A. There is an industry wiith 10 firms. there is one large with 70% market share, three medium sized firms with 8% market share each,and six small firms with 1% market share each. calculate the Herfindahl-Hirscham index (HHI) for this industry.
B. Is this industry either highly concentrated, moderately concentrated, or not concentrated?
C. There is a industry with 10 firms. There is one large firm with 70% market share, three medium sized firms with 8% market share each, and six small firms with 1% market share each. Say the large firm ,merged with one of the small firms, By howmuch this increase the industry's HHI?
D. Should FTC either approve the merger, investigate the merge further, or challenge the merge?