Hand hygiene is one of the key behavioral routines advocated globally to contain infectious diseases; however, compliance in public settings continues to lag behind recommendations. Messages to remind people to disinfect their hands can help, but who should be the messenger? In a field...

Background: Governments around the world use mobile vaccination units (MVUs) to increase COVID-19 vaccine uptake, but the causal effect of MVUs has not yet been evaluated.Methods: In a randomized controlled trial (RCT) with 20 Swiss communities (10 treatment and 10 control) in August 2021, we...

Background. In a randomized field trial conducted during the COVID-19 pandemic, we investigated the relative effectiveness of prosocial versus self-interested appeals to increase compliance with preventative health recommendations. Design. The present study is the first to offer insights from a...

We use an incentivized experimental game to uncover heterogeneity in otherregarding preferences among salespeople in a large Austrian retail chain. Our results show that the majority of agents take the welfare of others into account but a significant fraction reveals self-regarding behavior....

External recruiting at least weakly improves the quality of the pool of applicants, but the incentive implications are less clear. Using a contest model, this paper investigates the pure incentive effects of external recruiting. Our results show that if workers are heterogeneous, the opening of...