Evolutionary Game Model of Group Choice Dilemmas on Hypergraphs.

We introduce an evolutionary game on hypergraphs in which decisions between a risky alternative and a safe one are taken in social groups of different sizes. The model naturally reproduces choice shifts, namely the differences between the preference of individual decision makers and the consensual choice of a group, that have been empirically observed in choice dilemmas. In particular, a deviation from the Nash equilibrium toward the risky strategy occurs when the dynamics takes place on heterogeneous hypergraphs. These results can explain the emergence of irrational herding and radical behaviors in social groups.

• Publication year

  2021

• Venue

  Physical Review Letters

• Publication date

  2021-04-22

• Fields of study

  Biology, Medicine, Physics, Computer Science

• Identifiers
  DOI 10.1103/PhysRevLett.127.268301arXiv 2104.11270PMID 35029481
• External record

  Open on Semantic Scholar

• Source metadata

  Semantic Scholar, PubMed

• No claims are published for this paper.

• No concepts are published for this paper.

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