28 August 2010

The illusion of diversity: visualizing ownership in the soft drink industry

Only 3 firms control 89% of US soft drink sales. Not sure globally if the same picture is replicated. Looking at retail shelves you would believe that you have numerous choices but it reality all your choices are limited to a product of one of these 3 companies. Here is a cluster diagram to represent the number of soft drink brands and varieties found in the refrigerator cases of 94 Michigan retailers, along with their ownership connections.

No comments: