Soybeans genetically engineered to withstand the herbicide Roundup became available to farmers in 1996 and rapidly became the most popular of the new biotechnology crops. However, rising concerns over consumer acceptance late in 1999 created a climate of uncertainty over national markets and put...

A three-step econometric modeling process incorporating lag lengths, causality, and asymmetric relationships was employed to evaluate the Red Delicious apple market. Results suggest that price responses in the Western, North Central, and Northeastern regions are asymmetric, do not occur...