economic prosperity and rural population aid vaccine administration and delivery efficiency. Delivery efficiency improves in …, vaccination efficiency was lower in states with a centralized public health agency. States with a larger share of the elderly … performed using vaccination from a more recent period. Finally, a state’s legacy of corrupt activity, across two different time …

reduces vaccine efficacy. A key empirical challenge is the endogeneity bias when comparing risk-taking by vaccination status …We assess whether the COVID-19 vaccine induces COVID-19 risky behavior (e.g., going to bars and restaurants) and thus … followed before and after vaccine availability over 14 months in an event study fixed effects model with individual, time …

Using recent data on the unvaccinated across U.S. states, this paper focuses on the determinants of vaccine hesitancy … lower vaccine hesitancy. There was some evidence of the significance of race, but internet access and history of other … result in lower vaccination hesitancies, ceteris paribus. …