In an interaction it is possible that one agent has features it is aware of but the opponent is not. These features (e.g. cost, valuation or fighting ability) are referred to as the agent's type. The paper compares two models of evolution in symmetric situations of this kind. In one model the...

The paper compares two models of evolution in symmetric two-player games with incomplete information. One model postulates that the type of a player is fixed, and evolution works within types. In the other model type-contingent strategies evolve. In the case of two types and two strategies it is...

The paper proves that in two-player logit form symmetric contestswith concave success function, commitment to a particular strategydoes not increase a player's payo, while in contests with more thantwo players it does. The paper also provides a contest-like game inwhich commitment does not...

The paper shows that there is a close connection between (constant)consistent conjectures in a given game and evolutionary stabilityof conjectures. Evolutionarily stable conjectures are consistent andconsistent conjectures are the only interior candidates for evolutionarystability...