答案如下
A shift out of a resource‘s demand curve would most likely be caused by:
A) a decrease in its productivity.
B) an increase in its productivity.
C) an increase in its supply.
D) a decrease in its supply.
Your answer: B was correct!
There is a direct, positive relationship between changes in the demand of a resource and its productivity. When productivity increases/decreases, the demand curve shifts out/in. Quantity supplied will increase when the demand changes, but the supply will not.
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发表于 2006-4-3 12:22
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