The nature of human altruism

@article{Fehr2003TheNO,
  title={The nature of human altruism},
  author={Ernst Fehr and Urs Fischbacher},
  journal={Nature},
  year={2003},
  volume={425},
  pages={785-791}
}
Some of the most fundamental questions concerning our evolutionary origins, our social relations, and the organization of society are centred around issues of altruism and selfishness. Experimental evidence indicates that human altruism is a powerful force and is unique in the animal world. However, there is much individual heterogeneity and the interaction between altruists and selfish individuals is vital to human cooperation. Depending on the environment, a minority of altruists can force a… 
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