Q: Which equation correctly represents the Marginal Revenue Product of Labor (MRPL) in a competitive market?

$$\text{MRPL} = \text{Marginal Product of Labor} \times \text{Price of the good}$$

Q: If the wage rate is $$30 per hour and the value of the marginal product of the fourth worker is 40 $$per hour, should the firm hire the fourth worker?

Yes, because $$\text{MRPL} \u003e \text{Wage Rate}$$

Question 1

In a competitive labor market, what determines the wage rate?

Accepted Answer

The wage rate is determined by the supply and demand for labor services.

Question 2

A firm should continue hiring workers as long as which condition is met?

Accepted Answer

Marginal Revenue Product of Labor (MRPL) is greater than the wage rate.

Question 3

Given the following data for a firm: Output price is $10, and the marginal product of labor for the third worker is 4 units. What is the Marginal Revenue Product of Labor (MRPL) for the third worker?

Accepted Answer

$40

Question 4

If the wage rate increases from $$10 to 25 $$per hour, Jill increases her labor supply from 30 to 40 hours per week. Which effect dominates Jill’s decision?

Accepted Answer

Substitution effect

Question 5

Refer to the labor supply curve for Jill. At a wage rate of $5 per hour, Jill supplies no labor. What is Jill’s reservation wage?

Accepted Answer

$5 per hour

Question 6

Which equation correctly represents the Marginal Revenue Product of Labor (MRPL) in a competitive market?

Accepted Answer

$$	ext{MRPL} = 	ext{Marginal Product of Labor} 	imes 	ext{Price of the good}$$

Question 7

If a bakery installs an automated bread-making machine, what is likely to happen to the demand for bakery workers?

Accepted Answer

The demand for bakery workers will decrease.

Question 8

What happens to the demand for labor if the price of a firm’s output increases?

Accepted Answer

The demand for labor increases.

Question 9

Which of the following best explains persistent wage differentials between occupations such as surgeons and fast-food workers?

Accepted Answer

There are systematic differences in the cost of acquiring human capital.

Question 10

If the wage rate is $$30 per hour and the value of the marginal product of the fourth worker is 40 $$per hour, should the firm hire the fourth worker?

Accepted Answer

Yes, because $$	ext{MRPL} \u003e 	ext{Wage Rate}$$

Question 11

Which curve represents the market demand for labor?

Accepted Answer

The sum of all firms’ demand curves for labor at each wage rate.

Question 12

What is the opportunity cost of leisure for a worker?

Accepted Answer

The wage rate

Question 13

If the income effect dominates the substitution effect at high wage rates, what happens to the labor supply curve?

Accepted Answer

It bends backward.

Question 14

A market supply curve for labor is constructed by:

Accepted Answer

Horizontally summing individual supply curves.

Question 15

If Teddy receives an 8% wage increase and decides to work fewer hours, which effect is stronger for Teddy?

Accepted Answer

The income effect

Question 16

Suppose the equilibrium wage rate in a bakery labor market is $$10 per hour and the equilibrium quantity of workers is 300. What happens if the wage rate is set above 10 $$per hour?

Accepted Answer

There will be a surplus of workers.

Question 17

Which of the following is true about the supply of labor in a particular job market?

Accepted Answer

The supply curve slopes upward, but may eventually bend backward at high wage rates.

Question 18

If the price of a firm’s output decreases, what happens to the value of the marginal product of labor?

Accepted Answer

It decreases.

Question 19

Which of the following occupations is most likely to have a high reservation wage due to the cost of acquiring human capital?

Accepted Answer

Orthopaedic surgeon

Question 20

If a firm’s marginal product of labor decreases due to new technology, what is the likely effect on the firm’s demand for labor?

Accepted Answer

The demand for labor decreases.

Markets for Factors of Production: The Labor Market

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