The Coevolution of Altruism, Parochialism and War - Santa Fe Institute

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1 Fraction of As 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0 War and leveling resource sharing resource sharing not 1 4 7 10 13 16 19 22 25 28 31 34 Probability of Group Conflicts (k) • The model shows that a given amount of warfare supports a higher fraction of A’s; • But that’s cheating because we have just assumed war rather than explained it. • We need to expand on Darwin’s idea
Darwin amended: Do we engage in mutual aid because evolution is red in tooth and claw? And is our evolution red in tooth and claw because we engage in mutual aid? ? If wars are frequent and altruistic groups win, then the answer to the first question is yes. But why are humans such a warlike species?
Page 1 and 2: The Coevolution of Altruism, Paroch
Page 3 and 4: Reproductive levelling Ethnic bound
Page 5 and 6: Peter Kropotkin ...mutual aid.. ..r
Page 7 and 8: Darwin’s idea, modernized • 0.
Page 9 and 10: Warning: group selection alert! •
Page 11 and 12: Evolutionary fate of an altruistic
Page 13 and 14: Why humans escaped the evolutionary
Page 15 and 16: Human distinctiveness to the rescue
Page 17 and 18: Resource Sharing (Tax) on Evolution
Page 19 and 20: Co-evolution of individual behavior
Page 21: 1 Fraction of As 0.9 0.8 0.7 0.6 0.
Page 25 and 26: Consider a population in which P T
Page 27 and 28: Does the model describe our ancestr
Page 29 and 30: Genetic differentiation & mortality
Page 31 and 32: War in hunter gatherer society: arc
Page 33 and 34: Archeological evidence: δ = % of d
Page 35 and 36: Were goups warlike enough and diffe
Page 37 and 38: Altruists Parochial Altruists Paroc
Page 39 and 40: Conclusion: • Under conditions ap
Page 41 and 42: Where does this leave us, as a spec

The Coevolution of Altruism, Parochialism and War - Santa Fe Institute

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