-Suppose the industry for washing machines has only four firms. The market shares are: Firm A, 40 percent; Firm B, 20 percent; Firm C 20, percent; and Firm D, 20 percent.
a) What is the Herfindahl-Hirschman Index (HHI)?
b) If Firms C and D were to announce a merger, would the Department of Justice oppose the merger?

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-Suppose the industry for washing machines has only four firms. The market shares are: Firm A, 40 percent; Firm B, 20 percent; Firm C 20, percent; and Firm D, 20 percent.
a) What is the Herfindahl-Hirschman Index (HHI)?
b) If Firms C and D were to announce a merger, would the Department of Justice oppose the merger?

-Suppose the Industry for Washing Machines Has Only Four Firms