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We show that ethnocentric behavior can emerge from a simple evolutionary model of local competition between individuals . Interconnection delays between logic levels are affected by the proximity of placement for the logic elements , routing congestion , and local competition between nets for the fastest routing resources . R. F. Foster portrayed this struggle as one aspect of a local competition between varieties of Irishness ; in the 1613-1615 parliament , he suggested , internal regulation subdued internal rivalries . Local competition between housebuilders should also be subject to investigation and mechanisms put in place to avoid potential market abuses .