經濟學總體經濟問題 - 考試
By Andrew
at 2015-01-30T22:14
at 2015-01-30T22:14
Table of Contents
有一題想很久解不出所以,可以大大幫我解答嗎
假設經濟體系原本處於長期均衡狀態,如果原油價格高漲,在總需求不變下,
長短期效果為何?
(A)短期物價上升,長期產出下降 (B)短期物價上升,短期產出下降
(C)短期產出下降,長期產出下降 (C)長期物價上升,長期產出下降
(97地方政府三等)
答案為B
想法:原油價格高漲應該是供給面的影響,會改變勞動產出函數,
實質產出降低,會同時改變長期和短期總和供給線,向左移,
因總需求線不變,新均衡的價格會上升,所以長期和短期的改變方向會一樣
我覺得每個選項都對-.- 請問是錯在哪裡阿,為何只有B??
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