预算线(Budget line) 名词解释

高了7倍，收入增加了3倍。根据原先的价格和收入写出新预算线的方程。

Originally the consumer faces the budget line p₁x₁+p₂x₂=m.Then the price of good 1 doubles， the price of good 2 becomes 8 times larger， and income becomes 4 times larger.Write down an-equation for the new budget line in terms of the original prices and income.

从量税，以及对商品2进行从量补贴s，新预算线的公式是什么？

Suppose that a budget equation is given by p₁x₁+p₂x₂=m.The government decides to impose a lump-sum tax of u， a quantity tax on good loft， and a quantity subsidy on good 2 of s.What is the formula for the new budget line？

涨价10%，旧课本涨价5%的时候，安东尼奥的父亲多给了他40美元。

(1)安东尼奥的预算约束线将如何变动？以纵轴表示新书进行说明。

(2)在价格变动之后，安东尼奥的境况是变好了还是变坏了？

Antonio buys five new college textbooks during his first year at school at a cost of $ 80 each,

Used books cost only $ 50 each. When the bookstore announces that there will be a 10 percent increase in the price of new books and a 5 percent increase in the price of used books, Antonio's father offers him $ 40 extra.

a What happens to Antonio' s budget line？ Illustrate the change with new books on the vertical axis.

b. Is Antonio worse or better off after the price change？ Explain.

A．lower budget line

B．higher budget line

C．lower indifference curve

D．higher indifference curv

E．

Sue consumes at a point on her budget line where her marginal rate of substitution exceeds the magnitude of the slope of her budget line. As Sue moves toward her best affordable choice, she will move

A．lower budget line

B．higher budget line

C．lower indifference curve

D．higher indifference curve

A．any movement upward or downward on the budget line will move the consumer to a less preferred point．

B．any movement to the northeast to higher indifference curves moves the consumer to a less preferred point．

C．the slope of the budget line is as much larger as possible than the marginal rate of substitution．

D．All of the above statements are correct．

．试画出该家庭的预算约束线。 b．该家庭的持久收入是多少？ c．如果该家庭的偏好是想在两个时期内消费完全相等的数量，则它在每一个时期消费的价值应是多少？ d．如果该家庭只能借出而不能借入，那么它的预算约束将发生什么变化？如果它的偏好保持不变。它的境况会变得更好一些还是更差一些？ a．Draw the budget constraint for a household that lives for two periods and earns$1 00 in the first period and$200 in the second period．The interest rate is 10 percent． b．What is this household’S permanent income？ c．If the household’S preferences are such that it wants to consume exactly the same amount in both periods，what would be the value of its consumption in each period？ d．How would the budget constraint change with respect to(a)if the household could lend butcould not borrow？If its preferences stay the same．will the household be better off or worse off？