This study examines the past year relationship between GPA and experiencing a combination of two primary depression symptoms, feeling sad and losing interest in usual activities for at least two consecutive weeks, among high school students during 2001-2009. The GPA loss associated with sadness,...

This paper estimates the impact of binge drinking on sexual activity among a nationally representative set of high school students during the 1990s and 2000s. The main innovations are explicitly controlling for time-invariant preferences regarding sexual behavior and alcohol use, and eliminating...

This study examines the relationship between binge drinking and sexual behavior in nationally representative data on age 18-24 four-year college students. For having sex, overall or without condoms, large and significant positive associations are eliminated upon holding constant proxies for...

This paper estimates the effect of paid employment on grades of full-time, four-year students from four nationally representative cross sections of the Harvard College Alcohol Study administered during 1993-2001. The relationship could be causal in either direction and is likely contaminated by...

This paper estimates the impact of fraternity and sorority membership on a wide array of drinking outcomes among respondents to four Harvard College Alcohol Study surveys from 1993-2001. Identification is achieved by including proxies for specific types of unobserved heterogeneity expected to...

This paper examines the relationship between membership in social fraternities and sororities and binge drinking among 18-24 year old full-time four-year college students who participated in the 1995 National College Health Risk Behavior Survey. To deal with unobserved heterogeneity in binge...

This paper explores price differences in the European Union (EU) pharmaceutical market, the EU's fifth largest industry. With the aim of enhancing quality of life along with industry competitiveness and R&D capability, many EU directives have been adopted to achieve a single EU-wide...

Given President Bush's popularity among relatively poor rural residents and lack thereof among wealthier urban dwellers in the 2004 presidential election, analysts have suggested that voters contradicted their economic self-interests. We investigate whether this conventional wisdom implied an...

Increases in youth vaping rates and concerns of a new generation of nicotine addicts recently prompted an increase in the federal minimum legal purchase age (MLPA) for tobacco products, including e-cigarettes, to 21 years. This study presents the first regression discontinuity evidence on the...