The Herfindahl index measures the:
A. Size of the market share of the four largest firms in an industry
B. Sum of the squared values of market shares of firms in an industry
C. Increase in economic concentration resulting from a conglomerate merger
D. Effect of per se violation in antitrust cases
B. Sum of the squared values of market shares of firms in an industry
Economics
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If there is a large and sudden but temporary increase in the price of oil, which way does the short-run Phillips curve shift? If the central bank does not respond what happens to inflation and the unemployment rate in the long run?
Economics
A dominant strategy is one that is best no matter what the other player(s) does (do).
Answer the following statement true (T) or false (F)
Economics