Ecology and Acculturation Among Native Peoples of Central Brazil

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Science  30 Nov 1979:
Vol. 206, Issue 4422, pp. 1043-1050
DOI: 10.1126/science.206.4422.1043


Simple exposure to Western goods may not be a sufficient explanation of why isolated village communities increase their participation in external market economies. The degree of market participation by four native villages in central Brazil is related to the difficulty of making a living from slash-and-burn subsistence agriculture as measured by the ratio of labor input to food output.