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Preferential interactions promote blind cooperation and informed defection.

Alfonso Pérez-Escudero1, Jonathan Friedman2, Jeff Gore2

  • 1Physics of Living Systems, Department of Physics, Massachusetts Institute of Technology, Cambridge, MA 02139 alfonso.perez.escudero@gmail.com.

Proceedings of the National Academy of Sciences of the United States of America
|November 19, 2016
PubMed
Summary
This summary is machine-generated.

We often dislike decision-makers who gather information, even if it benefits us. This study reveals that avoiding information-seeking promotes cooperation by helping us identify reliable partners.

Keywords:
cooperationgame theoryincomplete informationpopulation heterogeneitysignaling

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Area of Science:

  • Behavioral Economics
  • Evolutionary Psychology
  • Game Theory

Background:

  • Individuals often disapprove of others gathering information before making decisions, even when those decisions are beneficial.
  • Existing models suggest punishment of information gathering can enhance cooperation by enforcing blind decisions.

Purpose of the Study:

  • To investigate the benefits of aversion to information gathering in decision-making, independent of punishment.
  • To explore the mechanism of preferential interaction with reliable partners.

Main Methods:

  • Theoretical modeling of decision-making in a diverse population with unknown preferences.
  • Analysis of cooperation and defection strategies based on information-seeking behavior.

Main Results:

  • Aversion to information gathering can be beneficial by enabling preferential interactions with reliable partners.
  • Individuals who seek information signal preferences close to non-cooperation, making them less reliable long-term.
  • Blind cooperators are more likely to maintain cooperation, leading to a preference for interacting with them.

Conclusions:

  • Aversion to information gathering promotes cooperation through preferential partner selection, distinct from punishment-based mechanisms.
  • This finding offers a new perspective on social decision-making and partner choice.
  • Qualitatively different predictions arise from punishment vs. preferential interaction mechanisms, allowing for experimental differentiation.