The benefits and costs of resource extraction are currently being hotly debated in the case of unconventional natural gas development (commonly known as "fracking"). Colorado provides a unique research environment to study the health impacts of conventional and unconventional forms of oil and...

Previous research in the US has found negative health effects of contamination when it triggers regulatory violations. An important question is whether levels of contamination that do not trigger a health-based violation impact health. We study the impact of drinking water contamination in...

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...