Problem
Listed below are eight firms that are currently operating in the market. The market share of each firm is listed in the table below. Firm Market Share Bird 16 Cat 11 Dog 8 Horse 4 Pig 5 Cow 10 Tiger 15 Shark 23 If Firm Bird and Firm Dog were to merge to become Firm Birddog, what would be the new Herfindahl-Hirschman Index for this market?