GMDC, Nielsen release new GM Hierarchy data
COLORADO SPRINGS, Colo. — The Global Market Development Center (GMDC) and Nielsen have refreshed their proprietary GMDC/Nielsen General Merchandise Hierarchy data set. GMDC said Wednesday that the research provides a detailed look at GM category sales and trends in the food and drug channels, as well as across all retail channels. The GM Hierarchy reports data from more than 12,900
