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標題: 題目:A firm in pure competition would shut down when [打印本頁]

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作者: btb    時間: 2020-3-31 12:31
標題: 題目:A firm in pure competition would shut down when

題目:A firm in pure competition would shut down when A.price is less than marginal cost. B.price is less than average total cost. C.price is less than average fixed cost. D.price is less than average variable cost.

答案是B
紀廷諭 UID148727
說B是錯誤的答案是D:price is less than average variable cost.
是不是答案有改過
答案應該是B,D皆可,如果他說的是短期就要選D,如果是長期就是要選B,這題目有問題
這題目考試時必須有考題老師說全部題目皆為長期或短期來看才能確保明確答案.
或者題目必須清楚提到Long term OR short term才能明確判斷

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作者: 冰楓    時間: 2020-3-31 15:53
親愛的會員您好：
經確認答案並無錯誤。
請參閱下圖

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作者: btb    時間: 2020-3-31 17:08

冰楓 發表於 2020-3-31 15:53
親愛的會員您好：
經確認答案並無錯誤。
請參閱下圖

所以為短期,如果是照這圖來看的話,我記得我考的時候有被修正題目過(long term or short term)A firm in pure competition would shut down when,請寫出長期跟短期關閉的因素,一般會出在問答題
四選一號是寫
(long term )A firm in pure competition would shut down when(關閉是指破產,退出市場)
答案:price is less than average total cost.
(short term)A firm in pure competition would shut down when(關閉是指歇業或者停業)
答案:price is less than average variable cost.

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作者: 冰楓    時間: 2020-3-31 17:29

btb 發表於 2020-3-31 17:08
所以為短期,如果是照這圖來看的話,我記得我考的時候有被修正題目過(long term or short term)A firm in p ...

親愛的會員您好：
該題目設計為［四選一］單選題，並非是多選題，所以請根據題目，在選項中選取一個［最佳解］。

當 P < AVC 的情況下，不論長短期皆是符合企業shut down條件的。
若要符合 P < ATC就shut down條件，那必須加上非常多假設，絕非僅加上 長期

其他範例請參閱：
https://courses.lumenlearning.co ... the-shutdown-point/

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