Altruism (biology) most common mechanism of reciprocity in nature, this kind is present in humans, primates, and many other mammals. Also known as, "If you're nice, I'll be nice too." This mechanism of reciprocity is similar to the heuristic of the golden rule, "Treat others how you would like to be treated." Parties mirror one another's attitudes, exchanging favors on the spot. Instant attitudinal reciprocity occurs among monkeys, and people often rely on it with strangers and acquaintances. Also known as, "what have you done for me lately?" Individuals keep track of the benefits they exchange with particular partners, which helps them
Mutual-benefit nonprofit corporation Mutual-benefit nonprofit corporation A mutual-benefit nonprofit corporation or membership corporation is a type of nonprofit corporation in the US, similar to other mutual benefit organizations found in some of common law nations, chartered by government with a mandate to serve the mutual benefit of its members. A mutual-benefit corporation can be non-profit or not-for-profit in the United States, but it cannot obtain IRS 501(c)(3) non-profit status as a charitable organization. It is distinct in U.S. law from public-benefit nonprofit corporations, and religious corporations. Mutual benefit corporations must still file tax returns and pay income tax because they are not formed