We show that warm-glow motives in provision by competing suppliers can lead to inefficient charity selection. In these … situations, discretionary donor choices can promote efficient charity selection even when provision outcomes are non …-competitive effect on charity selection, raising the value of charity provision per dollar of funding …

contributions. In our randomized field experiment, opera visitors received solicitation letters asking to support a social youth …

their effect across charity space and time. We find that major fundraising appeals lift total donations, but surprisingly …Fundraising interventions may lift donations and/or shift their composition and timing, making it important to study …

We conduct a field experiment in a controlled work environment to investigate the effect of motivational talk and its … interaction with monetary incentives. We find that motivational talk significantly improves performance only if it is accompanied …

randomized natural field experiment embedded in an existing labor market reactivation program to examine the effect of a self …

readership, therefore guaranteeing maximum diffusion. We conduct a field experiment with the Italian information site lavoce …

This paper presents evidence from a field experiment, which aims to identify the two sources of workers’ pro …-social motivation that have been considered in the literature: action-oriented altruism and output-oriented altruism. To this end we …-oriented altruism. We then compare the latter to effort exerted in an environment where both types of altruistic preferences are …

legally a tax. We design a randomized field experiment with treatments informing individuals that the levy is a tax. We …

effectiveness of social incentives -- that take the form of a donation received by a charity of the subject's choice -- to financial … incentives. We find that social incentives lead to a 13% rise in productivity, regardless of their form (lump sum or related to …-productivity subjects do not respond. When subjects can choose the mix of incentives half sacrifice some of their private compensation to …

Much fundraising is done by individuals within existing social groups. Exploiting a unique dataset, we demonstrate … the notion that giving in social groups is motivated by “relational altruism” …