Charity rating agencies often focus on overhead cost ratios in evaluating charities, and donors appear to be sensitive …-used metric and a charity’s effectiveness. There is evidence that a focus on overhead costs leads charities to underinvest in … whether donors care about overhead costs, whether they are good measures of charity effectiveness, and what effects a focus on …

charitable giving, the implications of viral fundraising and increased social media use by both donors and nonprofit … of giving as a form of civic engagement, and the exploration of philanthropy as a tool for social movements and social …