一道微观经济学题目 求大神帮忙

2025-02-07 06:56:46
推荐回答(3个)
回答1:

(1)没法简单的从表中找出市场均衡点。画图,供给、需求曲线焦点就是均衡点。
(2)下面的答案挺好的
(3)从图中,把(1)、(2)两题的图画好,看总剩余变化(生产剩余、消费剩余),看时候会出现无谓损失,应该会出现,市场经济中,还是价格机制的配置效率高

回答2:

1. You simply need to find the equilibrium price in this case is the price of $1.5 when the demand and supply is equal from the table - 供需平衡/交汇的价格是1.5.

2. You need to plot out both demand and supply curves in order to judge when the governmet sets the price at 1.25 for demand side, the quantity is 95. 你需要把两条曲线标出来, 尔後,当政府把价格定在1.25元,需求量是95; 1.25x95=118.75 vs 1.5x75 = 112.5, there is some gain here in term of profit, and hence, the supply may shift down at the 1.25 or to keep at quantity of 95 and at 1.75. That's may be a consumer surplus concept ..。

回答3:

(1)均衡价格:1.75$,均衡数量75升,即供应曲线和需求曲线相交的点。当价格高于此值时,供大于求,从而价格下降;反之供不应求,价格会上升,最终达到此均衡点。
(2)价格在1.25,供应量不超过60升,但需求量为95升,明显供不应求。但价格固定,则供求差始终存在,无法通过价格浮动达到供求平衡,一直保持供不应求,就会出现文中排长队的现象。
(3)我认为政府限价措施不好,因为市场经济中,会有市场规律通过供求关系调节价格,即“看不见的手”,实现稳定的均衡价格,达到经济效率的最大化。如果政府限价,往往会破坏供求关系的平衡,如计划经济时代的商品短缺现象,就是由于政府限价较低所造成的。

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