vaccination, recovery or a recent negative test, and have required individuals to show certificates to access shops, restaurants … been investigated. To estimate these effects, we construct counterfactuals based on innovation diffusion theory for France …, Germany and Italy. We estimate that the announcement of COVID certificates during summer 2021 led to increased vaccine uptake …

, qualitative, and quantitative dynamic norms, on actual vaccination rates. Contrary to our hypothesis, dynamic norms alone fail to … influence second-dose HPV vaccination rates for these trendsetters. However, the study reveals a 5.22 percent increase …

publicly-managed vaccination campaigns. We fill this gap by studying the case of Chile, which offers a rare combination of a … high-stakes election, voluntary voting, and a vaccination process halfway implemented by election day. Crucially, the roll … find that higher vaccination rates boost political participation and empower challengers irrespective of their party …