If a firm with a 20 percent market share merges with a firm with 5 percent of the market, by how much will the Herfindahl index change? The other firms have 40 percent, 15 percent, 10 percent, and 10 percent shares

a. It rises by 100.
b. It rises by 200.
c. It falls by 100.
d. It falls by 200.
e. It rises by 25.

B

Economics

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As the price of a product rises, the quantity supplied decreases

Indicate whether the statement is true or false

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If the price elasticity of demand for a product equals 1, as its price rises the

A) quantity demanded increases. B) total revenue increases. C) quantity demanded does not change. D) total revenue does not change.

Economics