Imitating the winner leads to discrimination in spatial prisoner's dilemma model.

ABSTRACT: The occurrence of discrimination is an important problem in the social and economical sciences. Much of the discrimination observed in empirical studies can be explained by the theory of in-group favouritism, which states that people tend to act more positively towards peers whose appearances are more similar to their own. Some studies, however, find hierarchical structures in inter-group relations, where members of low-status groups also favour the high-status group members. These observations cannot be understood in the light of in-group favouritism. Here we present an agent based model in which evolutionary dynamics can result in a hierarchical discrimination between two groups characterized by a meaningless, but observable binary label. We find that discriminating strategies end up dom

SUBMITTER: Jensen GG 

PROVIDER: S-EPMC6405999 | biostudies-literature | 2019 Mar

REPOSITORIES: biostudies-literature