經濟-消費選擇、跨期消費行為 - 考試

By Brianna
at 2017-04-23T20:04
at 2017-04-23T20:04
Table of Contents
1.一個公平賭局的期望價值將是何種數值? (A)<0 (B)=0 (C)>0 (D)利得與損失的平均值
(100台鐵高員三級)
答:B
_
Q:我從蔡經緯的書上看公平賽局是EW=W 也就是財富期望值等於確定狀況下的財富,
自已是選D但我知道也不對,但為何是期望值等於0呢?
2.假如某人原本是放款者(lender),當市場利率下跌時轉變成借款者(borrower),則他的福利水準會如何改變?
(A) 確定下降
(B) 確定上升
(C) 維持不變
(D) 無法確定 (經濟學- 97 年)
答:D
一開始直接我就選A確定下降,但後來翻看筆記才發現是有可能上升,但…筆記沒有圖,
我想像力很差想不出應該是要在右下方的效用如何會在利率下降後還上升,我自已畫大概
是這樣
http://imgur.com/lZMyZBD
感覺也不全然正確
跪求放款者在利率下降後變成借款者還效用上升的圖
不用太精美看得懂為主
我GOOGLE看了陳碩老師的圖~~我有點眼殘看不是很懂
以上兩題
謝謝國考版熱情的強者
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