Past work demonstrates that mandated prescription drug monitoring programs (PDMPs) decrease opioid prescribing, but provides limited evidence on mechanisms. We analyze Kentucky's landmark PDMP mandate to disentangle the role of information versus hassle costs. PDMP mandates are meant to affect...

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...