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  1. The economic origins of ultrasociality.John Gowdy & Lisi Krall - 2016 - Behavioral and Brain Sciences 39:1-63.
    Ultrasociality refers to the social organization of a few species, including humans and some social insects, having a complex division of labor, city-states, and an almost exclusive dependence on agriculture for subsistence. We argue that the driving forces in the evolution of these ultrasocial societies were economic. With the agricultural transition, species could directly produce their own food and this was such a competitive advantage that those species now dominate the planet. Once underway, this transition was propelled by the selection (...)
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