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Behavioral Attenuation in Networks

Author

Listed:
  • Guo, F.
  • Choi, S.
  • Goyal, S.
  • Moisan, F.

Abstract

Social networks shape individual behavior, and public policy increasingly leverages networks to enhance effectiveness. It is therefore important to understand how individuals behave in network interactions. This paper uses lab experiments to examine behavior in games on networks involving strategic substitutes and strategic complements. Theory suggests that an individual’s choice is proportional to their (Bonacich) centrality. Our experiments, however, find that while choices increase with centrality, the relationship is weaker than predicted. The total action levels individuals choose and the total payoff they achieve are higher than the Nash outcomes in some cases while lower in others. We find that these results can be coherently explained by individuals’ behavioral attenuation: they have incomplete adjustments to the strategic differences across network positions, exhibiting a bias toward generally high-payoff choices in complex networks—even when these choices are not optimal for their specific network positions.

Suggested Citation

  • Guo, F. & Choi, S. & Goyal, S. & Moisan, F., 2024. "Behavioral Attenuation in Networks," Janeway Institute Working Papers 2433, Faculty of Economics, University of Cambridge.
    • Handle: RePEc:cam:camjip:2433
    Note: sg472
    as

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    More about this item

    Keywords

    Centrality; Behavioural Biases; Networks;
    All these keywords.

    JEL classification:

    • C92 - Mathematical and Quantitative Methods - - Design of Experiments - - - Laboratory, Group Behavior
    • D83 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Search; Learning; Information and Knowledge; Communication; Belief; Unawareness
    • D85 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Network Formation
    • Z13 - Other Special Topics - - Cultural Economics - - - Economic Sociology; Economic Anthropology; Language; Social and Economic Stratification

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