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原文連結
論文資訊
- 類型：已發表論文
- 日期：2009
摘要
Since Darwin, intergroup hostilities have figured prominently in explanations of the 演化 of human 社會 behavior. Yet whether ancestral humans were largely "peaceful" or "warlike" remains controversial. I ask a more precise question: If more cooperative groups were more likely to prevail in conflicts with other groups, was the level of intergroup violence sufficient to influence the 演化 of human 社會 behavior? Using a model of the 演化ary impact of between-group competition and a new data set that combines archaeological evidence on causes of death during the Late Pleistocene and early Holocene with ethnographic and historical reports on hunter-gatherer 族群s, I find that the estimated level of mortality in intergroup conflicts would have had substantial effects, allowing the proliferation of group-b
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