title: Altruism via kin-selection strategies that rely on arbitrary tags with which they coevolve.
authors.affiliation: Gerald R Ford School of Public Policy, University of Michigan, Ann Arbor, Michigan 48109, USA. axe@umich.edu
authors.forename: Robert
authors.initials: R
authors.lastname: Axelrod
authors.forename: Ross A
authors.initials: RA
authors.lastname: Hammond
authors.forename: Alan
authors.initials: A
authors.lastname: Grafen
mesh_terms: D000533:Altruism; D005075:Biological Evolution; D003198:Computer Simulation; D008957:Models, Genetic; D012641:Selection, Genetic; D012931:Social Environment