27. Which of the following events would shift a labor supply curve?

(i)	immigration of high-skilled workers
(ii)	immigration of low-skilled workers
(iii)	changes in the workers' wage rate

a. (i) and (ii) only

b. (ii) and (iii) only

c. (iii) only

d. (i), (ii), and (iii)

24. Table 32 The following table shows the distribution of income in Widgetapolis.

Quintile	Annual Family Income
Top Quintile (20%)	$110,000 and above
Second Quintile (20%)	$82,000 to $109,999
Third Quintile (20%)	$60,000 to $81,999
FourthQuintile (20%)	$39,000 to $59,999
BottomQuintile (20%)	Under $39,000

Refer to Table 32. If the poverty line were $46,141, what would be the poverty rate?

Group of answer choices

a. less than 20%

b. between 20% and 40%

c. between 40% and 60%

d. between 60% and 80%

Q22.

Table 28 Harold and Maude own a dance studio where they and their employees teach ballroom dancing. Their company is a competitive, profit-maximizing firm. Harold and Maude's total production is detailed in the table below.

Labor (# of workers)	Output (in number of students per day)
0	0
1	90
2	170
3	220
4	250
5	272
6	290

Refer to Table 28. If Harold and Maude offer a special sale for one day where dance lessons are $5 each, and if they pay their workers $104 per day for that day, to maximize its profit, how many workers will they hire for that day?

Group of answer choices

a. 2

b. 3

c. 4

d. 5

e. 6

Q14. At a price for which the quantity of labor supplied is less than the quantity of labor demanded, a __________ is experienced, which pushes the wage rate __________ toward its equilibrium value.

Group of answer choices

a. labor surplus; downward

b. labor surplus; upward

c. labor shortage; downward

d. labor shortage; upward

Q10.

The following table shows the distribution of income in Luckyland.

Table 40

Quintile	Shares of Income by Quintile, 2011	Shares of Income by Quintile, 2001
Bottom Fifth	4.3%	3.8%
Second Fifth	9.8%	9.3%
Middle Fifth	15.5%	15.1%
Fourth Fifth	22.8%	23.0%
Top Fifth	47.6%	48.8%

Refer to Table 40. Comparing data from 2001 and 2011, which of the following statements is correct?

Group of answer choices

a. The bottom 40% of the population had a smaller share of the income in 2011 than it did in 2001.

b. The top 40% of the population had a greater share of the income in 2011 than it did in 2001.

c.The middle 60% of the population had a greater share of the income in 2011 than it did in 2001.

d. All of the above are correct.