Which industry has the highest four-firm concentration ratio?
A) college bookstores B) retail gasoline stations
C) cigarettes D) discount department stores
C
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Which of the following is true of the short-run aggregate supply curve?
a. It shows the relation between the inflation rate and the quantity of aggregate output firms supply, other things constant. b. It shows the relation between the price of labor and the aggregate quantity of labor workers supply, other things constant. c. It shows the relation between the interest rate and the quantity of capital goods firms supply, other things constant. d. It shows the relation between the price level and the quantity of aggregate output firms supply, other things constant. e. It shows an inverse relationship between the price level and real GDP.
According to the cumulative investment table above:
A. $150 billion worth of investments have expected rates of return exactly equal to 20%
B. $150 billion worth of investments have expected rates of return of 20% or lower
C. $40 billion worth of investments have expected rates of return between 20% and 22%
D. $260 billion worth of investments have expected rates of return higher than 20%