“…Starting with the individual, we can say that an act of egoism is an act that is beneficial for the individual. Assuming rational choice (Lovett, 2006), the cost of the act for the individual, C i , is compared with the individual benefits, i.e., the utility, U i , and if U i > C i , then the act is performed. An act of altruism can be defined as an act that is not beneficial for the individual.…”