The economics of social stratification in premodern societies

Robert Rowthorn, Ricardo Andrés Guzmán and Carlos Rodríguez-Sickert. Journal of Mathematical Sociology, 2011.


We present a microeconomic model of social strati…cation, which includes an endogenous fertility component. In the model, egalitarian and strati…ed societies coexist. The latter are divided into two hereditary classes: a warrior elite and a productive class. The model entails that the extra cost warriors must incur to train and equip their children for war determines the relative sizes of both classes and the degree of economic inequality. Higher costs of warrior children imply a greater economic advantage for warriors and a smaller ratio of warriors to producers. These results are consistent with the historical evidence. Finally, we explore conditions under which the social contributions of the warrior elite could discourage a revolution.


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