Super markets will have gross sales this year of about $2,000,000,000 22% of all U.S. retail food sales. This is the estimate presented last week by the U.S. Census Bureau's John Guernsey to a Philadelphia convention of the Super Market Institute (owners of more than 1,000 markets). How much larger a chunk of the nation's food bill super markets might eventually get, no one could guess. The U.S. had 9,250 super markets at year's beginning, has 10,100 now, is getting more all the time.
Super markets (defined by Guernsey as self-service groceries with at least a $100,000-a-year gross) buy...