微观经济学题目 10
1.SupposethecostfunctionofafirmisanditsmarginalcostfunctionisIfthepricepis$50,howmuch...
1. Suppose the cost function of a firm is
and its marginal cost function is
If the price p is $50, how much will this firm produce? What will its profit be?
某企业的成本函数为
边际成本是
如果价格 , 这企业的产量 是多少? 利润是多少?
2.Suppose income and prices are , and respectively. The consumer’s utility function is
.
Find the utility maximizing and .
假设消费者的收入是 元,商品价格是 元、 元,消费者的效用函数是:
请找消费者效用最大化的 及 。
3. Suppose that a competitive firm’s marginal cost of producing output is given by . The average variable cost of the firm is given by Suppose the firm’s fixed costs are known to be $3. Assume that the market price of the firm’s product is $9:
a. What level of output will the firm produce?
b. What is the firm’s producer surplus?
c. Will the firm earn be earning a positive, negative, or zero profit in the short run?
假设一个完全竞争企业的边际成本函数为 ,企业的平均可变成本函数为 ,其中q是产量。企业的固定成本是$3,产品的市场价格是$9。
a. 企业将会生产多少个产品?
b. 计算企业的生产者剩余。
c. 在短期,企业的利润是正的,是负的,还是零?
4. Suppose the market for red wine can be described by the following equations:
where p is the price per unit, and y is quantity.
a. What is the equilibrium price and quantity?
b. Compute the producer’s and consumer’s surpluses.
c. Suppose the government imposes a tax of $45 per unit to reduce the red wine consumption. What will the new equilibrium quantity be? How large is the size of the deadweight loss?
假设红酒市场供求情况如下:
其中p是价格,y是产量。
a. 请计算均衡价格和产量。
b. 请计算消费者和生产者剩余。
c. 如果政府对每瓶红酒征收45元销售税,征税后的均衡产量是多少?无谓损失有多大?
3、某垄断企业不管产量多少,其边际成本都是10元,市场需求函数为
y=100-p
y是需求量, p是价格。请计算利润最大化的价格、产量、及利润。 展开
and its marginal cost function is
If the price p is $50, how much will this firm produce? What will its profit be?
某企业的成本函数为
边际成本是
如果价格 , 这企业的产量 是多少? 利润是多少?
2.Suppose income and prices are , and respectively. The consumer’s utility function is
.
Find the utility maximizing and .
假设消费者的收入是 元,商品价格是 元、 元,消费者的效用函数是:
请找消费者效用最大化的 及 。
3. Suppose that a competitive firm’s marginal cost of producing output is given by . The average variable cost of the firm is given by Suppose the firm’s fixed costs are known to be $3. Assume that the market price of the firm’s product is $9:
a. What level of output will the firm produce?
b. What is the firm’s producer surplus?
c. Will the firm earn be earning a positive, negative, or zero profit in the short run?
假设一个完全竞争企业的边际成本函数为 ,企业的平均可变成本函数为 ,其中q是产量。企业的固定成本是$3,产品的市场价格是$9。
a. 企业将会生产多少个产品?
b. 计算企业的生产者剩余。
c. 在短期,企业的利润是正的,是负的,还是零?
4. Suppose the market for red wine can be described by the following equations:
where p is the price per unit, and y is quantity.
a. What is the equilibrium price and quantity?
b. Compute the producer’s and consumer’s surpluses.
c. Suppose the government imposes a tax of $45 per unit to reduce the red wine consumption. What will the new equilibrium quantity be? How large is the size of the deadweight loss?
假设红酒市场供求情况如下:
其中p是价格,y是产量。
a. 请计算均衡价格和产量。
b. 请计算消费者和生产者剩余。
c. 如果政府对每瓶红酒征收45元销售税,征税后的均衡产量是多少?无谓损失有多大?
3、某垄断企业不管产量多少,其边际成本都是10元,市场需求函数为
y=100-p
y是需求量, p是价格。请计算利润最大化的价格、产量、及利润。 展开
1个回答
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你的成本和函数方程都没有显示啊?
追问
这个呢?还有那个补充问题。谢谢~~
1、某企业售卖矿泉水给两个消费者,假设其生产成本为零,两个消费者的需求函数分别是
p1=90-10y1
p2=60-5y2
如果企业可以实施价格歧视,利润最大化的 p1、 p2及利润是多少?
2、某企业使用资本K 和劳工L 生产,其生产函数是
y=2.5KL
如果资本和劳工的价格分别是120元和30元,生产1000单位的最低生产成本是多少?
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