This report presents findings from an evaluation of the mandatory-random student drug testing (MRSDT) programs in 36 high schools from seven districts that received grants from the U.S. Department of Education’s Office of Safe and Drug-Free Schools in 2006.

Are adolescents who attend schools with a high level of alcohol use more likely to use alcohol themselves? This paper analyzes peer-effects in adolescent alcohol use based on a survey of 13,337 adolescents in Sweden in 2005. The empirical analysis uses multi-level logistic model to handle...

Over the past two decades, states have toughened their adult drunk driving laws by setting the legal blood alcohol content (BAC) threshold at .08, down from .10. Although several studies have shown that these laws have been effective at reducing alcohol-related traffic fatalities, there is very...

Despite a well-established correlation between alcohol intake and various risk-taking sexual behaviors, the causality remains unknown. I model the effect of alcohol use on the likelihood of pregnancy among youth using a variety of estimation techniques. The preference is given to the...

This article presents findings from the largest experimental evaluation to date of school-based mandatory-random student drug testing (MRSDT) and its effectiveness in reducing substance use among high school students. The study found that students who were subject to MRSDT reported less...

This study examined developmental trajectories of alcohol use and violent behavior among urban African American youth and the longitudinal relationship between these behaviors from adolescence to emerging adulthood. The sample included 649 African American youth (49 percent male) followed for...