Abstract
The intensification of food production plays a central role in the evolution of complex human societies. However, it is unclear whether the standard model of intensification is theoretically or empirically justified. This leaves social scientists unable to make reasonable inferences about the relationship between intensification and the evolution of social complexity in past societies. To remedy this problem, I derive a model of intensification from human macroecology, settlement scaling theory, human behavioural ecology, cultural evolutionary theory and niche construction theory. The standard and cultural niche construction models are formalized and their predictions are tested using a comprehensive ethnographic dataset that describes food production in 40 human societies, ranging in complexity from foraging bands to agricultural states. Analysis of the ethnographic record suggests that we reject the standard model and tentatively accept the cultural niche construction model. I attempt to demonstrate the broader utility of the cultural niche construction model as a framework that may help explain the transition from small-scale to large-scale complex societies.
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All data generated or analysed during this study are included in this published article (and its Supplementary Information files).
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The R code used for this analysis is included as Supplementary Software.
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Acknowledgements
I thank M. Peeples, C. Morehart, M. E. Smith, J. Lobo and B. L. Turner II for help researching and writing this paper.
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Sandeford, D.S. A quantitative analysis of intensification in the ethnographic record. Nat Hum Behav 5, 1502–1509 (2021). https://doi.org/10.1038/s41562-021-01120-w
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DOI: https://doi.org/10.1038/s41562-021-01120-w
