The payoffs of a symmetric 2x2 coordination game are perturbed by agent-specific heterogeneity. Individuals observe a (possibly sampled) history of play, which forms the initial hypothesis for an opponent's behaviour. Seedings beliefs in this manner, they iteratively reason toward a Bayesian...

This paper takes a new look at the classic concession game. It argues that exit from an asymmetric war of attrition is likely to be instant. Selecting a unique equilibrium using a "craziness" pertubation device, it finds a notion of stochastic strength determines the outcome, with a...

"Group selection" is often cited as an explanation for the survival of altruism. The idea of group selection is a controversial one - much effort has been expended on its justification (and refutation). Relatively little effort has gone into formally testing whether or not it can actually...