We introduce a novel experimental procedure to measure altruistic giving along a spectrum, from warm glow to pure altruism, by eliciting willingness to pay to increase the likelihood that a donation is received by a recipient. Whereas previous methods identify pure warm-glow motives, our...

Beliefs are increasingly recognised as an important driver of behaviour, but measuring beliefs is not straightforward. We design a giving experiment to compare beliefs (about others) using different elicitation mechanisms when self-serving motives may compete with accuracy incentives. Consistent...