ECON 040 Lecture Notes - Lecture 11: Marginal Revenue, Perfect Competition, Monopsony

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bronzegrasshopper664

22 Oct 2020

School

College of The Sequoias

Department

Economics (ECON)

Course

ECON 040

Professor

Kasun

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Document Summary

Derived demand- demand for a resource that depends on the demand for the. There is a direct relationship between the demand for the product and the demand for products it helps to produce labor. The tr from a 1 unit increase in l. When a worker is hired, q rises by mpl. When those units are sold, the firm earns mr on each. The tc from a 1 unit increase in l. If we assume that labor is the firm"s only variable cost, then: Firms find the profit-maximizing level of employment(l*) where: Many small employers compete for many workers with identical skills. Firms are price takers- they face a perfectly elastic supply of labor. Find l* for a firm in a perfectly competitive labor market where w= and. A monoponistist faces the entire, upward-sloping market supply curve. Monopolists are price makers, but as l rises, w rises as well. W*= (exploitation of labor: w< mrpl)

Question 1

A firm should hire workers up to the point where

Question 1 options:

	MP = P.
	MFC = P.
	MFC = MRP.
	MP = MRP.

Question 2

If the additional revenue from hiring an additional worker equals the additional costs from hiring the extra worker, then we know that

Question 2 options:

	MFC/MPP_L = wage.
	MFC/MRP_L = 1.
	MFC = MPP_L.
	MRP_L/P = MFC.

Question 3

A firm that maximizes profits also

Question 3 options:

	pays input prices lower than other firms do.
	cuts corners in production processes so that its products are made too cheaply.
	is inefficient.
	uses the least-cost combination of resources.

Question 4

The demand curve for labor slopes down because

Question 4 options:

	firms value less efficient workers less than they value more efficient workers.
	firms must lower prices to sell the additional units of its product that the extra workers produce.
	of profit maximizing behavior.
	of the law of diminishing marginal product.

Question 5

If MFC > MRP_L, the firm should

Question 5 options:

	get rid of some capital.
	reduce the number of workers.
	lower wages.
	hire more workers.

Question 6

Which of the following will not lead to an increase in the demand for labor for a firm producing automobiles?

Question 6 options:

	A decrease in labor productivity.
	A decrease in the price of automobiles.
	A decrease in the price of robots that are used to solder parts of the car together.
	An increase in the demand for automobiles.

Question 7

The marginal revenue product gives

Question 7 options:

	the additions to total cost when an additional unit of a variable input is hired.
	the additional revenue obtained when an additional unit of a variable input is hired.
	the change in total product for an additional unit of a variable input.
	the amount that other inputs must increase by when labor increase by one unit.

Question 8

The monopolist's input demand curve is the

Question 8 options:

	marginal physical product curve.
	marginal revenue product curve.
	marginal revenue curve.
	marginal factor cost.

Question 9

An increase in product price implies that

Question 9 options:

	the firm's demand for labor increases.
	the firm's demand for labor decreases.
	the wage rate the firm pays will increase.
	the firm's marginal factor cost will increase.

Question 10

Which of the following will not lead to a change in the demand for labor?

Question 10 options:

	A change in the supply of labor.
	A change in demand for the final good.
	A change in the price of a substitute input.
	A change in labor productivity.

skyox48

1. In a market economy, the high salaries of some star baseball players such as Adrian Gonzalez, are determined by

		Team owners, based on the total number of star athletes they plan to hire.
	B	advertising companies, based on what they are willing to pay to advertise their products at baseball games.
	C	the interaction of the demand for star athletes and the supply of star athletes.
	D	consumers, based on their willingness to watch baseball games.

2. Demand in factor markets differs from demand in product markets in that

	A	the demand for a factor of production is difficult to determine.
B		the demand for a factor of production is influenced by workers' productivity and by the producers' expected sales revenues, not by tastes and preferences of consumers.
C		demand for a factor of production is based on the tastes and preferences of firms.
D		demand for a factor of production is based on the tastes and preferences of resource owners.

3. The demand for labor is described as a derived demand because

A		it is derived by workers seeking to earn income to fund the consumption of goods and services.
B		it is derived by producers seeking to make profits by starting new businesses.
C		it is derived from the demand for products that use labor in the production process.
D		it is derived from government institutions that rely on labor markets for the purpose of raising tax revenue.

4. Which of the following is not an example of a derived demand?

A		Several of the animated films released between 1999 and 2001 failed to earn a profit, which caused some companies to stop making these films, thereby decreasing the demand for animators.
B		Seth Bullock, a personal injury attorney, complains that he is earning far less now than a few years ago largely because personal injury cases have been undercut by state laws limiting class-action suits and payouts on damages.
C		Millicent Manning, the owner of a furniture store, is concerned that her sales have fallen for the past six months. She attributes this to the downturn in the real estate market.
D		As advancements in medical technology increase the safety and success of laser eye surgery, the demand for opticians has decreased.

5. Marginal revenue product for a perfectly competitive seller is equal to

A		the output price multiplied by the total product of labor.
B		the output price multiplied by the number of workers hired.
C		the change in total revenue that results from hiring another worker.
D		the marginal cost of production.

6. What is the difference between labor's marginal product and marginal revenue product?

A		The marginal product of labor is the increase in output as a result of hiring an additional worker while the marginal revenue product of labor is the increase in profit as a result of hiring an additional worker.
B		The marginal revenue product of labor is the dollar value of hiring an additional worker while the marginal product of labor is the increase in the firm's physical output as a result of hiring an additional worker.
C		The marginal product of labor is the additional labor's contribution to the firm's total output while the marginal revenue product is the additional labor's contribution to the firm's total sales revenue.
D		Labor's marginal product is a measure of labor's productivity while labor's marginal revenue product is a measure of labor's ability to sell the firm's products.

7. What is the difference between a firm's marginal revenue and its marginal revenue product?

A		Marginal revenue is the change in sales revenue from selling one more unit of output while marginal revenue product is the profit earned from hiring one more worker.
B		Marginal revenue is the change in sales revenue from selling one more unit of output while marginal revenue product is the change in total revenue from hiring one more worker.
C		Marginal revenue is the increase in revenue when a firm raises its output price while marginal revenue product is the increase in the marginal product when a firm hires an additional worker.
D		There is no difference between the two terms.

coffeecat509

A small firm faces an inverse demand function of P = 100 - Q. Its total cost function is given by TC = .5Q2. (You should see right away that marginal revenue is thus MR = 100 - 2Q, and it also happens that marginal cost is just MC = Q. Both MR and MC are the first derivatives of total revenue and total cost. And a quick comment on MC: unlike some marginal cost functions we've seen, this one is not constant, because marginal cost is getting $1 higher with each additional unit of output.)

The Chief Executive Officer will manage the firm, choosing output and price. Currently, the CEO is negotiating an incentive-based contract with the shareholders of the company.
(Hint: basing compensation on revenue will motivate revenue maximization rather than profit maximization!)

Hint: since the plan creates incentives for the CEO to maximize revenue rather than profit, you should not set MR = MC at this point. BIG hint: revenue is maximized when selling an additional unit won't increase your revenue, or in math terms, when MR = 0.)

Owners' proposal: CEO keeps 10% of TR.

Firm price:
Firm output:
Total revenue:
Firm profit:
CEO compensation:
Remaining profit for owners:

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ECON 040 Lecture Notes - Lecture 11: Marginal Revenue, Perfect Competition, Monopsony

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