Changes over time in consumer demand, influenced by advertising, may not be accounted for in traditional, fixed parameter explanatory and forecasting models. A distributed lagged advertising model was developed and tested with coefficients that had random and systematic adjustments. A variable...

In 1969, formula feed manufacturers utilized 23.1 percent of all the feed grains and wheat fed to livestock. Estimates of aggregate demand by the mixed feed ind.:-stry for corn, oats, barley, grain sorghum, and wheat are presented. As expected, all of the feed grains have elastic demands. Grain...