Economic Systems of Foraging, Agricultural, and Industrial Societies

Cambridge University Press Published In Pages: 316
By Frederic L. Pryor


Percentage of subsistence derived from agriculture will be positively associated with indicators of environmental favorability (65).


No linear association is found with any environmental variables. However, some relationships may be curvilinear, with highest dependence on agriculture occurring in middling ranges of precipitation and evapotranspiration.


Test NameSupportSignificanceCoefficientTail
Ordinary Least Squares (OLS) regressionPartially supportedp < 0.05UNKNOWNUNKNOWN