Influenza vaccination could be a cost-effective way to reduce costs in terms of human lives and productivity losses …, but low take-up rates and vaccination unintentionally causing moral hazard may decrease its benefits. We ran a natural … field experiment in cooperation with a bank in Ecuador, where we modified its vaccination campaign. Experimentally …

Childhood vaccinations are an important input to disease prevention, but vaccination rates have declined over the last … impact. Anecdotal evidence on disease outbreaks suggests that they may prompt vaccination behavior. I use newly compiled data … vaccination rate increases among children at school entry following an outbreak in the year prior. A large outbreak in the county …