作者getgod32 (*新垣魂*)
看板Economics
標題[請益] 消費者物價指數
時間Fri Apr 10 14:43:43 2009
Suppose the price of a quart of milk rises from $1 to $1.25
and the price of a T-shirt rises from $8 to $10.
If the CPI rises from 150 to 175 people will likely buy
答案是: less milk and fewer T-shirts
我是先算牛奶跟t-shirt的CPI 都是125
但是我要怎麼去判斷那兩樣物品該 買多還是 買少... ...
謝謝
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◆ From: 118.160.164.156
1F:→ MRCool:相對價格不變 只有所得效果 118.165.79.64 04/10 18:03
2F:→ getgod32:所以單純只要看CPI的起伏來判斷效果嗎?118.160.164.156 04/10 18:10