?An aggregate supply curve with a positive slope is associated with an economy in which:
A. ?input prices and final goods prices always change by the same amount.
B. ?firms expect output prices to be unaffected by changes in input prices.
C. ?nominal wages and salaries do not change much in the short run.
D. ? firms expect consumer demand to be unaffected by changes in prices of final goods.
Answer: C
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Total physical product is maximized if marginal physical product is zero
a. True b. False Indicate whether the statement is true or false
Developing countries do:
A. compete with one another for foreign investment, and this competition reduces the benefits from foreign investment. B. not compete with one another for foreign investment, because they have sufficient domestic saving to finance their investment needs. C. not compete with one another for foreign investment, because they lack the infrastructure to attract it in the first place. D. compete with one another for foreign investment, but this competition is beneficial to developing countries because it insures a more efficient allocation of resources.
In the figure at? right, assume this firm is operating on d3. Which is? true?
A. This firm is breaking even
B. This firm is earning an economic profit
C. This firm's total revenue equal HRD0
D. This firm is experiencing an economic loss
The term "statistical significance" is commonly applied to a p-value of
A. ? 1. B. ? 0.5. C. ? 0.05. D. ? 0.10.