Much fundraising is done by individuals within existing social groups. Exploiting a unique dataset, we demonstrate (i …) a positive relationship between social group size and the number of donations; (ii) a negative relationship between … group size and the size of individual donations; (iii) no clear relationship between group size and the total amount raised …

tsunami disaster and other charitable donations. The empirical evidence suggests that donations specifically for the victims … to the victims of the tsunami on future donations to charity, however, our findings suggest an inverse relationship with …Using household-level data, we explore the relationship between donations to the victims of the 2004 Indian Ocean …

We conducted two fundraising experiments to study the effects (1) of compassion towards the beneficiary, and (2) of … giving participants an opportunity to attribute small donations to luck. We find that exposing the participants to a plea to … help the beneficiary increases the average donation. Giving participants an opportunity to attribute small donations to …

between social group size and fundraising outcomes: (i) a positive relationship between group size and the total number of … donations; (ii) a negative relationship between group size and the amount given by each donor; (iii) no relationship between …

directly. This points to an efficiencyeffectiveness tradeoff even though indirect donations are less efficient than direct … donations, they are more effective in mobilizing resources. Our findings hold for Fair Trade coffee as well as for normal coffee …

directly. This points to an efficiency-effectiveness trade-off: even though indirect donations are less efficient than direct … donations, they are more effective in mobilizing resources. Our findings hold for 'Fair Trade' coffee as well as for 'normal …

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 … shift donations to other charities across time. To explain this, we develop a two-period model with two sources of warm glow …

Recent literature has shown that all-pay auctions raise more money for charity than winner-pay auctions. We demonstrate …

empirically, about the properties of charity auctions. The small theoretical literature suggests that the all-pay auction should … difference between existing theory and the field. To conclude, we show that a model of charity auctions augmented by an …

you are a trustworthy person may, therefore, be an important motive for charity and other forms of prosocial behavior …