Altruism in insect societies and beyond: voluntary or enforced?

The genetical evolution of social behaviour. I

W D Hamilton · Journal of Theoretical Biology · 1964 · 15.9K citations

Life Sciences, Evolutionary Biology, Genetics +14

Altruistic punishment in humans

Ernst Fehr, Simon Gächter · Nature · 2002 · 5.6K citations

Social Sciences, Behavioral Sciences, Psychology +8

The Evolution of Social Behavior

Richard D. Alexander · Annual Review of Ecology and Systematics · 1974 · 3.9K citations

Life Sciences, Ecology, Evolutionary Biology +14

The Evolution of Altruistic Behavior

W D Hamilton · The American Naturalist · 1963 · 2K citations

Social Sciences, Behavioral Sciences, Evolutionary Biology +12

Caste and ecology in the social insects

M. V. Brian · Animal Behaviour · 1979 · 1.9K citations

Life Sciences, Biology, Ecology +11