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Published online by Cambridge University Press: 05 September 2016
Producer “checkoff” programs have been established for several agricultural commodities. Typically, at least part of the money collected is used to support commodity promotions. But decisions about support of promotions often are made with little information about expected impacts on demand. Studies of selected commodity promotions have provided estimates of promotions' impacts on intercepts of demand functions. But these studies have not provided information about impacts on other demand parameters; viz., the responsiveness of quantity demanded to changes in commodity price, prices of competing commodities or consumer income. The purpose of this paper is to suggest and illustrate a research procedure that provides estimates of a promotion's impacts on the demand function's intercept and on responsiveness of quantity demanded to changes in price, competing prices and income.
Journal Paper No. J-8275 of the Iowa Agriculture and Home Economics Experiment Station, Ames, Iowa. Project No. 1978.