Coordination games on networks

8 Sep 2017, 09:30
oral Session 12


Adam Kleczkowski (University of Stirling, Scotland)


One of the key contributions of Marian Smoluchowski was to show that even small, apparently random, contributions from individuals can combine to produce significant shifts in the collective behaviour. This paradigm is not limited to physics but has become increasingly influential in biological and social sciences. Models have been developed to describe such diverse systems like the market failure or spread and control of infectious diseases. We present a model that combines game theoretical framework for decision-making process involved in controlling plant infection or pest spread with a network model. We study a repeated cooperation game describing actions of plant nursery managers. We show that although the cooperation strategy is not stable (due to the existence of a risk-dominant strategy), the decay rate non-trivially depends on the initial density of cooperators, on the weight they assign to past events, and whether the decision involves an element of a chance. By considering an agent quantal response learning process, we also study how ‘irrationality’ of decisions influence potential for collaborative actions. Finally, we show that the network structure also impacts on the emergence of cooperation.

Primary author

Adam Kleczkowski (University of Stirling, Scotland)


Michael Redenti (University of Stirling, Scotland) Nicholas Hanley (University of St Andrews, Scotland)

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