Why Class Formation Occurs in Humans but Not among Other Primates

Human Nature 31 (2):155-173 (2020)
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Abstract

Most human societies exhibit a distinct class structure, with an elite, middle classes, and a bottom class, whereas animals form simple dominance hierarchies in which individuals with higher fighting ability do not appear to form coalitions to “oppress” weaker individuals. Here, we extend our model of primate coalitions and find that a division into a bottom class and an upper class is inevitable whenever fitness-enhancing resources, such as food or real estate, are exploitable or tradable and the members of the bottom class cannot easily leave the group. The model predicts that the bottom class has a near flat, low payoff and always comprises at least half the society. The upper class may subdivide into one or more middle class(es), resulting in improved payoff for the topmost members (elite). The model predicts that the bottom class on its own is incapable of mounting effective counter-coalitions against the upper class, except when receiving support from dissatisfied members of the middle class(es). Such counter-coalitions can be prevented by keeping the payoff to the lowest-ranked members of the middle classes (through concessions) well above that of the bottom class. This simple model explains why classes are also absent in nomadic hunter-gatherers and predominate in (though are not limited to) societies that produce and store food. Its results also agree well with various other known features of societies with classes.

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References found in this work

The Communist Manifesto.Karl Marx - unknown - Yale University Press.
The ruling class.Gaetano Mosca - 1939 - London,: McGraw-Hill book company. Edited by Hannah D. Kahn & Arthur Livingston.
The Ruling Class.Gaetano Mosca - 1939 - Westport, Conn.: Greenwood Press. Edited by Arthur Livingston.

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