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[經濟討論] 點解要入多 d 雞?

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是咁的,有咁樣既一條MC︰

If you are in the business of selling chicken and the price of chicken and the price of beef both were to drop dramatically, what should you do with your inventory level of chicken?

( ) Keep it the same.
( ) Decrease the inventory.
( ) Increase the inventory.
( ) Get into the beef business.

最後答案係 Increase the inventory。
問題出自 theory of individual behavior,講 utility function 同 budget constraint。
我屈機 (i.e. Google search) 搵到答案,但係諗極都唔明。
求解釋。



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引用:
原帖由 on9tom 於 2017-9-16 03:25 PM 發表

留名睇答案
好耐冇見,你好!






引用:
原帖由 tom.care 於 2017-9-17 11:32 AM 發表


好耐冇見,你好!
屌柒你、更耐唔出post






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引用:
原帖由 on9tom 於 2017-9-17 01:21 PM 發表

屌柒你、更耐唔出post
你 …… 算了,唔同你嘈,等人答點解要入多 d 雞。
幾日了都冇人,唉。







引用:
原帖由 tom.care 於 2017-9-18 02:41 AM 發表


你 …… 算了,唔同你嘈,等人答點解要入多 d 雞。
幾日了都冇人,唉。
大個仔






引用:
原帖由 tom.care 於 2017-9-16 06:22 AM 發表

是咁的,有咁樣既一條MC︰

If you are in the business of selling chicken and the price of chicken and the price of beef both were to drop dramatically, what should you do with your inventory level of ...
Both chicken and beef are normal goods and, to certain extent substitute goods, both demand of chicken and beef will increase when both of the price drop with same level of individual income.  Hence, inventory level need to be increased to meet the expected grow in demand.






引用:
原帖由 wideangle 於 2017-9-19 02:59 AM 發表

Both chicken and beef are normal goods and, to certain extent substitute goods, both demand of chicken and beef will increase when both of the price drop with same level of individual income.  Henc ...
If chicken is the only good available, that make sense, how do we know people wouldn't prefer beef to chicken when they have higher 'real' income?






引用:
原帖由 tom.care 於 2017-9-19 02:26 PM 發表


If chicken is the only good available, that make sense, how do we know people wouldn't prefer beef to chicken when they have higher 'real' income?
As I said, chicken and beef are considered as substitute goods and you are right, customers will shift to beef if beef price drops dramatically but not the price of chicken.  But now, both price of chicken and beef drop dramatically, customer behavior assume to remain the same and customer demand, i.e. unit will increase for both chicken and beef.  Hence, inventory level need to increase, not just for chicken but also beef.
Make sense?



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引用:
原帖由 wideangle 於 2017/9/19 04:38 PM 發表

As I said, chicken and beef are considered as substitute goods and you are right, customers will shift to beef if beef price drops dramatically but not the price of chicken.  But now, both price of chicken and beef drop dramatically, customer behavior assume to remain the same and customer demand, i.e. unit will increase for both chicken and beef.  Hence, inventory level need to increase, not just for chicken but also beef.
Make sense?
假設其他情況不變(包括一般嚟講, 牛係比雞貴, 即同樣牛肉係比雞肉貴), 只係牛同雞H價格依家好戲劇性同時下跌。

短期內需求估計兩者都上升, 始終兩者都平咗好多, 人可以買多咗份量; 但牛H需求會比雞較多, 所以要應付雞H需求就會入多咗貨, 而且以原本所限H資金亦可以買到多咗存貨。

隨著時間過去, 按邊際報酬遞減定律(the law of diminishing marginal returns), 因為人對牛H喜愛逐漸減退而令需求相繼降低, 咁食少咗牛就食番多啲雞嘞, 開始變咗對雞H需求逐漸增加, 咪繼續入多啲貨嚟應付相應H需求, 直至長遠嚟講人對兩者H需求達至均衡(equilibrium), 因為人經已完全適應牛同雞H價格, 唔再敏感(not price-sensitive any more)

我覺得係咁解釋~  

[ 本帖最後由 大姑毒處 於 2017-9-21 05:48 PM 編輯 ]



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引用:
原帖由 大姑毒處 於 2017-9-19 05:53 PM 發表



假設其他情況不變(包括一般嚟講, 牛係比雞貴, 即同樣牛肉係比雞肉貴), 只係牛同雞嘅價格依家好戲劇性同時下跌。

短期內需求估計兩者都上升, 始終兩者都平咗好多, 人可以買多咗份量; 但牛嘅 ...
I cannot 100% agree with what you are saying since both chicken and beef will have similar diminishing effect unless the price drop % is significantly different.  Besides, it also really depends on whether there is a significant change in customer behavior.



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引用:
原帖由 on9tom 於 2017-9-18 09:21 AM 發表

大個仔
唔on9。



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