Which of the following statements about costs is correct?
a. When marginal cost is less than average total cost, average total cost is rising.
b. The total cost curve is U-shaped.
c. As the quantity of output increases, marginal cost eventually rises.
d. All of the above are correct.
c
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Large or persistent inflation is almost always caused by
a. excessive government spending. b. excessive growth in the quantity of money. c. foreign competition. d. higher-than-normal levels of productivity.
A competitive firm currently produces and sells 500 units of output. Its total revenue is $6,000; the marginal cost of producing the 500th unit of output is $14.50; and the average total cost of producing the 500th unit of output is $9.50 . Is the firm maximizing its profit, or should it increase or decrease output in order to increase its profit?
If a price ceiling is set above the current market clearing price, then
A) a surplus must immediately occur. B) a shortage must immediately occur. C) there will be incentives for black markets to develop. D) quantity demanded will remain equal to quantity supplied at the current market clearing price.
Refer to the information provided in Figure 3.7 below to answer the following question(s).
?Figure 3.7Refer to Figure 3.7. Assume the market is initially at Point B and that pizza is a normal good. An increase in income would cause the market to move from Point B on demand curve D2 to
A. Point C on demand curve D2. B. demand curve D1. C. Point A on demand curve D2. D. demand curve D3.