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經濟學市場均衡高普考題目一問

Mar 17th 2015, 14:00

原需求 : p = 125 - 6q ..... (1)
原供給 : p = 5 + 6q　 ..... (2)

兩式聯立 :

2p = 130 , p=65 , q=10

原均衡價格及數量 (p,q) = ( 65 , 10 )

政府對生產者每箱課徵 72　元

供給 : p = 5 + 6q + 72 ..... (3)
需求 : p = 125 - 6q　　..... (1)

兩式聯立 :

2p = 202 , p=101 , q=4

課稅後均衡價格及數量 (p,q) = ( 101 , 4 )

消費者多付的金額 :

課稅後價格 - 原價格 = 101 - 65 = 36 ..... 答案 (B)

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