Deck 5: The Demand for Labor

Question 1

Questions are based on the data in the following table. Assume that the labor market is perfectly competitive.




$\begin{array}{cc}\begin{array}{cc}\text { Labor } & \text { Output } \\\hline0& 0 \\1 & 15 \\2 & 29 \\3 & 42 \\4 & 54 \\5 & 65 \\6 & 75\end{array}\begin{array}{c}\text { Price }\left(D_{1}\right) \\\hline\$ 10.00 \\10.00 \\10.00 \\10.00 \\10.00 \\10.00 \\10.00 \\\end{array}\begin{array}{c}\text { Price }\left(\mathrm{D}_{2}\right) \\\hline \$ 10.00 \\9.50 \\9.00 \\8.50 \\7.50 \\6.50 \\5.50\end{array}\end{array}$

-Suppose the firm's product demand is given by the column labeled D₁.If the wage rate is $100,the firm will achieve maximum profit by hiring _____ workers.

A)3
B)4
C)5
D)6

Answer 1

6

Question 2

A competitive firm will never choose to operate in stage(s):

A)I or II
B)I or III
C)II or III
D)III only

Answer 2

B

Question 3

Value of marginal product (VMP)differs from marginal revenue product (MRP)in that:

A)MRP measures the value society places on the next worker's output while VMP measures the value the firm places on the next worker's output
B)VMP measures the value society places on the next worker's output while MRP measures the value the firm places on the next worker's output
C)MRP always exceeds VMP
D)VMP always exceeds MRP

Answer 3

B

Question 4

Questions are based on the data in the following table. Assume that the labor market is perfectly competitive.




$\begin{array}{cc}\begin{array}{cc}\text { Labor } & \text { Output } \\\hline0& 0 \\1 & 15 \\2 & 29 \\3 & 42 \\4 & 54 \\5 & 65 \\6 & 75\end{array}\begin{array}{c}\text { Price }\left(D_{1}\right) \\\hline\$ 10.00 \\10.00 \\10.00 \\10.00 \\10.00 \\10.00 \\10.00 \\\end{array}\begin{array}{c}\text { Price }\left(\mathrm{D}_{2}\right) \\\hline \$ 10.00 \\9.50 \\9.00 \\8.50 \\7.50 \\6.50 \\5.50\end{array}\end{array}$

-Suppose the firm's product demand is given by the column labeled D₁.The value of the marginal product of the fourth worker is:

A)$10
B)$54
C)$120
D)$540

Question 5

The short run is defined as a period in which:

A)the firm cannot change its output level
B)all inputs are variable but technology is fixed
C)input prices are fixed
D)at least one resource is fixed

Question 6

Questions are based on the data in the following table. Assume that the labor market is perfectly competitive.




$\begin{array}{cc}\begin{array}{cc}\text { Labor } & \text { Output } \\\hline0& 0 \\1 & 15 \\2 & 29 \\3 & 42 \\4 & 54 \\5 & 65 \\6 & 75\end{array}\begin{array}{c}\text { Price }\left(D_{1}\right) \\\hline\$ 10.00 \\10.00 \\10.00 \\10.00 \\10.00 \\10.00 \\10.00 \\\end{array}\begin{array}{c}\text { Price }\left(\mathrm{D}_{2}\right) \\\hline \$ 10.00 \\9.50 \\9.00 \\8.50 \\7.50 \\6.50 \\5.50\end{array}\end{array}$

-Suppose the firm's product demand is given by the column labeled D₁.If the wage rate rises from $100 to $130,the firm will reduce the quantity of labor employed by _____ unit(s)

A)0
B)1
C)2
D)3

Question 7

The slope of line segment OD can be interpreted as the:

A)total product of labor at Y
B)average product of labor at Y
C)value of labor's marginal product at Y
D)greatest possible marginal product of labor

Question 8

The short-run labor demand curve of a competitive firm is:

A)its average revenue product curve
B)its marginal revenue product curve,provided marginal product is below average product
C)its marginal product curve
D)stage II of the total product curve

Question 9

Which of the following equalities holds when the profit-maximizing quantity of labor is employed in the short?run?

A)MRP = MWC
B)MP = wage rate
C)MRP = AP
D)MRP = 0

Question 10

The "law of diminishing marginal returns" begins to take effect at labor input level:

A)0
B)X
C)Y
D)Z

Question 11

At labor input Z,labor's:

A)average product is maximized
B)marginal product is maximized
C)marginal product is zero
D)total product is zero

Question 12

Questions are based on the data in the following table. Assume that the labor market is perfectly competitive.




$\begin{array}{cc}\begin{array}{cc}\text { Labor } & \text { Output } \\\hline0& 0 \\1 & 15 \\2 & 29 \\3 & 42 \\4 & 54 \\5 & 65 \\6 & 75\end{array}\begin{array}{c}\text { Price }\left(D_{1}\right) \\\hline\$ 10.00 \\10.00 \\10.00 \\10.00 \\10.00 \\10.00 \\10.00 \\\end{array}\begin{array}{c}\text { Price }\left(\mathrm{D}_{2}\right) \\\hline \$ 10.00 \\9.50 \\9.00 \\8.50 \\7.50 \\6.50 \\5.50\end{array}\end{array}$

-Suppose the firm's product demand is given by the column labeled D₁.If the wage rate is $120,the firm will achieve maximum profit by hiring _____ workers.

A)3
B)4
C)5
D)6

Question 13

For labor input levels between X and Y:

A)the marginal product of labor is falling,but is greater than the average product of labor
B)both the marginal product and the average product of labor are falling
C)the marginal product of labor is rising and the average product of labor is falling
D)both the marginal product and the average product of labor are rising

Question 14

Which of the following best describes the "law of diminishing marginal returns"?

A)the marginal product of labor is negative
B)output per worker must eventually fall
C)as more labor is added to a fixed stock of capital,total output must eventually fall
D)as more labor is added to a fixed stock of capital,labor's marginal product must eventually fall

Question 15

Questions are based on the data in the following table. Assume that the labor market is perfectly competitive.




$\begin{array}{cc}\begin{array}{cc}\text { Labor } & \text { Output } \\\hline0& 0 \\1 & 15 \\2 & 29 \\3 & 42 \\4 & 54 \\5 & 65 \\6 & 75\end{array}\begin{array}{c}\text { Price }\left(D_{1}\right) \\\hline\$ 10.00 \\10.00 \\10.00 \\10.00 \\10.00 \\10.00 \\10.00 \\\end{array}\begin{array}{c}\text { Price }\left(\mathrm{D}_{2}\right) \\\hline \$ 10.00 \\9.50 \\9.00 \\8.50 \\7.50 \\6.50 \\5.50\end{array}\end{array}$

-Suppose the firm's product demand is given by the column labeled D₂.The extra revenue generated by the fourth worker is:

A)$1
B)$12
C)$48
D)$405

Question 16

The slope of line segment 0D can be interpreted as the:

A)marginal product of labor at Y
B)total product of labor over the range 0Y
C)value of labor's marginal product at Y
D)the greatest possible total product of labor

Question 17

Questions are based on the data in the following table. Assume that the labor market is perfectly competitive.




$\begin{array}{cc}\begin{array}{cc}\text { Labor } & \text { Output } \\\hline0& 0 \\1 & 15 \\2 & 29 \\3 & 42 \\4 & 54 \\5 & 65 \\6 & 75\end{array}\begin{array}{c}\text { Price }\left(D_{1}\right) \\\hline\$ 10.00 \\10.00 \\10.00 \\10.00 \\10.00 \\10.00 \\10.00 \\\end{array}\begin{array}{c}\text { Price }\left(\mathrm{D}_{2}\right) \\\hline \$ 10.00 \\9.50 \\9.00 \\8.50 \\7.50 \\6.50 \\5.50\end{array}\end{array}$

-Suppose the firm's product demand is given by the column labeled D₂.If the wage rate is $100,the firm will achieve maximum profit by hiring _____ workers

A)2
B)3
C)4
D)5

Question 18

The "zone of production" consists of labor inputs over the range of:

A)0X
B)YZ
C)0Y
D)XZ

Question 19

In stage I of the production function,increases in the amount of labor will:

A)increase the average productivity of both capital and labor
B)increase the average productivity of capital but not labor
C)increase the average productivity of labor but not capital
D)decrease the average productivity of both capital and labor

Question 20

Questions are based on the data in the following table. Assume that the labor market is perfectly competitive.




$\begin{array}{cc}\begin{array}{cc}\text { Labor } & \text { Output } \\\hline0& 0 \\1 & 15 \\2 & 29 \\3 & 42 \\4 & 54 \\5 & 65 \\6 & 75\end{array}\begin{array}{c}\text { Price }\left(D_{1}\right) \\\hline\$ 10.00 \\10.00 \\10.00 \\10.00 \\10.00 \\10.00 \\10.00 \\\end{array}\begin{array}{c}\text { Price }\left(\mathrm{D}_{2}\right) \\\hline \$ 10.00 \\9.50 \\9.00 \\8.50 \\7.50 \\6.50 \\5.50\end{array}\end{array}$

-Suppose the firm's product demand is given by the column labeled D₂.If the wage rate rises from $100 to $130,the firm will reduce the quantity of labor employed by _____ unit(s).

A)0
B)1
C)2
D)3

Question 21

The marginal revenue product schedule:

A)measures the increase in total revenue that results from the production of one more unit
B)measures the decline in product price that a firm must accept in order to sell the extra output of one more worker
C)is the same whether the firm is selling in a purely competitive or imperfectly competitive market
D)is the firm's labor demand schedule,provided the firm is operating in the zone of production

Question 22

Which of the following best describes the substitution effect of a wage decrease?

A)The firm's marginal cost decreases,the firm desires to produce less output,and therefore less labor is required
B)The cost of labor is relatively lower,causing the firm to use relatively more labor
C)The firm's labor demand curve less elastic,causing it to employ less labor
D)The firm's labor demand curve becomes more inelastic,causing it to employ less labor

Question 23

"The extra output,measured in dollars,that accrues to society when an additional unit of labor is employed" best describes:

A)marginal product
B)marginal revenue product
C)value of marginal product
D)total revenue product

Question 24

Questions are based on the data in the following table. Assume that the labor market is perfectly competitive.


$\begin{array}{cc}\begin{array}{cc}\underline{\text { Labor }} & \underline{\text { Output }} \\0 & 0 \\1 & 15 \\2 & 29 \\3 & 42 \\4 & 54 \\5 & 65\end{array}\begin{array}{r}\underline{\text { Price }} \\\$ 2.20 \\2.00 \\1.80 \\1.60 \\1.40 \\1.20\end{array}\end{array}$


-If the wage is $11.00,how many workers will this profit-maximizing firm choose to employ?

A)2
B)3
C)4
D)5

Question 25

When deriving the market demand curve for a particular type of labor,one must:

A)hold the market price of the output constant
B)simply sum the labor demand curves of all employers of that type of labor
C)account for the variation in market price as industry output expands
D)hold constant the market price in competitive markets but allow the price to vary in monopoly markets

Question 26

Questions are based on the data in the following table. Assume that the labor market is perfectly competitive.


$\begin{array}{cc}\begin{array}{cc}\underline{\text { Labor }} & \underline{\text { Output }} \\0 & 0 \\1 & 15 \\2 & 29 \\3 & 42 \\4 & 54 \\5 & 65\end{array}\begin{array}{r}\underline{\text { Price }} \\\$ 2.20 \\2.00 \\1.80 \\1.60 \\1.40 \\1.20\end{array}\end{array}$


-Rather than the product demand schedule shown in the table,suppose this firm sold its output competitively for a price of $2.00.In this case,how many workers will this profit-maximizing firm choose to employ at a wage of $25.00?

A)2
B)3.
C)4
D)5

Question 27

In the long run,the substitution effect of a lower wage:

A)increases the quantity of labor demanded,while the output effect reduces it
B)decreases the quantity of labor demanded,while the output effect increases it
C)and the output effect both increase the quantity of labor demanded
D)and the output effect both reduce the quantity of labor demanded

Question 28

All else equal,the imperfectly competitive seller's labor demand curve is:

A)greater than that of a perfectly competitive seller
B)more elastic than that of a perfectly competitive seller
C)less elastic than that of a perfectly competitive seller
D)the same as than that of a perfectly competitive seller

Question 29

"To find the market demand curve for a particular type of labor,simply sum the labor demand curves of all employers of that type of labor." This statement is:

A)true
B)false-sum the value of marginal product curves for the firms to account for changes in wage rates as employment increases
C)false-sum the value of marginal product curves for the firms to account for changes in output price as production increases
D)false-although the price of output for any individual firm may be constant,this may not be the case for all firms taken collectively

Question 30

The long-run response to a drop in the wage exceeds the short-run response for all of the following reasons except:

A)it is more difficult to substitute capital for labor in the long run than the short run
B)an increase in labor makes capital more productive,leading to more capital and therefore higher labor productivity
C)the demand for the firm's output is more elastic in the long run
D)technology may change in the long run

Question 31

Which of the following best describes the substitution effect of a wage increase?

A)The firm's marginal cost increases,the firm desires to produce less output,and therefore less labor is required
B)The cost of labor is relatively higher,causing the firm to use relatively less labor
C)The firm's labor demand curve becomes less elastic,causing it to employ less labor
D)The firm's labor demand curve becomes more elastic,causing it to employ less labor

Question 32

Which of the following best describes the output effect of a wage increase?

A)The firm's marginal cost increases,the firm desires to produce less output,and therefore less labor is required
B)The cost of labor is relatively higher,causing the firm to use relatively less labor
C)The firm's marginal cost falls,the firm desires to produce more output,and therefore more labor is required
D)The firm's labor demand curve becomes more inelastic,causing it to employ less labor

Question 33

The long-run labor demand curve incorporates:

A)the substitution effect only
B)the output effect only
C)neither the substitution effect nor the output effect
D)both the substitution effect and the output effect

Question 34

For a firm selling output in an imperfectly competitive market,its labor demand curve will:

A)reflect the value of marginal product schedule,provided the firm is operating in the zone of production
B)decline solely because of diminishing marginal productivity
C)decline because of diminishing marginal productivity and because product price declines as output increases
D)be perfectly elastic if the firm is hiring labor competitively

Question 35

Compared to the long-run labor demand curve,the firm's short-run curve is typically:

A)less elastic
B)the same
C)more elastic
D)more elastic only if labor and capital are gross complements

Question 36

Questions are based on the data in the following table. Assume that the labor market is perfectly competitive.


$\begin{array}{cc}\begin{array}{cc}\underline{\text { Labor }} & \underline{\text { Output }} \\0 & 0 \\1 & 15 \\2 & 29 \\3 & 42 \\4 & 54 \\5 & 65\end{array}\begin{array}{r}\underline{\text { Price }} \\\$ 2.20 \\2.00 \\1.80 \\1.60 \\1.40 \\1.20\end{array}\end{array}$


-What are the values of marginal product and the marginal revenue product,respectively,for the fourth worker?

A)$67.20; $9.60
B)$12.60; $9.60
C)$16.80; $8.40
D)$67.20; $62.40

Question 37

Compared to an otherwise identical competitive firm,a firm with monopoly power will hire:

A)fewer workers,reflecting its decision to produce less output
B)more workers because the higher price charged by the monopoly raises its MRP
C)fewer workers because workers are less productive in a monopoly setting
D)more workers because monopolies have higher profits and can pay higher wages

Question 38

Which of the following best describes the output effect of a wage decrease?

A)The firm's marginal cost increases,the firm desires to produce less output,and therefore less labor is required
B)The cost of labor is relatively higher causing the firm to use relatively less labor
C)The firm's marginal cost falls,the firm desires to produce more output,and therefore more labor is required
D)The firm's labor demand curve becomes more inelastic,causing it to employ less labor

Question 39

Questions are based on the data in the following table. Assume that the labor market is perfectly competitive.


$\begin{array}{cc}\begin{array}{cc}\underline{\text { Labor }} & \underline{\text { Output }} \\0 & 0 \\1 & 15 \\2 & 29 \\3 & 42 \\4 & 54 \\5 & 65\end{array}\begin{array}{r}\underline{\text { Price }} \\\$ 2.20 \\2.00 \\1.80 \\1.60 \\1.40 \\1.20\end{array}\end{array}$


-If the wage is $20.00,how many workers will this profit-maximizing firm choose to employ?

A)2
B)3.
C)4
D)5

Question 40

Questions are based on the data in the following table. Assume that the labor market is perfectly competitive.




$\begin{array}{cc}\begin{array}{cc}\text { Labor } & \text { Output } \\\hline0& 0 \\1 & 15 \\2 & 29 \\3 & 42 \\4 & 54 \\5 & 65 \\6 & 75\end{array}\begin{array}{c}\text { Price }\left(D_{1}\right) \\\hline\$ 10.00 \\10.00 \\10.00 \\10.00 \\10.00 \\10.00 \\10.00 \\\end{array}\begin{array}{c}\text { Price }\left(\mathrm{D}_{2}\right) \\\hline \$ 10.00 \\9.50 \\9.00 \\8.50 \\7.50 \\6.50 \\5.50\end{array}\end{array}$

-Compared to a firm facing D₁,a firm facing demand schedule D₂ but paying the same wage will hire:

A)the same number of workers,since total product is the same in both instances
B)fewer workers,since product price declines as output increases
C)more workers,since product price declines as output increases
D)more information is required

Question 41

Suppose that,as a result of a decrease in the market supply of labor,the wage rate has risen 10%.After adjusting its employment level,a firm finds its total wage bill has decreased.This occurrence indicates that the firm's labor demand:

A)is inelastic over this range of wages
B)is elastic over this range of wages
C)is unit elastic over this range of wages
D)was inelastic at the old wage,but is elastic at the new,higher wage

Question 42

(World of Work 5-1)Since 1980,the number of jobs in manufacturing has:

A)increased,reversing a downward trend that had started in 1950
B)decreased,reflecting in part the reduced productivity of manufacturing workers
C)decreased,reflecting in part the reduction in the labor force participation rate of older males and the drop in their real wages
D)decreased,reflecting in part the increased reliance of manufacturing on workers from temporary help agencies

Question 43

Suppose that the decline in prices of personal computers has reduced the demand for labor at a particular firm.We may conclude that at this firm:

A)computers and labor are pure complements
B)computers and labor are gross complements but not pure complements
C)computers and labor are gross substitutes
D)computers and labor are perfect substitutes

Question 44

A union leader told its membership that a wage increase,while resulting in some layoffs,would nonetheless increase the total incomes of its membership.The firm replied that a wage increase would reduce the total incomes of its membership.We can conclude that:

A)both the firm and the union believe that labor demand is inelastic,but for different reasons
B)both the firm and the union believe that labor demand is elastic,but for different reasons
C)the union believes that labor demand is elastic while the firm believes it to be inelastic
D)the union believes that labor demand is inelastic while the firm believes it to be elastic

Question 45

In the textile industry,industrial robots and assembly line workers are gross substitutes.Accordingly,the drop in the price of robots has:

A)decreased the demand for robots
B)increased the demand for assembly line workers
C)decreased the demand for assembly line workers
D)increased assembly line workers' wages

Question 46

In comparing two otherwise identical industries X and Y,an economist finds that labor demand is more elastic in industry X.Which of the following would support this finding?

A)Capital and labor are less easily substituted for one another in X than in Y
B)Labor costs as a percentage of total costs are relatively lower in X than in Y
C)Product demand elasticity is higher in X than in Y
D)Substitute resources have a less elastic supply in X than in Y

Question 47

In comparing two otherwise identical industries X and Y,an economist finds that labor demand is less elastic in industry X.Which of the following would support this finding?

A)Capital and labor are less easily substituted for one another in X than in Y
B)Labor costs as a percentage of total costs are relatively higher in X than in Y
C)Product demand elasticity is higher in X than in Y
D)Substitute resources have a more elastic supply in X than in Y

Question 48

Which of the following can be predicted to increase the demand for labor?

A)An increase in the price of a gross substitute for labor
B)An increase in the price of a pure complement to labor
C)A decrease in product demand
D)An increase in the price of another resource,provided the output effect exceeds the substitution effect

Question 49

(World of Work 5?4)In which industries does the Bureau of Labor Statistics project the fastest employment growth over the next ten years?

A)Real estate and finance
B)Fast food preparation and legal services
C)Maintenance and law enforcement
D)Health care and computers

Question 50

The contingent work force:

A)has grown about 4 times as fast as the rest of the work force over the last two decades
B)includes only temporary workers
C)includes only workers who are involuntarily employed part-time
D)has shrunk relative to the "core" labor force

Question 51

Skilled labor will benefit from an increase in the wage rate paid to unskilled labor if:

A)the substitution effect outweighs the output effect
B)the output effect outweighs the substitution effect
C)the output effect and substitution effect work in opposite directions
D)skilled labor and unskilled labor are gross complements

Question 52

If energy and unskilled labor are gross complements,an increase in the price of energy will:

A)increase the supply of unskilled labor,decreasing the unskilled wage
B)increase the demand for unskilled labor,raising the unskilled wage
C)decrease the demand for unskilled labor,decreasing the unskilled wage
D)either increase or decrease the demand for unskilled labor,depending on the relative strengths of the output effect and the substitution effect

Question 53

Assume that skilled labor and energy are substitutes in production.An increase in energy prices is then predicted to:

A)unambiguously increase the demand for skilled labor
B)unambiguously decrease the demand for skilled labor c increase the demand for skilled labor if the output effect outweighs the substitution effect
D)decrease the demand for skilled labor if the output effect outweighs the substitution effect

Question 54

The market wage increases from $9 to $11and the firm responds by reducing its labor force by 16%.The wage elasticity coefficient is:

A)8,indicating elastic demand
B)0.8,indicating inelastic demand
C)1.2,indicating elastic demand
D)1.6,indicating elastic demand

Question 55

Suppose that,as a result of an increase in the market supply of labor,the wage rate has fallen 10%.After adjusting its employment levels,a firm finds its total wage bill has decreased.This occurrence indicates that the firm's labor demand:

A)is inelastic over this range of wages
B)is elastic over this range of wages
C)is unit elastic over this range of wages
D)was inelastic at the old wage,but is elastic at the new,lower wage

Question 56

(appendix)An isoquant shows all combinations of:

A)wage rates and per unit costs of capital that yield the same total profit
B)labor and capital that yield the same total profit
C)labor and capital that yield the same total cost
D)labor and capital that yield the same total output

Question 57

(appendix)At the least-cost combination of capital and labor:

A)the marginal rate of technical substitution of labor for capital equals the ratio of the price of labor to the price of capital
B)the isocost line cuts the isoquant at its lowest point
C)the capital-labor ratio is equal to the ratio of the price of labor to the price of capital
D)the isoquant cuts the isocost line at its lowest point

Question 58

In his comparison of over 100 studies of labor demand,Hamermesh concludes the overall long-run elasticity of labor demand in the United States to be:

A).4
B)1.0
C)-2.0
D)1.4

Question 59

Which of the following can be predicted to increase the demand for labor?

A)An increase in the price of a gross complement to labor
B)A decrease in the price of a gross substitute for labor
C)A decrease in the number of firms
D)An increase in product demand

Question 60

(World of Work 5?2)International trade:

A)increases labor demand in some industries and reduces it in others
B)reduces the overall demand for labor
C)increases the overall demand for labor
D)has no impact on labor demand at all

Question 61

(appendix)If the marginal rate of technical substitution of labor for capital is greater than the price of labor relative to the price of capital,then the firm can produce the same level of output at lower total cost by using:

A)more capital and less labor
B)less capital and more labor
C)more capital and more labor
D)less capital and less labor

Question 62

(appendix)The slope of an isoquant at any point reflects the:

A)elasticity of demand for labor
B)isocost line
C)price of capital relative to labor
D)marginal rate of technical substitution

Question 63

(appendix)If the two isoquants represent profit maximizing levels of output for two different wage rates,the move from point A to point B represents the:

A)output effect of a reduction in the wage
B)output effect of an increase in the wage
C)substitution effect of a reduction in the wage
D)substitution effect of an increase in the wage

Question 64

(appendix)If the two isoquants represent profit maximizing levels of output for two different wage rates,the output effect of a decrease in the wage rate is represented by the move from:

A)A to B
B)B to C
C)A to C
D)C to A