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Impact of Groups on Groups01:19

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Social psychologists analyze how groups influence one another, shaping social structures and interactions through both cooperation and competition. These dynamics manifest in various ways, ranging from economic partnerships to intergroup conflicts that shape societal structures and perceptions.Cooperation and Competition in Intergroup RelationsIntergroup relationships vary across contexts, sometimes fostering cooperation and mutual benefit while at other times leading to conflict and...
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Source-sink behavioural dynamics limit institutional evolution in a group-structured society.

Laurent Hébert-Dufresne1,2,3, Timothy M Waring4,5, Guillaume St-Onge6,7

  • 1Department of Computer Science, University of Vermont, Burlington VT, USA.

Royal Society Open Science
|March 29, 2022
PubMed
Summary
This summary is machine-generated.

Social change requires evolving behaviors and institutions. This study shows that while cooperation and institutions can reinforce each other, widespread cooperation can lead to free-riding, hindering institutional progress.

Keywords:
behavioural diffusioncooperationcultural evolutioninstitutionssource-sink dynamics

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Area of Science:

  • Social dynamics and evolutionary modeling
  • Behavioral economics and game theory
  • Sociology and institutional change

Background:

  • Social change involves shifts in both individual behaviors and societal institutions.
  • Cooperative behaviors, crucial for collective benefits, often require external support for propagation.
  • Group-level institutions can facilitate behavior diffusion but incur costs.

Purpose of the Study:

  • To model the co-evolution of behavior and institutions in a group-structured society.
  • To investigate how cooperative behaviors and group-level institutions interact and influence social change.
  • To understand the conditions under which large-scale beneficial social change can occur.

Main Methods:

  • Agent-based modeling of a group-structured society.
  • Simulation of parallel transmission of individual behavior and selection of group-level institutions.
  • Analysis of cooperative behavior with collective benefits and group-specific institutions.

Main Results:

  • Behavior and institutions can exhibit mutual reinforcement, promoting social change.
  • Behavioral 'source-sink' dynamics emerge, where institutionalized groups subsidize non-institutionalized ones.
  • Global diffusion of beneficial behaviors can lead to institutional free-riding, limiting institutional evolution.

Conclusions:

  • Mutually reinforcing behavior and institutions are key to social change.
  • Institutional free-riding poses a significant challenge to the evolution of beneficial institutions.
  • Correlated evolution of behavior and institutions is optimal for large-scale social change in group-structured societies.