We study the volunteer's dilemma in environments with heterogeneous preferences and private information. We …

they are alone. The theoretical literature typically explains the bystander effect with the volunteer's dilemma: if … explanation for the bystander effect. In line with the predictions of the volunteer's dilemma, I find that bystanders help … that the volunteer's dilemma is a sensible way to model situations in which someone is in need of help, but it highlights …