Ohio announced a Vax-a-Million Lottery in May 2021 to encourage people vaccinated. If people may avoid vaccination … because (1) they worry about rare but critical side effects or (2) they want to free ride on herd immunity, the vaccination … effectiveness of the vaccination lottery over a lump-sum transfer. Overall, vaccination lottery works better, and it particularly …

advertise flu vaccination clinics during the Fall. The wording on the posters is varied to emphasize the individual benefits of … the vaccination clinics, and for those not vaccinated via an online survey. Results: We find that any normative message … flu vaccine, emphasizing both the individual and social benefits of vaccination has the largest increase in the …