Q. Assume that a small town has seven burger shops whose respective shares of the local hamburger marketplace are (as percentages of all hamburgers sold): 25%, 24%, 20%, 12%, 9%, 6% also 4%.
Illustrate what is the four industry concentration ratio of the hamburger organization in this town?
Illustrate what is the index for the hamburger organization in this town?
If the top three sellers combined to form a single industry, illustrate what would occur to the four industry concentration ratio also to the index?