mock 题目:The demand for a good is said to be elastic..
35. Demand for a good is most likely to be more elastic when:
A. a lesser proportion of income is spent on the good.
B. the adjustment to a price change takes a longer time.
C. the good is a necessity.
百思不得其解,为何答案是b呢?
难道demand elasticity 和price elasticity不是一个东西? |