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How Communication Can Make Voters Choose Less Well.

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Summary
This summary is machine-generated.

Social media has altered information networks, potentially increasing voter error. Even with unchanged individual competence, changes in how people receive information can impact voting results and democracy.

Keywords:
Agent-based modelingCommunicationCondorcet jury theoremVote aggregationVoting

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Area of Science:

  • Political Science
  • Computational Social Science
  • Information Science

Background:

  • The rise of social media has transformed information consumption.
  • Concerns exist about the impact of evolving information networks on voter beliefs and democratic processes.
  • Public discourse often questions whether voters act against their own self-interest due to misinformation.

Purpose of the Study:

  • To investigate how changes in information networks affect voter beliefs and voting outcomes.
  • To analyze the relationship between information network structure and the likelihood of voter error.
  • To bridge the debate on voter self-interest with the impact of social media on information dissemination.

Main Methods:

  • Utilized agent-based models to simulate information flow within networks.
  • Applied the formal framework of Condorcet's jury theorem for analysis.
  • Examined scenarios with altered information network structures.

Main Results:

  • Simulations demonstrated that changes in information networks can increase the probability of voter error.
  • Individual voter competence remained a constant factor in the models.
  • The study highlights how network dynamics, not just individual knowledge, influence collective decision-making.

Conclusions:

  • Altered information networks, driven by social media, can lead to a higher incidence of voter error.
  • The structure of information dissemination plays a critical role in democratic outcomes.
  • Understanding these network effects is crucial for safeguarding democratic processes in the digital age.