Using NielsenIQ Retail Scanner data, we estimate demand equations for e-cigarettes by nicotine concentration. Overall, the models show that the price elasticities of demand range from -2.117 to -1.494. In a rapidly evolving e-cigarette market, demand for e-cigarettes varies considerably by...

A subset of harm reduction strategies encourages individuals to switch from a harmful addictive good to a less harmful addictive good; examples include e-cigarettes (substitutes for combustible cigarettes) and methadone and buprenorphine (substitutes for opioids). Such harm reduction methods have...

How malleable is alcohol consumption? Specifically, how much is alcohol consumption driven by the current environment versus individual characteristics? To answer this question, we analyze changes in alcohol purchases when consumers move from one state to another in the United States. We find...

There is much debate about the effects of pharmaceutical direct to consumer advertising (DTCA) on health care use. In this paper, we inform this debate by examining the effects of DTCA on office visits, as well as treatment courses resulting from those visits, for five common chronic conditions...

We present results from a nationally representative survey of American adults, guided by a simple theoretical model expressing health care-seeking behavior as a function of economic and behavioral fundamentals and highlighting the role of trust. We report several findings. First, we document a...

We conducted a field experiment that randomized advertisements, advertisement content, and prices across 2,204 counties in the United States to study the impacts on online purchases of naloxone, an opioid overdose reversal drug. Advertising increased website users but only impacted purchases...

We provide the first quasi-experimental estimates of variation in suicide impulsivity by age by examining the impact of firearm purchase delay laws by age. Prior studies of firearm purchase delay laws use traditional two-way-fixed-effects estimation, but we demonstrate that bias due to...

We document the diffusion of nebulized ibuprofen in Argentina as a treatment for COVID-19. As the pandemic spread, this clinically unsupported drug reached thousands of patients, even some seriously ill, despite warnings by the regulator and medical societies. Detailed daily data on deliveries...

In 1996, following an epidemic, Pfizer tested a new drug on 200 children in Muslim Nigeria. 11 children died while others were disabled. We study the effects of the disclosure, in 2000, of the deaths of Muslim children in the Pfizer trials on vaccine compliance among Muslim mothers. Muslim...