Consider a market consisting of seven firms with market shares of 40, 20, 10, 10, 8, 7, and 5 percent, respectively. Which of the following statements is true?
a. The four-firm concentration ratio would be 0.03.
b. The Herfindahl index would be 1,000.
c. The Herfindahl index would be 2,228.
d. The Herfindahl index would be 1,500.
e. The Herfindahl index would be 2,338.
e
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Before their merger, XM and Sirius were competing sellers in the U.S. satellite radio market. The U.S. Department of Justice allowed the merger even though it created a single seller in the market
Why might we expect this merger to have limited impact on U.S. consumers? A) There are many close substitutes for satellite radio service (e.g., free AM-FM radio, internet radio) B) The merged firm is likely to act on behalf of its customers and keep its prices and profits low C) U.S. consumers are known to have perfectly inelastic demand for satellite radio (i.e., they are unresponsive to price changes) D) all of the above are correct
If you write a check on a bank to purchase a used Honda Civic, you are using money primarily as:
A. an economic investment. B. a medium of exchange. C. a unit of account. D. a store of value.
The age-earning cycle shows an individual typically earning
A) a constant income (adjusted for inflation) over the entire working life of the worker. B) an income that cycles upward and downward as an individual ages. C) an income that increases with age, peaks, and then falls as retirement approaches. D) an income that declines until age 30-35 and then increases rapidly.
Suppose that there are only three consumers of a product. At a price of $6 per unit, the first consumer would buy 12 units of the product, the second consumer would buy 8 units, and the third consumer would buy 3 units of the product
If you drew a market demand curve for this product, the quantity demanded at a price of $6 would be A) 23 units. B) 20 units. C) 12 units. D) 11 units.