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01261 am a22001693u 4500 |
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|a Levy, Moshe
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|a Lo, Andrew W
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|a Hamilton's rule in economic decision-making
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|b Proceedings of the National Academy of Sciences,
|c 2022-08-03T17:48:31Z.
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|z Get fulltext
|u https://hdl.handle.net/1721.1/144203
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|a <jats:title>Significance</jats:title> <jats:p>Kin selection-helping genetically related individuals even at a cost to oneself-can be evolutionarily advantageous. This is the main theoretical explanation for altruism in the natural world. Hamilton's rule provides a simple algebraic relationship that captures this profound idea. While behavior consistent with Hamilton's rule has been observed in many species, a direct and sharp test of this rule has not yet been performed. In this paper, we employ techniques borrowed from experimental economics to test the predictions of Hamilton's rule. We find strong support for the rule. This result sheds light on the dominant role played by evolutionary biology in explaining human behavior.</jats:p>
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|a Article
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|t 10.1073/pnas.2108590119
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|t Proceedings of the National Academy of Sciences
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