Published online by Cambridge University Press: 23 December 2025
Chapter 2 starts by considering our social evolutionary trajectory that saw humans collaborate with one another to bring down prey larger than themselves and to ward off assailants seeking to pillage hard earned resources. The chapter reviews theories of the social contract that enabled family gatherings to grow in size, reaping the benefits of collaboration and setting the groundwork for specialisation and division of labour. It then proceeds to consider the downside of communal resources that involve the tendency to further personal interests at the expense of public ones. This is known as the Tragedy of the Commons in the social sciences literature. The chapter proceeds to consider this implication in terms of the benefits conferred by cheating, which put selective pressures on human systems to develop strategies for their detection and punishment.
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