Geographic Distribution of Research Costs and Benefits

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Abstract
More interest is being taken in the sources of increased agricultural productivity. Public efforts to produce and disseminate new knowledge in agriculture have been increasing particularly since World War II. But there are wide differences in the contributions among the states. This article grew out of a study of the sources of income for agricultural research and education, which attempted to determine if state differences in the public production and distribution of new technology affected the average productivity of farms among the states. The methods of multiple correlation of gross farm income with conventional inputs and inputs of agricultural research education did not disclose any significant differences among states in output attributable to the latter two inputs. The conclusion is that public information is so freely available and so generally applicable that the source of the new knowledge is not very important when all the states in the Union are considered.

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