https://www.nytimes.com/2019/12/10/upshot/irs-letter-health-insurance-fine-study.html
The government sent out letters to those who had paid a fine for not having insurance. This caused some of them to sign up for insurance--and appears to have saved about 700 lives.
The thing is, they ran out of money in sending out the letters so they didn't send them to everyone they were supposed to. This provides a clear randomized trial that involved a very large number of people.
The government sent out letters to those who had paid a fine for not having insurance. This caused some of them to sign up for insurance--and appears to have saved about 700 lives.
The thing is, they ran out of money in sending out the letters so they didn't send them to everyone they were supposed to. This provides a clear randomized trial that involved a very large number of people.