against an emerging epidemic. While the nonmonotonic pattern of the optimal subsidy persists, new findings emerge. Universal … vaccination with a perfectly effective vaccine becomes a viable firm strategy: the marginal consumer is still willing to pay since … those infected before vaccine rollout remain a source of transmission. We derive a simple condition under which vaccination …

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 …

treatment of communicable diseases because they do not shed light on population-wide disease transmission. In particular, trials … do not reveal the indirect preventive (herd immunity) effect of vaccination on persons who are not vaccinated or who are … vaccine or mandate an approved one, but who do not know the indirect effect of vaccination. I study vaccine approval as a …

cross-disease effects by using data on neo-natal tetanus vaccination through the Expanded Programme on Immunization of the …

interacting externalities. Using regional and temporal variation in pollution and disease transmission, we find exposure to more … disparate policy actions of pollution control and expanded vaccination provide greater returns than found when studied in …