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勞動經濟學(Borjas: Chs7 , 12) 期末考(90/1/10)
●Open book：任何資料均可參考，就是不能參考其他人的答案。
●題目有三頁，正反兩面。班級:
●請注意時間限制。(2:10pm-4:00pm) 姓名:
老友记第五季●總分: 100分。學號:
●題目卷請連同答案卷一起交回。
I. True (T) or Fal (F): 是非題, 不必說明。(計10題，每題4分。)
aprilfool答案請直接寫在題號前面。答案若是，請寫上T；若非，請寫F。corrected
1.Time rates are ud by firms when it is cheap to monitor the output of workers.
2.Workers allocate more effort to the firm when the prize spread between the
winners and lors in the tournament is very high.
复旦大学附属中学3.If there are unobrved ability differences in the population, earnings
日语 翻译differentials across workers do not estimate the returns to schooling.
4.If both workers face the same wage-schooling locus, the one with higher
discount rate will tend to have more years of education.
5. A dollar received today does not have the same value as a dollar received
tomorrow.
6.Workers sort themlves into tho occupations for which they are best suited.
This lf-lection implies that we cannot test the hypothesis that workers
choo the schooling level that maximizes the prent value of lifetime earnings by comparing the earnings of different workers.
7.If education plays only a signaling role, workers with more schooling earn more
becau education increas productivity.
8.Some firms might want to pay wages above the competitive wage in order to
motive the workforce to be more productive. However, when doing so, the
firm may lo money.
9.The theory of efficiency wage is the solid explanation for inter-industrial wage
differentials.
10. A delayed compensation contract explains the existence of mandatory retirement
in the labor market.
II.計算題(共兩題，計30分，請寫明計算過程，答案請直接寫在試題下面空白處)
1.Suppo that Carl’s wage schooling locus is given by: (Total: 12 points)
(1)Derive the marginal rate of return schedule and fill in the blanks in the
table. (9 points)
For the rates of return of s=10 and s=13, plea show your calculation in
the following: (Y ou don’t have to do this for other years of schooling.)
(2)When will Carl quit school if his discount rate is 8 percent? (3 points)
2.Mr. Chang (張先生) has just graduated from college. He will live for two
more periods, and he is considering two alternative education-work options.
He can start working right away, earning $1000 in period 1, $1100 in period
2. He can also go to graduate school and in period 1, spending $300 in that
period. After he gets his master degree, he will earn $2500 in period 2.
The rate of discount is 10%. (Total: 18 points) 接下頁(1), (2)
(1)To maximize his lifetime earnings, what should Mr. Chang do?
(10 points)
(2) Plea calculate the rate of return for Mr. Chang to go to the graduate
school. Is it financially rational for him to get his master degree?
urgent是什么意思
(8 points)
石家庄o培训III.申論題(Essay Questions)：請由4題中選2題作答。
請註明題號，答案請寫在答案卷上。(每題15分, 多選答不計分。)
1.Discuss how differences in discount rates or in ability across workers lead to
differences in earnings and schooling. Under what conditions can the rate of return to schooling estimated? (15 points)
2.Show how education can signal the worker’s innate ability in the labor
购物车英文market. What is a pooled equilibrium? What is a perfectly parating
signaling equilibrium? (15 points)
3.Discuss how workers who differ in their innate abilities sort themlves
across piece-rate and time-rate jobs. Also describe how two compensation systems elicit different levels of effort from the workers. (15 points)
4.According to the theory of delayed-compensation contract, discuss how
upward-sloping age-earnings profiles can elicit more effort from workers.
Also plea propo an alternative explanation for the existence of高级翻译张璐
upward-sloping age-earnings profile. (15 points)
