The above table shows the market shares for all the landscaping services in a suburban area. A merger between the three largest firms would

A) make the industry more competitive.
B) increase the four-firm concentration ratio and increase the Herfindahl-Hirschman Index (HHI).
C) increase the four-firm concentration ratio and decrease the Herfindahl-Hirschman Index (HHI).
D) decrease the four-firm concentration ratio and decrease the Herfindahl-Hirschman Index (HHI).


B

Economics

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