Which of the following is an assumption used when drawing a production possibilities frontier?
i. Human wants and desires are limited to what is available.
ii. Only two goods are considered.
iii. The level of technology is fixed and unchanging.
A) ii only B) i and iii C) i only D) i, ii, and iii E) ii and iii
E
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A positive markup is earned by a firm if its
A) price exceeds its marginal cost. B) marginal revenue equals marginal cost. C) price equals marginal cost. D) price equals average total cost.
Many people sell goods through eBay at prices that are higher than the prices they paid for these goods. Economists consider these transactions as
A) examples of exploitation of buyers of the goods by the sellers. B) examples of arbitrage. C) unproductive since the goods sold have been produced in the past. D) examples of zero-sum games, since the value of the goods sold is exactly equal to the prices paid for them.
The p-value for a one-sided left-tail test is given by
A) Pr(Z - tact ) = ?(tact). B) Pr(Z < tact ) = ?(tact). C) Pr(Z < tact ) < 1.645. D) cannot be calculated, since probabilities must always be positive.
Fun Time Toys produced $60 million worth of toys in 2008 . Because of a slow Christmas shopping season, only $50 million worth was sold to consumers, and the remaining $10 million worth went into inventories. Based on this information, how was GDP affected in 2008?
a. $60 million was added to GDP; $50 million was classified as consumption spending and $10 million was classified as private investment b. $60 million was added to GDP, all classified as consumption spending c. $50 million was added to GDP, all classified as consumption spending d. $40 million was added to GDP; $50 million was classified as consumption and -$10 million was classified as private investment e. $40 million was added to GDP, all classified as consumption