沒人討論今天的高考經濟學嗎? - 高考
By Caroline
at 2015-07-14T21:59
at 2015-07-14T21:59
Table of Contents
※ 引述《qaz5746986 (雲之痕)》之銘言:
: 小魯我大概程度太差...
: 總覺得選擇不太好寫....
: 兩題計算也不知道觀念正不正確
: 唉唉~> <
: 有高手要分享一下的嗎??
直接回文比較快XD
我個人覺得這次題目出得不算簡單
算有鑑別度
或許是我太魯也不一定XD
申論題第一題的第二小題用差別取價去做
利潤=Pf*Qf+Pd*Qd-(Qf+Qd)^2
再分別對Qf和Qd做偏微
應該就可求出解
第二題的第一小題我用P=Pe算
結果當然Y=750 P=40 u=0.05
第二小題我想很久
結果想到AD會變成Y=600+8000/P
然後因為無預警增加貨幣供給 民眾無法反應
Pe還是會在原來的40
AS就變成Y=750+P-40
然後把AD跟AS聯立
之後解一元二次方程式
會算出P=50 Y=760 u=0.023
類似這樣的答案...吧XD
第三小題就因為會回到長期均衡 Y=750
再把750帶進新的AD:Y=600+8000/P
就會得到一個很噁心的P=53.33
大概是這樣
選擇題太恐怖了就讓它隨風去吧XD
--
: 小魯我大概程度太差...
: 總覺得選擇不太好寫....
: 兩題計算也不知道觀念正不正確
: 唉唉~> <
: 有高手要分享一下的嗎??
直接回文比較快XD
我個人覺得這次題目出得不算簡單
算有鑑別度
或許是我太魯也不一定XD
申論題第一題的第二小題用差別取價去做
利潤=Pf*Qf+Pd*Qd-(Qf+Qd)^2
再分別對Qf和Qd做偏微
應該就可求出解
第二題的第一小題我用P=Pe算
結果當然Y=750 P=40 u=0.05
第二小題我想很久
結果想到AD會變成Y=600+8000/P
然後因為無預警增加貨幣供給 民眾無法反應
Pe還是會在原來的40
AS就變成Y=750+P-40
然後把AD跟AS聯立
之後解一元二次方程式
會算出P=50 Y=760 u=0.023
類似這樣的答案...吧XD
第三小題就因為會回到長期均衡 Y=750
再把750帶進新的AD:Y=600+8000/P
就會得到一個很噁心的P=53.33
大概是這樣
選擇題太恐怖了就讓它隨風去吧XD
--
Tags:
高考
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