[考題] 經濟學-地特三等
出處:剛考完的104地特三等經濟學選擇題,考選部已公布答案.
4.假設其他條件不變,在IS-LM模型中,貨幣以外其他資產之流動性降低,將會造成
何種影響?
Ans:LM左移,產出下降
思考:曉得是AD左移產出下降
只是"貨幣以外之資產"受到影響,考場上把他理解為投資受影響=>IS左移
不太懂這個題意敘述,主要是想問什麼?
難道是實質貨幣需求(md)增加?
(ex:股票/房地產流動性降低,民眾傾向換成現金?)
8.假設戰爭使一國之勞動力減少,但並未直接影響資本存量,則立即的影響為何?
Ans:總產出下降,平均每人產出上升
思考:"立即"表示問"短期",而Ns(勞動供給)減少=>AS左移,產出必下降
但y(每人產出)的變化不知道從何著手,是從Solow模型去想嗎?
短期N減少K不變,在Solow模型上的y=f(k)是如何表現呢?
初次問問題,請高手賜教謝謝<(_._)>
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推
12/17 23:43, , 1F
12/17 23:43, 1F
謝謝..但我認為n(人口成長率)的變化=>新交點
應該是長期(Steady State)新的均衡
而考題應該只有問短期,所以N(總人口數)的立即減少
不代表n有變化...(@@是我想太多了嗎?)
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12/18 00:08, , 2F
12/18 00:08, 2F
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12/18 00:08, , 3F
12/18 00:08, 3F
wow...原來如此(考場上真是沒想到)...這樣懂了..感謝提點
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12/18 00:29, , 4F
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12/18 09:01, , 12F
12/18 09:01, 12F
謝謝樓上兩位解說...好像懂了的確不用到Solow
只要知道N下降幅度大於Y下降幅度就夠了
用圖形表達應該就是這樣對嗎
http://imgur.com/fWxm8tl
※ 編輯: lemonstar (112.105.149.11), 12/18/2015 15:22:57
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