Each year, 10,000 individuals die in alcohol-impaired traffic accidents in the United States, while psychoactive drugs are involved in 20% of all fatal traffic accidents. We investigate whether state parity laws for substance use disorder (SUD) treatment have the unintended benefit of reducing...

We study the effect of state medical marijuana laws on labor supply among older adults; the demographic group with the highest rates of many health conditions for which marijuana may be an effective treatment. We use the Health and Retirement Study to study this question and estimate...