Effects of Noise on Cooperation in Harsh Environments

Interactions in the real world are subject to mistakes and miscommunications. The presence of this noise in interactions challenges cooperation, as one party cannot determine whether the other party did not cooperate on purpose. The Prisoner's Dilemma has commonly been used to study mutual cooperation. Strategies like Tit for Tat that do well in...

Variability of Cooperation in a Spatial Prisoner’s Dilemma

In harsh, spatial versions of the prisoner’s dilemma, a stable ratio between cooperators and defectors is sometimes reached quickly, whereas for other runs<br/>the variability of this ratio is much higher. This paper explores different patterns of this ratio over time, and compares factors that may influence these patterns. A measure based on...