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...

This paper provides insights into the apparent seesaw between the generation of theoretical versus empirical economics research over time. A dynamic model considers the incentives of researchers to focus on empirical versus theoretical papers. It yields the main characteristics of the...