Suppose that Firm ABC currently has a market share of 8 percent. Firm XYZ has a market share of 12 percent. What will happen to the Herfindahl-Hirschman index if the two firms merge? Show your work
What will be an ideal response?
The index will rise by (202) - (82) - (122) = 400 - 64 - 144 = 192 points.
Economics
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The economy pictured in the figure has a(n) ________ gap with a short-run equilibrium combination of inflation and output indicated by point ________. 
A. recessionary; A B. recessionary; C C. recessionary; B D. expansionary; A
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