In the rain coat industry the sales of the firms is as follows:
Firm A $625 Firm B $500 Firm C $475
Firm D $400 Firm E $350 Firm F $350
Firm G $300 Firm H $150 Firm I $75
Based on this information what is the four firm concentration ratio for the rain coat industry?
Group of answer choices
0.62
0.65
0.57
0.23
Answer :
Four firm concentration ratio = Four largest sales by the firms in the industry / Total industry sales
Largest four sales are made by the firms : Firm A , Firm B, Firm C and Firm D
Four firm concentration ratio = $(625 + 500 + 475 + 400)/ $(625 + 500 + 475 + 400 + 350 + 350 + 300 + 150 + 75)
= $2000 / $3225 = 0.62
Answer : 0.62 is the four firm concentration ratio for the rain coat industry
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