Deck 30: The Labor Market

Question 1

The opportunity cost of working is the

A)Wage rate.
B)Earnings that could be made in an alternative job.
C)Amount of leisure time that must be given up in the process.
D)Amount of consumption that is made possible.

Answer 1

C

Question 2

The number of hours that a worker is willing to work is determined by the trade-off between the increasing

A)Total utility of income and the decreasing marginal utility of leisure.
B)Value of leisure time and the decreasing marginal utility of income.
C)Total utility of leisure and the decreasing total utility of income.
D)Marginal utility of both income and leisure.

Answer 2

B

Question 3

The value of an hour of leisure can best be estimated as

A)Zero since no income is earned.
B)The hourly wage that could have been earned.
C)Total recreational expenditures divided by hours of leisure.
D)The value of any productive work,although such a value is lower than what could have been earned.

Answer 3

B

Question 4

The willingness and ability to work specific amounts of time at alternative wage rates is known as

A)Labor supply.
B)Labor demand.
C)Derived supply.
D)Derived demand.

Question 5

As we work fewer hours and our leisure time increases,the opportunity cost of labor

A)Falls and the marginal utility of income falls.
B)Rises and the marginal utility of income falls.
C)Falls and the marginal utility of income rises.
D)Rises and the marginal utility of income rises.

Question 6

The wage rate is

A)Not related to the value of leisure because people need to relax.
B)Not related to labor supply because people must work to survive.
C)The opportunity cost of labor.
D)The payment for labor.

Question 7

The labor supply curve will be negatively sloped if the substitution effect of wages is

A)Weaker than the income effect of wages.
B)Stronger than the income effect of wages.
C)Equal to the income effect of wages.
D)Negative.

Question 8

The labor supply curve starts to bend backward once the

A)Income effect exceeds the substitution effect.
B)Substitution effect exceeds the income effect.
C)Marginal revenue product of labor equals the marginal utility of leisure.
D)Total utility of leisure outweighs the total utility of labor.

Question 9

The substitution effect of wages states that a decreased wage rate

A)Encourages people to consume less leisure.
B)Will shift the labor supply curve rightward.
C)Will lead to a movement up along the existing supply curve.
D)Encourages people to work less hours.

Question 10

Higher wage rates allow a person to reduce the hours worked without losing income.This is known as the

A)Substitution effect.
B)Income effect.
C)Law of diminishing marginal utility.
D)Law of diminishing marginal leisure.

Question 11

The labor supply curve will be positively sloped if the substitution effect of wages is

A)Equal to the income effect of wages.
B)Stronger than the income effect of wages.
C)Weaker than the income effect of wages.
D)Negative.

Question 12

If we move to the right along the upward-sloping labor supply curve,we observe that the cost of labor

A)Increases due to the increasing opportunity cost.
B)Increases due to the decreasing opportunity cost.
C)Decreases due to the increasing opportunity cost.
D)Decreases due to the decreasing opportunity cost.

Question 13

Campbell loves to work.He does not receive any enjoyment from leisure time.The last dollar that he earns each year means just as much to him as the first dollar.Which of the following best describes the shape of Campbell's labor supply curve?

A)Upward-sloping to the right.
B)Vertical.
C)Downward-sloping to the right.
D)Horizontal.

Question 14

Kip will work fewer hours if his salary increases.For Kip,the ________ effect must outweigh the ________ effect.

A)substitution;income
B)income;substitution
C)income;utility
D)utility;substitution

Question 15

Workers typically require higher wages in order to work additional hours because of the

A)Increasing opportunity cost of labor.
B)Increasing marginal utility of income.
C)Decreasing value of leisure time forgone.
D)Constant marginal utility of income.

Question 16

If Lauren's substitution effects outweigh her income effects,her labor supply curve will

A)Appear horizontal.
B)Slope upward.
C)Bend backward.
D)Appear vertical.

Question 17

If wages are relatively high,the individual labor supply curve may

A)Become horizontal.
B)Bend backward.
C)Bend outward.
D)Become vertical.

Question 18

As more hours are worked,the marginal utility of leisure time tends to

A)Increase.
B)Decrease.
C)Stay the same.
D)Decrease initially,but then increase.

Question 19

For an upward-sloping labor supply curve,the quantity of labor supplied varies directly,ceteris paribus,with

A)The wage rate.
B)The value of leisure time.
C)Payroll taxes.
D)The derived demand for labor.

Question 20

As an individual earns additional income,the marginal utility of income tends to

A)Increase.
B)Decrease.
C)Remain constant.
D)Shift toward the origin.

Question 21

The elasticity of labor supply does not depend on

A)The demand for labor.
B)The prices of consumer goods.
C)Income and wealth.
D)Expectations for income or consumption.

Question 22

In Figure 30.1,the movement from point G to point F along the labor supply curve S₁ is a result of

A)The income effect of higher wages.
B)The substitution effect of a higher wage rate.
C)Increased job satisfaction.
D)A lower wage rate.

Question 23

The determinants of the market supply of labor include all of the following except

A)Taxes.
B)The market wage rate.
C)Income and wealth.
D)Prices of consumer goods.

Question 24

If there is an increase in the number of workers who want to work as accountants,there will be a

A)Leftward shift of the labor supply curve.
B)Rightward shift of the labor supply curve.
C)Movement up the labor supply curve to the right.
D)Movement down the labor supply curve to the left.

Question 25

An individual's labor supply curve

A)Slopes upward initially,and then may bend backward.
B)Slopes downward initially,and then may bend upward.
C)Always slopes downward.
D)Always slopes upward.

Question 26

Jackson hates to work.He receives a great deal of enjoyment from leisure time.Jackson's elasticity of labor supply is

A)High.
B)Low,perhaps even negative.
C)1.
D)Highly negative.

Question 27

If the elasticity of labor is 0.60,a 15 percent increase in the wage rate will induce a

A)9.0 percent decrease in the quantity of labor supplied.
B)9.0 percent increase in the quantity of labor supplied.
C)4.0 percent decrease in the quantity of labor supplied.
D)4.0 percent increase in the quantity of labor supplied.

Question 28

The market supply curve for labor curve is upward-sloping because

A)As the wage rises,most workers want to work fewer hours.
B)As the wage falls,most workers want to work more hours.
C)As the wage rises,most workers are willing to work more hours.
D)For most workers,as the wage rises,the preference for leisure time increases.

Question 29

In Figure 30.1,the labor supply could shift from S₁ to S₂ due to all of the following except

A)Fewer workers preferring to work in this labor market.
B)An increase in the number of workers willing to work in this labor market.
C)A decrease in the payroll tax on workers.
D)A decrease in the attraction of leisure activities.

Question 30

In Figure 30.1,the shift in the labor supply curve from S₁ to S₂ means that

A)The marginal utility of labor has decreased.
B)Workers are being paid higher wage rates,given their taste for work.
C)The marginal utility of labor relative to leisure has increased.
D)The demand for labor has increased,and this encourages more labor force participation.

Question 31

The demand for labor and other factors of production typically decline in a recession because those factors

A)Have become relatively scarcer than before the recession.
B)Are no longer offered for sale in factor markets.
C)Are derived from the demand for final output,which also declines in a recession.
D)Have become more expensive than before the recession.

Question 32

The market supply of labor is

A)The sum of all jobs created in the economy each year.
B)Different for each individual based on training and education levels.
C)The total of all goods produced in the economy each year.
D)The total quantity of labor that workers are willing and able to supply at alternative wage rates in a given period.

Question 33

The elasticity of labor supply measures the

A)Opportunity cost of labor.
B)Magnitude of the substitution effect of labor.
C)Responsiveness of the wage rate to changes in the labor supplied.
D)Responsiveness of labor supplied to changes in the wage rate.

Question 34

When a labor supply curve is backward-bending,the elasticity of labor supply in the backward-bending portion is

A)Negative.
B)Positive but less than 1.
C)Greater than 1.
D)Zero.

Question 35

If Janella increases her supply of labor by 6 percent in response to a 5 percent increase in the wage rate,her elasticity of labor supply must be

A)5.0.
B)6.0.
C)1.2.
D)0.83.

Question 36

If the wage rate increases,there will be a

A)Leftward shift of the labor supply curve.
B)Rightward shift of the labor supply curve.
C)Movement up the labor supply curve to the right.
D)Movement down the labor supply curve to the left.

Question 37

If payroll taxes are increased,there will be a

A)Leftward shift of the labor supply curve.
B)Rightward shift of the labor supply curve.
C)Movement up the labor supply curve to the right.
D)Movement down the labor supply curve to the left.

Question 38

Which of the following is not true about the demand for factors of production?

A)It is derived from the demand for the goods and services the firm produces.
B)It is a function of diminishing marginal physical product.
C)It depends on the firm's expected sales and output.
D)It is a function of the elasticity of supply.

Question 39

If leisure activities become more attractive,there will be a

A)Rightward shift of the labor supply curve.
B)Leftward shift of the labor supply curve.
C)Movement up the labor supply curve to the right.
D)Movement down the labor supply curve to the left.

Question 40

If Anh's elasticity of labor supply is 1.5 and she increases her supply of labor by 5 percent,then the wage rate must have

A)Increased by 3.3 percent.
B)Increased by 3.0 percent.
C)Increased by 7.5 percent.
D)Decreased by 7.5 percent.

Question 41

As marginal physical product diminishes,marginal revenue product

A)Also diminishes.
B)Is not affected.
C)Rises at a diminishing rate and eventually falls.
D)Rises.

Question 42

The marginal revenue product of labor is equal to

A)The marginal physical product multiplied by the price.
B)The change in the quantity of labor divided by the change in total revenue.
C)The change in total output divided by the change in the quantity of labor.
D)The percentage change in total revenue divided by the percentage change in the quantity of labor.

Question 43

The change in total revenue associated with one additional unit of input is referred to as

A)Elasticity of labor supply.
B)Cost efficiency.
C)MPP.
D)MRP.

Question 44

The marginal revenue product establishes

A)An upper limit to the wage rate an employer is willing and able to pay.
B)A lower limit to profit on the sale of a unit of output.
C)A lower limit to the productivity of a worker.
D)A lower limit to the wage rate demands of laborers.

Question 45

Marginal physical product diminishes as additional workers are hired because

A)Each worker has an increasingly smaller amount of other factors with which to work.
B)Each worker has an increasingly larger amount of other factors with which to work.
C)Later hires are not as skilled as earlier hires.
D)Later hires do not work as hard as earlier hires.

Question 46

Students who major in computer science are paid a lot more when they graduate than those who major in philosophy because

A)The derived demand for computer science majors is less than the derived demand for philosophy majors.
B)The marginal revenue product for computer science majors is less than the marginal revenue product for philosophy majors.
C)The search for the meaning of life is a growth industry.
D)Information technology is a growth industry.

Question 47

The demand for labor is downward-sloping because of

A)Rising MPP.
B)Falling MC.
C)Diminishing returns to labor.
D)Rising P.

Question 48

The law of diminishing returns states that,ceteris paribus,the

A)MPP of labor declines as additional land,raw materials,and other factors of production are employed.
B)MPP of labor declines as the wage rate falls.
C)MPP of labor declines as product price declines.
D)MPP of labor declines as more of it is employed with a given quantity of other (fixed)inputs.

Question 49

In competitive markets,the marginal revenue product curve and marginal physical product curve have similar shapes because

A)The demand curve for the product slopes downward in accordance with the law of diminishing returns.
B)MRP = P × MPP.
C)The law of diminishing marginal utility and the law of diminishing returns imply a downward-sloping demand curve in the product market.
D)The demand curve for labor is the same for both the individual firm and the market as a whole.

Question 50

A competitive firm should continue to hire workers until the MRP is equal to

A)Demand.
B)The number of workers hired.
C)The market wage rate.
D)Zero.

Question 51

A firm should hire an additional worker as long as the wage rate is

A)Greater than the MRP.
B)Greater than the MPP.
C)Less than or equal to the MRP.
D)Less than the MPP.

Question 52

Because of the law of diminishing returns,as additional workers are hired,total output

A)Rises at a constant rate at all output levels.
B)Rises at a diminishing rate initially and eventually falls.
C)Falls at a diminishing rate at all output levels.
D)Falls at an increasing rate at all output levels.

Question 53

A firm's demand for labor is referred to as a derived demand because

A)It is derived from the MPP of labor.
B)It is derived from the demand for the product that the labor is producing.
C)The quantity of goods and services labor can purchase is derived from the wages labor receives from the firm.
D)It is derived from the supply of labor.

Question 54

If consumers decide to buy fewer strawberries,then the

A)Demand for strawberry pickers will fall.
B)Demand for strawberry pickers will rise.
C)Quantity demanded of strawberry pickers will fall.
D)Quantity demanded of strawberry pickers will rise.

Question 55

If a chair can be sold for $20 and it takes a worker two hours to make a chair,the marginal revenue product of this worker is

A)$5 per hour.
B)$10 per hour.
C)$20 per hour.
D)$2 per hour.

Question 56

Assume the apple market is competitive.If citizens want wages and the number of available jobs for apple pickers to increase,the best strategy would be to

A)Insist that the government establish a minimum wage for apple pickers.
B)Boycott apples until wages increased.
C)Buy more apples.
D)Insist that the sellers raise the price of apples.

Question 57

The marginal physical product of labor is equal to

A)Total output divided by the quantity of labor.
B)The percentage change in total output divided by the percentage change in quantity of labor.
C)The change in total output associated with one additional unit of labor.
D)The change in total revenue associated with one additional unit of input.

Question 58

When the MPP of labor is zero,ceteris paribus,

A)Employment can be increased only by offering a higher wage rate.
B)No further increases in output can be achieved by using additional units of labor.
C)MRP is at a maximum.
D)Additional units of labor must be employed because other factors of production are being wasted.

Question 59

The marginal revenue product of labor curve is the firm's

A)MPP of labor curve divided by the wage rate.
B)Marginal revenue curve.
C)Demand curve for labor.
D)Marginal physical product multiplied by the wage rate.

Question 60

Which of the following would not shift the market demand for labor,ceteris paribus?

A)The wage paid to labor.
B)The demand for final products.
C)The productivity of labor.
D)The number of employers.

Question 61

Table 30.2 $$\begin{array} { | c | c | c | c | c | } \hline \begin{array} { c } \text { Nurrber of } \\\text { stylists (per } \\\text { week) }\end{array} & \begin{array} { c } \text { Total output } \\\text { (per week) }\end{array} & \begin{array} { c } \text { Marginal } \\\text { physical } \\\text { product } \\\text { (output per } \\\text { stylist) }\end{array} & \begin{array} { c } \text { Total revenue } \\\text { (dollars per } \\\text { week) }\end{array} & \begin{array} { c } \text { Marginal revenue } \\\text { product (dollars } \\\text { per stylist) }\end{array} \\\hline 0 & \text { c } & \ldots & & \ldots \\\hline 1 & 6 t & & \\\hline 2 & 80 & & \\\hline 3 & 9 d & & \\\hline 4 & 94 & & \\\hline\end{array}$$ Table 30.2 shows how many hairstyling appointments a hair salon can schedule per week based on the number of stylists.In the spaces provided,compute the marginal physical product (MPP)of the hair stylists,total revenue,and marginal revenue product of the stylists,assuming that a hair stylist charges $60 per appointment.What is the marginal revenue product of the second hairstylist?

A)$80 per week.
B)$1,200 per week.
C)$20 per week.
D)$4,800 per week.

Question 62

If the demand for hair gel increases,the effect on the hair gel manufacturing job market will be to

A)Increase the demand for labor and increase equilibrium wages.
B)Reduce the supply of labor and increase equilibrium wages.
C)Decrease the demand for labor and reduce equilibrium wages.
D)Have no impact on equilibrium wages.

Question 63

Table 30.1 $$\begin{array} { | c | r | c | c | c | } \hline \begin{array} { c } \text { Number of } \\\text { workers (per } \\\text { hour) }\end{array} & \begin{array} { c } \text { Total output } \\\text { (per hour) }\end{array} & \begin{array} { c } \text { Marginal } \\\text { physical } \\\text { product } \\\text { (output per } \\\text { worker) }\end{array} & \begin{array} { c } \text { Total revenue } \\\text { (dollars per } \\\text { hour) }\end{array} & \begin{array} { c } \text { Marginal revenue } \\\text { product (dollars } \\\text { per hour worker) }\end{array} \\\hline 1 & 4 & \ldots & & \ldots \\\hline 2 & 19 & & \\\hline 3 & 15 & & \\\hline 4 & 19 & & \\\hline 5 & 22 & & \\\hline\end{array}$$ Assume that the product price is $4 per unit and that the hourly wage for workers is $12.Neither price nor wage changes with output.In Table 30.1,the marginal physical product of the third worker hired is

A)15 units per hour.
B)4 units per hour.
C)3 units per hour.
D)5 units per hour.

Question 64

If the number of employers for a particular type of labor increases,which of the following shifts should occur in the labor market for the particular type of labor?

A)Demand for labor should shift to the left.
B)Supply of labor should shift to the left.
C)Demand for labor should shift to the right.
D)Supply of labor should shift to the right.

Question 65

Table 30.2 $$\begin{array} { | c | c | c | c | c | } \hline \begin{array} { c } \text { Nurrber of } \\\text { stylists (per } \\\text { week) }\end{array} & \begin{array} { c } \text { Total output } \\\text { (per week) }\end{array} & \begin{array} { c } \text { Marginal } \\\text { physical } \\\text { product } \\\text { (output per } \\\text { stylist) }\end{array} & \begin{array} { c } \text { Total revenue } \\\text { (dollars per } \\\text { week) }\end{array} & \begin{array} { c } \text { Marginal revenue } \\\text { product (dollars } \\\text { per stylist) }\end{array} \\\hline 0 & \text { c } & \ldots & & \ldots \\\hline 1 & 6 t & & \\\hline 2 & 80 & & \\\hline 3 & 9 d & & \\\hline 4 & 94 & & \\\hline\end{array}$$ Table 30.2 shows how many hairstyling appointments a hair salon can schedule per week based on the number of stylists.In the spaces provided,compute the marginal physical product (MPP)of the hair stylists,total revenue,and marginal revenue product of the stylists,assuming that a hair stylist charges $60 per appointment.In Table 30.2,suppose a hairstylist is paid $600 per week.How many hairstylists should a profit-maximizing salon hire?

A)1.
B)2.
C)3.
D)4.

Question 66

If the MPP of an additional unit of labor is 3 units per hour,product price is constant at $8 per unit,and the wage rate is $26 per hour,then

A)The additional unit of labor should be employed.
B)The additional unit of labor should not be employed because it costs more than it is worth.
C)The employer should lower wages and accept less employment of labor.
D)Product price must be reduced if profits are to be made.

Question 67

If the price of the output produced by a particular type of labor decreases,which of the following shifts should occur in the labor market for the particular type of labor?

A)Demand for labor should shift to the left.
B)Supply of labor should shift to the left.
C)Demand for labor should shift to the right.
D)Supply of labor should shift to the right.

Question 68

If the MPP of an additional unit of labor is 4 units per hour,product price is constant at $5 per unit,and the wage rate is $19 per hour,then

A)The additional unit of labor should be employed.
B)The additional unit of labor should not be employed because it costs more than it is worth.
C)The employer should lower wages and accept less employment of labor.
D)Product price must be reduced if profits are to be made.

Question 69

Other things being equal,which of the following would increase the market demand for labor?

A)A fall in the wage rate.
B)An increase in the marginal productivity of labor.
C)A decrease in the cost-effectiveness of labor relative to other inputs.
D)A decrease in the market demand for the firm's output.

Question 70

Table 30.1 $$\begin{array} { | c | r | c | c | c | } \hline \begin{array} { c } \text { Number of } \\\text { workers (per } \\\text { hour) }\end{array} & \begin{array} { c } \text { Total output } \\\text { (per hour) }\end{array} & \begin{array} { c } \text { Marginal } \\\text { physical } \\\text { product } \\\text { (output per } \\\text { worker) }\end{array} & \begin{array} { c } \text { Total revenue } \\\text { (dollars per } \\\text { hour) }\end{array} & \begin{array} { c } \text { Marginal revenue } \\\text { product (dollars } \\\text { per hour worker) }\end{array} \\\hline 1 & 4 & \ldots & & \ldots \\\hline 2 & 19 & & \\\hline 3 & 15 & & \\\hline 4 & 19 & & \\\hline 5 & 22 & & \\\hline\end{array}$$ Assume that the product price is $4 per unit and that the hourly wage for workers is $12.Neither price nor wage changes with output.In Table 30.1,the marginal revenue product of the second worker hired is

A)$4 per hour.
B)$6 per hour.
C)$24 per hour.
D)$40 per hour.

Question 71

Table 30.2 $$\begin{array} { | c | c | c | c | c | } \hline \begin{array} { c } \text { Nurrber of } \\\text { stylists (per } \\\text { week) }\end{array} & \begin{array} { c } \text { Total output } \\\text { (per week) }\end{array} & \begin{array} { c } \text { Marginal } \\\text { physical } \\\text { product } \\\text { (output per } \\\text { stylist) }\end{array} & \begin{array} { c } \text { Total revenue } \\\text { (dollars per } \\\text { week) }\end{array} & \begin{array} { c } \text { Marginal revenue } \\\text { product (dollars } \\\text { per stylist) }\end{array} \\\hline 0 & \text { c } & \ldots & & \ldots \\\hline 1 & 6 t & & \\\hline 2 & 80 & & \\\hline 3 & 9 d & & \\\hline 4 & 94 & & \\\hline\end{array}$$ Table 30.2 shows how many hairstyling appointments a hair salon can schedule per week based on the number of stylists.In the spaces provided,compute the marginal physical product (MPP)of the hair stylists,total revenue,and marginal revenue product of the stylists,assuming that a hair stylist charges $60 per appointment.In Table 30.2 suppose a hairstylist is paid $700 per week.How many hairstylists should a profit-maximizing salon hire?

A)1.
B)2.
C)3.
D)4.

Question 72

Which of the following is true about the equilibrium market wage? A.All workers are satisfied with the wage.

A)All employers are satisfied with the wage.
B)There is no unemployment in the market at the equilibrium wage.
C)Competitive employers have market power with respect to the equilibrium wage.
D)All workers are satisfied with the wage.

Question 73

If the marginal revenue product of labor improves,which of the following shifts in the labor market should occur?

A)Supply of labor should shift to the left.
B)Demand for labor should shift to the left.
C)Supply of labor should shift to the right.
D)Demand for labor should shift to the right.

Question 74

If the demand for alarm clocks decreases,the effect on the alarm clock job market will be to

A)Increase the demand for labor and increase equilibrium wages.
B)Reduce the supply of labor and increase equilibrium wages.
C)Decrease the demand for labor and reduce equilibrium wages.
D)Have no impact on equilibrium wages.

Question 75

If the number of available workers of a particular type increases,which of the following shifts should occur in the labor market for the particular type of labor?

A)Demand for labor should shift to the left.
B)Supply of labor should shift to the left.
C)Demand for labor should shift to the right.
D)Supply of labor should shift to the right.

Question 76

As labor productivity increases,which of the following shifts in the labor market should occur?

A)Supply of labor should shift to the left.
B)Demand for labor should shift to the left.
C)Supply of labor should shift to the right.
D)Demand for labor should shift to the right.

Question 77

Table 30.1 $$\begin{array} { | c | r | c | c | c | } \hline \begin{array} { c } \text { Number of } \\\text { workers (per } \\\text { hour) }\end{array} & \begin{array} { c } \text { Total output } \\\text { (per hour) }\end{array} & \begin{array} { c } \text { Marginal } \\\text { physical } \\\text { product } \\\text { (output per } \\\text { worker) }\end{array} & \begin{array} { c } \text { Total revenue } \\\text { (dollars per } \\\text { hour) }\end{array} & \begin{array} { c } \text { Marginal revenue } \\\text { product (dollars } \\\text { per hour worker) }\end{array} \\\hline 1 & 4 & \ldots & & \ldots \\\hline 2 & 19 & & \\\hline 3 & 15 & & \\\hline 4 & 19 & & \\\hline 5 & 22 & & \\\hline\end{array}$$ Assume that the product price is $4 per unit and that the hourly wage for workers is $12.Neither price nor wage changes with output.In Table 30.1,the contribution to total revenue of the fourth worker hired is

A)$76 per hour.
B)$16 per hour.
C)$4 per hour.
D)$12 per hour.

Question 78

Table 30.2 $$\begin{array} { | c | c | c | c | c | } \hline \begin{array} { c } \text { Nurrber of } \\\text { stylists (per } \\\text { week) }\end{array} & \begin{array} { c } \text { Total output } \\\text { (per week) }\end{array} & \begin{array} { c } \text { Marginal } \\\text { physical } \\\text { product } \\\text { (output per } \\\text { stylist) }\end{array} & \begin{array} { c } \text { Total revenue } \\\text { (dollars per } \\\text { week) }\end{array} & \begin{array} { c } \text { Marginal revenue } \\\text { product (dollars } \\\text { per stylist) }\end{array} \\\hline 0 & \text { c } & \ldots & & \ldots \\\hline 1 & 6 t & & \\\hline 2 & 80 & & \\\hline 3 & 9 d & & \\\hline 4 & 94 & & \\\hline\end{array}$$ Table 30.2 shows how many hairstyling appointments a hair salon can schedule per week based on the number of stylists.In the spaces provided,compute the marginal physical product (MPP)of the hair stylists,total revenue,and marginal revenue product of the stylists,assuming that a hair stylist charges $60 per appointment.In Table 30.2,as more stylists are hired,

A)There are diminishing returns.
B)There are economies of scale.
C)There are diseconomies of scale.
D)MRP increases.

Question 79

Table 30.1 $$\begin{array} { | c | r | c | c | c | } \hline \begin{array} { c } \text { Number of } \\\text { workers (per } \\\text { hour) }\end{array} & \begin{array} { c } \text { Total output } \\\text { (per hour) }\end{array} & \begin{array} { c } \text { Marginal } \\\text { physical } \\\text { product } \\\text { (output per } \\\text { worker) }\end{array} & \begin{array} { c } \text { Total revenue } \\\text { (dollars per } \\\text { hour) }\end{array} & \begin{array} { c } \text { Marginal revenue } \\\text { product (dollars } \\\text { per hour worker) }\end{array} \\\hline 1 & 4 & \ldots & & \ldots \\\hline 2 & 19 & & \\\hline 3 & 15 & & \\\hline 4 & 19 & & \\\hline 5 & 22 & & \\\hline\end{array}$$ Assume that the product price is $4 per unit and that the hourly wage for workers is $12.Neither price nor wage changes with output.In Table 30.1,how many workers should be hired?

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

Question 80

Table 30.2 $$\begin{array} { | c | c | c | c | c | } \hline \begin{array} { c } \text { Nurrber of } \\\text { stylists (per } \\\text { week) }\end{array} & \begin{array} { c } \text { Total output } \\\text { (per week) }\end{array} & \begin{array} { c } \text { Marginal } \\\text { physical } \\\text { product } \\\text { (output per } \\\text { stylist) }\end{array} & \begin{array} { c } \text { Total revenue } \\\text { (dollars per } \\\text { week) }\end{array} & \begin{array} { c } \text { Marginal revenue } \\\text { product (dollars } \\\text { per stylist) }\end{array} \\\hline 0 & \text { c } & \ldots & & \ldots \\\hline 1 & 6 t & & \\\hline 2 & 80 & & \\\hline 3 & 9 d & & \\\hline 4 & 94 & & \\\hline\end{array}$$ Table 30.2 shows how many hairstyling appointments a hair salon can schedule per week based on the number of stylists.In the spaces provided,compute the marginal physical product (MPP)of the hair stylists,total revenue,and marginal revenue product of the stylists,assuming that a hair stylist charges $60 per appointment.What is the marginal physical product of the fourth hairstylist?

A)5,400.
B)90.
C)22.5.
D)0.