Abstract:Sympatric speciation is typically presented as a rare phenomenon, but urban subcultures frequently emerge even in absence of geographic isolation. Is there perhaps something that culture has but biological inheritance does not that would account for this difference? We present a novel model that combines assortative interaction and multidimensional inheritance. Our computer simulations show that assortment alone can lead to the formation of cohesive clusters of individuals with low within-group and large betwe… Show more
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