An Economics-Inspired Noise Model in Spatial Games with Reputation

  • Dhruv GairolaEmail author
  • Siang Yew Chong
Part of the Studies in Computational Intelligence book series (SCI, volume 422)


Games are useful mathematical constructs to model real-world problems involving strategic interactions in various contexts such as politics, economics, and biology. Understanding specific conditions that lead to cooperation between self-interested individuals is an important issue in the study of real-world interactions. Although noisy and spatial interactions have been incorporated into models of complex interactions to better reflect those found in the real-world, most past studies consider simple extensions whereby interactions between all individuals are equally noisy. Here, we study a novel economics-inspired noise model based on the notion of psychic distance that reflects real-world interactions. The psychic noise that affects interactions between individuals depends on their psychic distance (e.g., cultural difference). Results from extensive computer simulations using a multi-agent system framework to investigate the impact of various constructions of noisy interactions indicate that noise typically has a negative impact on cooperation. However, a certain condition produces results reminiscent of the psychic distance paradox, where an increase in the noise level leads to an increase in the level of cooperation.


Noise Model Neighbourhood Size Spatial Interaction Image Score Psychic Distance 
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Copyright information

© Springer-Verlag Berlin Heidelberg 2012

Authors and Affiliations

  1. 1.School of Computer ScienceUniversity of NottinghamJalan BrogaMalaysia

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