Correlated asymmetry

• Opponents differ in RHP

• Example: hawk - dove - assessor

  • Assessor strategy: if larger play hawk, if smaller play dove
  • If owner and intruder are equally frequent and get equal payoffs:

Opponent: Hawk Dove Assessor

Actor: Hawk

Dove

Assessor

(V-C)/2 V (V-C)/2

0 V/2 V/4

V/2 3V/4 V/2

When there is a cost to fighting, Assessor is pure ESS

assuming that assessment is costless and accurate

Previous slide

Next slide

Back to first slide

View graphic version