a third of new mothers who worked during pregnancy return to work within three months of childbirth. Current public policies in the U.S. do not support long periods of family leave after childbirth, although some states are starting to change this. As such, it is...

This study uses data from the Children of the National Longitudinal Survey of Youth to test for evidence of a causal relationship between maternal alcohol use, marijuana use and cocaine use, and children's behavior problems. Ordinary least squares results provide strong evidence that maternal...

The purpose of this paper is to examine the causal impact of alcohol and illicit drug use on suicidal behaviors among college students. Every year, more American youth die from suicide than from all leading natural causes of death combined. Substance use has been identified as a leading risk...