A certificate of impact (also known as an impact certificate) is a kind of altruistic instrument at the center of a funding model proposed by Paul Christiano. Certificates of impact attempt to harness the benefits of the price system in altruistic contexts, where prices are usually unavailable. In this model, altruistic work receives some or all of its funding after completion rather than beforehand. Once an individual or organization completes work with a positive social impact, they can app...
