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Updated: Dec 22, 2025

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The cancellation effect at the group level.

Aslıhan Akdeniz1,2, Matthijs van Veelen1,2

  • 1Department of Economics and Business, University of Amsterdam, 1012 WX Amsterdam, The Netherlands.

Evolution; International Journal of Organic Evolution
|May 10, 2020
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Summary
This summary is machine-generated.

Local competition between groups can hinder the evolution of cooperation. When groups compete locally, cooperative groups face stronger competition from similar neighbors, impacting evolutionary dynamics and empirical estimations.

Keywords:
Cancellation effectevolution of cooperationgroup selection

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Area of Science:

  • Evolutionary Biology
  • Behavioral Ecology
  • Game Theory

Background:

  • Group selection models integrate individual and group-level selection pressures.
  • Cooperation evolves when individuals are assorted into groups with high proportions of cooperators.

Purpose of the Study:

  • To investigate the impact of local group competition on the evolution of cooperation.
  • To assess the implications for existing empirical methods in group selection studies.

Main Methods:

  • Theoretical modeling of group selection with local competition.
  • Analysis of evolutionary dynamics under varying competition structures.

Main Results:

  • Local group competition can significantly impede the evolution of cooperation.
  • Cooperative groups face intensified competition from similar neighboring groups.
  • Empirical methods assuming global competition may yield biased estimates.

Conclusions:

  • The spatial structure of inter-group competition is crucial for understanding cooperation evolution.
  • Rethinking empirical approaches is necessary to account for local competition dynamics.