GDP算式中淨出口的意義 - 經濟

By Dora
at 2009-04-04T18:44
at 2009-04-04T18:44
Table of Contents
最近唸到GDP的計算
我的認知是
GDP的本質是 商品及服務的市場價值 總和
而總所得=總支出
=GDP
支出面可以這樣算:
GDP= Consumption+Investment+Government purchases+Net exports
消費 投資 政府支出 都算是支出我可以理解
但是為什麼淨出口竟然也是支出咧!!!!
淨出口=出口-進口
=外國人對本國產品支出-本國人對外國產品支出
出口不就是把商品給人 收錢回來嗎!!!
那應該是收入阿
竟然是支出!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
這個世界怎麼了〒口〒
我的想法是進口已經被放在消費裡面算過了
不能再算一次 所以忽略
出口是收入不是支出 所以也不算
公式應該只有C+I+G阿!!!!!!!!!!!!!!!!!!!!!!!!!!
我真是百思不得其解
有請強者解惑
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