Why reciprocity is common in humans but rare in other animals

Nature, Published online: 21 February 2024; doi:10.1038/d41586-024-00308-0Reciprocal cooperation can be advantageous, but why it is more common in humans than in other social animals is a puzzle. A modelling and experimental study pinpoints the conditions needed for reciprocity to evolve.

Why reciprocity is common in humans but rare in other animals

Nature, Published online: 21 February 2024; doi:10.1038/d41586-024-00308-0

Reciprocal cooperation can be advantageous, but why it is more common in humans than in other social animals is a puzzle. A modelling and experimental study pinpoints the conditions needed for reciprocity to evolve.

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