We report results of an experiment designed to assess the impact of Hurricane Katrina on the pattern and level of charitable contributions of donors. The study includes an experimental measure of charitable giving and targets three charities: the American Red Cross, the Salvation Army, and Oxfam...

We examine two different ways to subsidize charitable giving: by a rebate (returning a portion of the donation to the giver) or by a match (adding additional donations to the giver's donation). In previous experimental research, we have shown that participants give more to charity under the...

This paper experimentally investigates how risk attitudes mitigate leadership effectiveness in a collective setting with projects that exhibit both free riding and coordination problems. We take two novel approaches: 1) the introduction of economic game theory to psychological studies of...

An individual should be indifferent between a rebate subsidy of rate sr and a matching subsidy of rate sm = sr /(1 - sr), and the total amount received by the charity should be the same regardless of subsidy type. Recent laboratory and field experiments contradict these straightforward...