In the late 1970s, ________ of all firms were less than a year old. In recent years, ________ were
A) about 40 percent; about 20 percent B) almost half; less than one-quarter
C) less than 5 percent; more than 40 percent D) more than 15 percent; only about 8 percent
D
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Which of the following might increase the MB of eliminating lead pollution in water?
A. Companies are producing less and therefore polluting less in the water. B. Fewer people suffer from the effects of lead pollution. C. A new study found out that lead is even more dangerous than previously thought. D. Companies have found a cheaper way to decrease lead pollution.
The aggregate supply curve is defined as:
a. net national product. b. the sum of wages, rent, interest, and profits. c. the real GDP produced at different price levels. d. the total dollar value of household expenditures.
Which of the following is a potential barrier to entry?
a. a low market price b. a high market price c. a standardized product d. economies of scale e. diminishing marginal productivity
The marginal revenue curve is ________ the demand curve, and that total revenue reaches a ________ where marginal revenue is zero
a. below; minimum b. below; maximum c. above; minimum d. above maximum