Cotterill, Ronald W.; Haller, Lawrence E. - 1994
markets. We employ data for 51 local market areas from the Information Resources, Inc. "Supermarket Review" data base for 1988 … and 1989. Using national data, we identify the twenty top brands (by volume sales) and all cooperatives that market one or … more brands in each of the above categories, and report their national market shares, averages prices, number of local …