※ 引述《newbrand (.....)》之銘言：
: 經原課本第4章的summary的第4點...
: 後面那句
: The frontier is usually bowed outward because resources tend
: to be specialized.
: 不太明瞭其中的意思ㄟ...
: 為啥咪PPF的圖形跟專業化有關係阿??
sorry,i have no idea.
generally, the most important is....
(1) The Law of increasing opportunity cost
(2) What PPF is downward sloping and concave inward means.
(3) ppf indicates scarcity.
(4) the meaning of the dot which is on ppf or inside ppf.
--
※ 發信站: 批踢踢實業坊(ptt.cc)
◆ From: 140.112.246.81
※ 編輯: RileyYang 來自: 140.112.246.81 (10/24 01:33)