Vaccination represents a canonical example of externalities in economics, yet there are few estimates of their … magnitudes. I estimate social and externality benefits of influenza vaccination in two settings. First, using a natural … experiment, I estimate the impacts of aggregate vaccination rates on mortality and work absences in the United States. Second, I …

We analyze the effects of a vaccination program providing free flu vaccine to individuals aged 65 or more on take … design around the threshold at age 65. We find that the program increases vaccination take-up by 6 percentage points, which …

challenge of encouraging vaccination more urgent than ever. We present a large field experiment (N=47,306) testing 19 nudges … messages sent prior to a primary care visit can boost vaccination rates by an average of 5%. Overall, interventions performed …

We analyze the effects of a vaccination program providing free flu vaccine to individuals aged 65 or more on take … vaccination rate for individuals aged less than 65. We show that this effect is not entirely driven by an income channel, but also … depends on the expected benefits of vaccination. The analysis on health outcomes shows that the program reduces the likelihood …