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【題組】7. For a particular good, a 12 percent increase in price causes a 3 percent decrease in quantity demanded. Which of the following statements is most likely applicable to this good?
(A) There are many substitutes for this good.
(B) The good is a necessity.
(C) The market for the good is narrowly defined.
(D) The relevant time horizon is long.



Table 2【題組】7. For a particular good, a 1..-阿摩線上測驗