We study the behavioral determinants of COVID-19 vaccination uptake. The vaccine-pass policy, implemented in several countries in 2021, conditioned the access to leisure and consumption places to being vaccinated against COVID-19 and created an unprecedented situation where individuals’ access...

We study theoretically and experimentally the approval mechanism (Masuda et al., 2013, 2014) inthe case of a three-player voluntary contribution game with the minimum disapproval benchmark.The three-player game raises the issue of aggregating approval votes. We compare the unanimityand the...