Research across psychology and economics suggests that higher cognitive ability, the mental skills used to learn, reason, and solve problems, often goes with more generous and prosocial choices. People who score higher on intelligence tests are more likely to give to charity, show unconditional altruism, and endorse values that favor the welfare of others.
Several lines of evidence point in the same direction. Longitudinal work finds that being selfish and combative does not help people gain power at work more than being generous and trustworthy. In practice, both dominance and generosity relate to advancement, and the gains from aggression are offset by the costs of being less communal.
In negotiation studies, people who take the other party’s perspective are better at finding deals that help both sides. Caring about the other side’s outcomes, and looking for ways to enlarge the “pie,” is linked to smarter bargaining results over time.
Important limits apply. Most findings are correlational, not proof that intelligence causes generosity. Some experiments report mixed patterns across tasks and measures. Context, incentives, and values matter. Still, taken together, current evidence supports the simple idea popularized by organizational psychologist Adam Grant, that it is wise to be a giver for the long run.
International Journal of Nonprofit and Voluntary Sector Marketing – “Charitable giving and cognitive ability” – 2011
Analysis of a large U.S. longitudinal sample finds that people with higher measured cognitive ability are more likely to donate to charity, even after accounting for age, income, wealth, health, and education.
Journal of Research in Personality – “Altruistic behavior as a costly signal of general intelligence” – 2007
Experiments inspired by costly signaling theory show that unconditional altruism, helping others at a real cost to oneself, relates to higher general intelligence.
Social Psychological and Personality Science – “Cognitive Ability and Personal Values: A Large Sample Study of Schwartz’s Values, HEXACO Personality, Age, and Gender” – 2025
In a national sample, higher cognitive ability aligns with valuing self-direction, benevolence, and universalism, and less endorsement of security and conformity, linking intelligence with less self-focused values.
Proceedings of the National Academy of Sciences – “People with disagreeable personalities do not have an advantage in pursuing power at work” – 2020
Two preregistered longitudinal studies following people into their careers show that disagreeableness, a mix of selfish and aggressive traits, does not increase power attainment, while extraversion does. Generous, communal behavior offsets any gains from aggression.
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