title: 'Raise the stakes' evolves into a defector.
authors.forename: T
authors.initials: T
authors.lastname: Killingback
authors.forename: M
authors.initials: M
authors.lastname: Doebeli
mesh_terms: D000533:Altruism; D005075:Biological Evolution; D003299:Cooperative Behavior; D005716:Game Theory; D009154:Mutation; D012641:Selection, Genetic