用费雪的消费模型分析第二期收入的增加。比较消费者面临约束性预算制约的情况和没有约束性预算制约的情况。
Use Fisher's model of consumption to analyze an increase in second-period income. Compare the case in which the consumer faces a binding borrowing constraint and the case in which he does not.
Use Fisher's model of consumption to analyze an increase in second-period income. Compare the case in which the consumer faces a binding borrowing constraint and the case in which he does not.
A.如果限期消费,未来消费增加的可用资源就会减少
B.第一阶段的消费必须少于或等于第二阶段的消费
C.在第一阶段,储蓄等于第一阶段的收入减去消费
D.进行消费选择时,消费者既考虑现期收入也考虑未来预期收入
a.在消费者第一期消费小于第一期收入的情况下,消费者的预算制约是什么?
b.在消费者第一期消费大于第一期收入的情况下,消费者的预算制约是什么?
c.画出两条预算制约线以及代表消费者可以选择的第一期与第二期消费组合的阴影面积。
d.现在加上你画的消费者无差异曲线。说明三种可能的结果:一种是消费者有储蓄,另一种是消费者有借贷,而第三种是消费者既无储蓄又无借贷。
e.什么决定了这三种情况中每一种情况下的第一期消费。
The chapter analyzes Fisher's model for the case in which the consumer can save or borrow at an interest rate of r and for the case in which the consumer can save at this rate but cannot borrow at all. Consider now the intermediate case in which the consumer can save at rate rsand borrow at rate rb, where rs<rb.
a.What is the consumer's budget constraint in the case in which he consumes less than his income in period 0ne?
b.What is the consumer's budget constraint in the case in which he consumes more than his income in period one?
c.Graph the two budget constraints and shade the area that represents the combination of first-period and second-period consumption the consumer can choose.
d.Now add to your graph the consumer's indifference curves. Show three possible outcomes: one in which the consumer saves, one in which he borrows, and one in which he neither saves nor borrows.
e.What determines first-period consumption in each of the three cases?
A.减少
B.增加
C.保持不变
D.无法确定
在费雪的两期消费模型中,利率上升意味着储蓄的回报率提高,因此储蓄必然增加。
A.正确
B.错误
对于家庭消费支出,以下()描述是正确的。
A.随着收入的增加,用于消费的收入占总收入比例会相应增加
B.除了在很低的消费水平,用于消费的收入占总收入比例会保持不变
C.在所有的消费水平,用于消费的收入占总收入比例会保持不变
D.随着收入的增加,用于消费的收入占总收入比例会相应减少
E.在极低的收入水平下,用于消费的收入占总收入的比例较低
A.22000;
B.44000;
C.42000;
D.40000。
假设经济模型为:C=20+0.75(y-T);I=380;G=400;T=0.20Y;Y=C+I+G (1)计算边际消费倾向; (2)税收的公式表明当收入增加100时,税收增加20,所以可以支配收入增加80,消费增加60(=0.75 x80)。画出作为收入Y的消费函数曲线,标明其斜率及纵横截距; (3)计算均衡的收入水平; (4)在均衡的收入水平下,政府预算盈余为多少? (5)若G从400增加到410,计算政府支出乘数-并解释它不等于
的原因 (MPC为边际消费倾向)。
A.0.75
B.0.85
C.0.99
D.0.97
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