Policies offering material incentives for Covid-19 vaccination have been widely used around the world as countries pursue the pressing objective of boosting immunity. This paper reports an experiment in China aimed at testing the effects of such interventions on vaccination willingness. We...

Lack of information about COVID-19 and its spread may have contributed to excess mortality at the pandemic's onset, In April and May 2020, we implemented a randomized controlled trial with more than 3,000 households in 150 Bangladeshi villages, Our one-to-one information campaign via phone...