However, an altruistic basis for donation does not necessarily exclude other approaches: systems based on altruism and systems involving some form of payment are not mutually exclusive. This holds in two circumstances: first, in the absence of reward, where payment may be used to recompense the donor for costs actually incurred in donating (that is, in order to avoid financial losses as a result of donation); and second, in the presence of reward, where some forms of reward (monetary or otherwise) may in fact co-exist with altruistic intent. We distinguish between altruist-focused interventions (that act to remove disincentives from,.
