寡占市場的問題 - 經濟

By Frederic
at 2009-07-26T16:03
at 2009-07-26T16:03
Table of Contents
兩題作業的題目
但有些疑問所以想請教一下板上的各位
1.An industry's numerous price-taking firms collude to form an effective
cartel.Which of the following FALLS as a result of that action?
(1)Consumer Surplus
(2)Producer Surplus
(3)Social Surplus
A. (1) only
B. (3) only
C. (2)and(3) only
D. (1)and(3) only
我想請問這裡指的勾結達到"effective cartel",是指達到獨佔市場的程度嘛?
如果是的話 在獨佔下與完全競爭市場比較: CS↓ PS↑ TS↓
但獨佔下與寡占市場比較 我就不知道怎麼比了
我的想法是因為偏向獨占 所以一樣會造成 CS↓ PS↑ TS↓
這樣是對的嗎?
2.Which of the following would make cheating on a collusive agreement
more likely?
A. Greater ease of observing other firm's prices.
B. A reduction in the number of sellers in the market.
C. A greater resulting impact on the market price.
D. More frequent shifts in market demand.
我確定B不是 因為家數少有利cartel的形成 (越容易受監督?)
但其他三個選項我就不太懂他的意思
希望能請知道的板友幫忙回答一下
感謝!!!
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