The change in cost resulting from producing one additional unit of output is
a. average total cost
b. total variable cost
c. average variable cost
d. marginal cost
e. total cost
D
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In September 2005, destruction to U.S. gasoline refineries was caused by back-to-back storms along the U.S. Gulf Coast—Hurricane Katrina and Hurricane Rita
In one week, the average price of a gallon of gasoline in the United States increased by about 40 cents. Which of the following best explains why these events pushed up the price of gasoline? A) The demand curve for gasoline shifted to the left along the supply curve for gasoline. B) The supply curve for gasoline shifted to the left along the demand curve for gasoline. C) The demand curve for gasoline shifted to the right along the supply curve for gasoline. D) The supply curve for gasoline shifted to the right along the demand curve for gasoline.
According to the graph shown, at a price of $5, there is a:
A. shortage of 10.
B. shortage of 20.
C. shortage of 30.
D. surplus of 20.
The short-run effect from a decrease in the lump-sum tax rate shifts the AE curve ________ and the AD curve _______.
A) downward; rightward B) downward; leftward C) upward; rightward D) upward; leftward
Suppose that Brazil is capital abundant and Chile is natural resource abundant. If timber is natural resource intensive and computers are capital intensive, then according to the Heckscher-Ohlin Theorem, Chile should export goods that
A) intensively use labor input. B) intensively use capital input. C) intensively use natural resources. D) use capital and labor in about equal proportions.