Tina
2017-11-09 14:51邊際遞減部分,對(duì)阿爾法大小的講解與講義內(nèi)容相悖。
所屬:CFA Level II > Economics 視頻位置 相關(guān)試題
來(lái)源: 視頻位置 相關(guān)試題
1個(gè)回答
金程教育陳老師助教
2017-11-09 15:22
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追問
阿爾法的大小與邊際遞減的關(guān)系是怎樣的?阿爾法越大,邊際遞減越大還是越?。?/p>
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追答
%delta y=%delta A+a %delta k,系數(shù)a值越大,則會(huì)減小k的邊際遞減,對(duì)%delta y的影響。以下為課件內(nèi)容:與所講沒有沖突A value of α close to zero means diminishing marginal returns to capital are very significant and the extra output made possible by additional capital declines quickly as capital increases. A value of α close to one means that the next unit of capital increases output almost as much as the previous unit of capital. Diminishing marginal returns still occur but the impact is relatively small.
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追答
%delta y=%delta A+a %delta k,系數(shù)a值越大,則會(huì)減小k的邊際遞減,對(duì)%delta y的影響。課件內(nèi)容與所講沒有沖突
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追問
老師講的是a越大,邊際遞減越快(大),a越小,邊際遞減越慢(?。?。
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追答
以a越大,邊際遞減越慢,a越小,邊際遞減越快,為準(zhǔn)。
