AP Microeconomics : Marginal Revenue Product of Labor MRP

Study concepts, example questions & explanations for AP Microeconomics

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Example Questions

Example Question #125 : Ap Microeconomics

The following question will refer to this table:

Screen_shot_2014-03-02_at_6.59.59_pm

If the wage paid to labor is $8 and the price of each unit of output is $2, how many units of labor will be hired?

Possible Answers:

one

three

four

five

two

Correct answer:

four

Explanation:

A firm will hire labor until the marginal revenue product of labor is lower than the cost of labor/wage, which is $8. The marginal revenue product of labor is the marginal product of labor multiplied by the product's price. The marginal revenue of the fourth unit of labor is $10 (five units multiplied by $2) and the marginal revenue of the fifth unit of labor is $6 (three units multiplied by $2). Thus, the firm will hire four units of labor.

Example Question #126 : Ap Microeconomics

A firm is hiring labor in a perfectly competitive labor market. If the marginal revenue product of labor is greater than the wage rate, which of the following is true?

Possible Answers:

The firm is losing money.

The firm is maximizing its profit.

None of the other answers.

The firm should hire more labor.

The firm should invest in more capital.

Correct answer:

The firm should hire more labor.

Explanation:

A profit maximizing firm will hire labor until the marginal product of labor is greater than the wage rate. If the marginal product of labor is greater than the wage rate, then the firm should hire more labor until the two values are equal.

Example Question #127 : Ap Microeconomics

In a perfectly competitive labor market, an employer will continue hiring until ___________ .

Possible Answers:

wage equals marginal revenue.

wage equals marginal cost of labor.

wage equals the price of the good or service produced.

wage equals marginal product of labor.

wage equals marginal revenue product of labor.

Correct answer:

wage equals marginal revenue product of labor.

Explanation:

Like any market, the profit maximization level is the point at which marginal cost equals marginal revenue. In this case, the marginal cost of labor is the labor wage. Thus, the profit maximization point for the employer is the point at which wage equals the marginal revenue product of labor.

Example Question #128 : Ap Microeconomics

Refer to the following chart for this question:

 Screen_shot_2014-07-31_at_4.20.08_pm

If each product is sold for $2, what is the marginal revenue product of labor for the fourth unit of labor?

Possible Answers:

$4

$8

$6

$10

$12

Correct answer:

$8

Explanation:

The marginal revenue product of labor for the fourth unit of labor is its marginal product multiplied by the cost of the product. The marginal product of the fourth unit of labor is 4 (the difference between total production at four units of labor and three units of labor), and cost of the product is $2, so the marginal revenue product of labor for the fourth unit is $8.

Example Question #1 : Marginal Revenue Product Of Labor Mrp

Refer to the following chart for this question:

Screen_shot_2014-07-31_at_4.20.08_pm

If each product is sold for $2, and each unit of labor costs $10, how many units of labor will the firm hire?

Possible Answers:

three

one

four

five

two

Correct answer:

three

Explanation:

The firm will hire three units of labor, because it will continue to hire until the wage exceeds the marginal revenue product of labor (MRPL). The MRPL after the third unit of labor is less than $10, which means that the firm will not hire more than three units of labor. 

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