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批踢踢實業坊 Examination 板
 
[考題] 102地特五等經濟學
Dec 31st 2014, 21:15, by J1000

作者J1000 (Wilson)

看板Examination

標題[考題] 102地特五等經濟學

時間Wed Dec 31 21:14:55 2014

9 假設蘋果的價格由每個10元上升為每個20元，而需求量由1,000個減少為500個。 其需求的價格彈性為： (A)0.5 (B)1 (C)2 (D)3 點彈性的算法很多，用原始價格、上升後價格、中點算都不同，一定要用中點算嗎？ △Q/Q 點彈性公式為｜----------｜ △P/P -- ※ 發信站: 批踢踢實業坊(ptt.cc), 來自: 61.223.2.233 ※ 文章網址: http://www.ptt.cc/bbs/Examination/M.1420031701.A.1D1.html

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