替代品效用函數問題解析? - 經濟
By Jessica
at 2014-01-23T22:05
at 2014-01-23T22:05
Table of Contents
小明的公司優待員工每月兩場免費電影,小曰這個月剛好看這兩場電影,則下列敘述何者
必然正確?(MRS 代表小明的電影對其它財貨的邊際替代率,P 代表價格,下標 M 代表電
影,下標 O 代表其它財貨)
(A) MRS>PM/PO
(B) MRS<PM/PO
(C) MRS=PM/PO
(D) MRS<或=PM/PO
101年 交通事業高員三級鐵路人員考試經濟學
題目答案:(D)
但我認為答案只有(B),為什麼,
SOL:
依題意公司每月優待員工兩場免費電影,則它效用函數及預算限制式設為:
Max TU =U(M,O)=2+M+O
S.t M= PMM-2+POO
則可知:
若MRSMO=MUM/MUO>PM/PO,則小明全部消費M/PM,其他財貨O為零。
若MRSMO=MUM/MUO<PM/PO,則小明全部消費M/PO,電影M為2。
若MRSMO=MUM/MUO=PM/PO,則小明消費電影及其他財貨各半。
依題己知:小明這月剛好看兩場電影,則符合MRSM0=MUM/MUO<PM/PO情況,答案應為(B)
這是實物補貼例子:http://ppt.cc/Y83R
請問版上的各位兄台們的意見指教,多謝閱覽。
--
必然正確?(MRS 代表小明的電影對其它財貨的邊際替代率,P 代表價格,下標 M 代表電
影,下標 O 代表其它財貨)
(A) MRS>PM/PO
(B) MRS<PM/PO
(C) MRS=PM/PO
(D) MRS<或=PM/PO
101年 交通事業高員三級鐵路人員考試經濟學
題目答案:(D)
但我認為答案只有(B),為什麼,
SOL:
依題意公司每月優待員工兩場免費電影,則它效用函數及預算限制式設為:
Max TU =U(M,O)=2+M+O
S.t M= PMM-2+POO
則可知:
若MRSMO=MUM/MUO>PM/PO,則小明全部消費M/PM,其他財貨O為零。
若MRSMO=MUM/MUO<PM/PO,則小明全部消費M/PO,電影M為2。
若MRSMO=MUM/MUO=PM/PO,則小明消費電影及其他財貨各半。
依題己知:小明這月剛好看兩場電影,則符合MRSM0=MUM/MUO<PM/PO情況,答案應為(B)
這是實物補貼例子:http://ppt.cc/Y83R
請問版上的各位兄台們的意見指教,多謝閱覽。
--
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