Stones, Bones, and States: a New Approach to the Neolithic Revolution
1 Stones, Bones, and States: A New Approach to the Neolithic Revolution Richard H. Steckel and John Wallis February 19, 2007 The invention of agriculture, the wide spread shift to a sedentary lifestyle, and the growth of large population centers began around 10,000 years ago in what we now call the Neolithic revolution. This profound change in human activity marks the beginning of modern human society and has long been of interest to economists, anthropologists, and social scientists in general. Was it caused by a shift in relative prices due to climate, population pressure, or changes in the animal environment? Did it result from technological innovation in human knowledge about the physical world? Was institutional change a catalyst? Early research was highly speculative, with abundant explanations built on little data. New evidence from archeology and anthropology has eliminated some hypotheses and raised possibilities for answering more specific questions. This paper contributes to both the Neolithic empirical evidence and the theoretical questions about the Neolithic revolution. We propose a theoretical answer to how larger social groups were organized. A sedentary life-style was necessary for settled agriculture, and the shift to larger population units occurred contemporaneously with, and may have even preceded, the spread of new agricultural techniques. We then focus on the paradoxes inherent in the question: why did people move into towns and cities? Urban living came at a substantial cost. Accumulating evidence from skeletons, which we discuss below, shows that Neolithic cities and towns were unhealthy. Their residents were smaller in stature than hunter-gatherers and their bones had relatively more lesions indicating dental decay, infections and other signs of physiological stress.
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