Abstract: The study investigated the decision-making and value of people of different coh orts, by Ultimatum Game and Dictator Game. Results showed that older participant s offered significantly more than the younger groups as proposers, and they reje cted significantly less in UG as responders. As education of participants was co ntrolled in the study, we argued that older people are more in favor of equal al location and altruism than younger groups, due to their value of fairness instea d of cognitive ability.