Which of the following must be true if average total cost is rising?
A. Average fixed cost must be rising.
B. Total fixed cost must be rising.
C. Average variable cost must be falling.
D. Marginal cost must be greater than average total cost.
Answer: D
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Suppose that the demand curve for desktop computers shifts rightward and at the same time the supply curve shifts leftward. Which of the following could have caused these shifts?
A) Desktop computers are a normal good and incomes increased, while more firms entered the market. B) The price of a laptop computer, a substitute for desktop computers, fell, and the cost of producing desktop computers decreased. C) Consumers purchased more computers because of the Christmas season, and the labor costs of producing desktop computers decreased. D) Desktop computers are a normal good and incomes increased, while the labor costs of producing personal computers increased. E) Desktop computers are a normal good and incomes decreased, while the labor costs of producing personal computers increased.
See Scenario 4.1. What is Daniel's income-consumption curve?
A) Pc = Pd B) Pc = Qc C) Qd = I - 3Qc D) Qc = Qd E) all of the above
Job market signals like dressing well for interviews are not especially effective because:
A) the cost of dressing well is about the same for high-quality and low-quality workers. B) many businesses have adopted casual office attire, so dressing well is not important to the firm. C) federal labor laws prohibit firms from using dress or appearance as an employment criterion. D) none of the above
Fixed costs are defined as
a. the total costs of a firm's production b. the additional cost of the last unit produced c. costs that increase proportionately as the quantity produced increases d. costs that do not vary as quantity produced increases e. implicit costs only