ECO 202F01 Microeconomics Spessard SU18 Homework Final Exam
     ECO 202-F01 Microeconomics Spessard SU18 Homework: Final Exam Extra Credit Score: 0 of 1 pt Concept: Merger Standards 1 11 of 15 (13 complete) HW Score: 82.67%, 12.4 of 15 Consider a market with four firms. Suppose the first firm has a 44% market share, the second firm, has a 35% market share, the third and the fourth firm has a 1% market share m has a 20% market share Using the Herfindahl-Hirschman Index (HHI), what is this market\'s level of concentration? Enter a numeric response using an infeger) stion  
  
  Solution
Answer:
The formula for Herfindahl–Hirschman Index is as follows -
H = sum of (market share)2 of total firms
So, here H = (44)2 + (35)2 + (20)2 + (1)2 = 1936 + 1225 + 400 + 1 = 3562.
Now from theorem as we know any value of H above 2500 is indicating highly concentrated market, so we can conclude that, there is high concentration in the market as the market\'s level of concentration is 3562.

