Drug consumption rooms (DCRs) are fixed or mobile spaces in which people who use drugs are provided with sterile drug use equipment and can use illicit drugs under the supervision of trained staff. They exist in several European countries, Australia, Canada, Mexico and the USA, and are usually...

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...