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ECO 201 Lecture Notes - Lecture 14: Marginal Revenue, Natural Monopoly, Marginal Cost

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pearelk110
30 Dec 2017
School
Miami University
Department
Economics
Course
ECO 201
Professor
Even William

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Document Summary

The more you produce the less it costs to produce. Single price monopolies charge everyone the same price at all times. Price discriminating monopolies sell different units at different prices for different people. Demand curve for monopolies output is the market demand curve. Marginal revenue = increases in total revenue from selling one more unit. Demand is inelastic when marginal revenue is negative and elastic when marginal revenue is positive. Marginal revenue falls at twice the rate as price. If demand is inelastic, a fall in price brings a decrease in total revenue and marginal revenue is negative. Firm produces the output at which marginal revenue = marginal cost and sets the price to sell that quantity. +never produce an output at which demand is inelastic. +change in profit = marginal revenue minus marginal cost. Competitive firms would be better off if they colluded to produce less and charge more. Single price monopoly: higher price and smaller output.

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Related Questions

 

Answer the following questions pertaining to monopolist production. 

 

1) If a monopolist is producing in the inelastic portion of its demand curve, which of the following will occur if the monopolist decreases its price?

a. Marginal revenue will decrease, but profits will increase.

b. Marginal revenue will increase, but profits will decrease.

c.Total revenue will decrease, but profits will increase.

d.Both total revenue and profits will decrease.

e. Both total revenue and profits will increase.

 

2) Which of the following statements is true for a perfectly competitive firm but not true for a monopoly?

a.The firm's price is equal to its average revenue.

b.The firm cannot affect the market price for its good.

c.It is difficult for other firms to enter the industry.

d. The demand for the firm's product is unit elastic.

e.The firm must lower its price in order to sell more of its product.

 

3) Monopolies are inefficient for which of the following reasons?

a. They produce too little of the good.

b.They produce too much of the good.

c. They do not produce an output level at which marginal cost equals marginal revenue.

d. The marginal cost of producing the good is too low.

e. The firm is too large.

 

4) Which of the following is necessarily true of the profit-maximizing equilibrium of a monopolist who sets a single price?

a. Price equals average total cost.

b. Price is greater than the marginal cost.

c. Average total cost is at its minimum level.

d. Marginal revenue is greater than marginal cost.

e. Marginal cost is minimized.

1. To maximize profits, a firm should produce output up to the point where

A. marginal revenue equals marginal cost

B. price equals marginal cost

C. the gap between the demand curve and the ATC is the greatest

D. all of the above

E. answers a and b, but not c

2. Which statement is false?

A. a profit maximizing firm will increase production when price exceeds marginal cost

B. the lowest point on a firm's short-run supply curve is at the shut-down point

C. A firm will operate at that ouput where MC equals MR only when it is maximizing profits

D. A profit-maximizing firm will decrease production when marginal cost exceeds price.

3. which statement is true?

A. all monopolies are good

B. All monopolies are bad

C. Most natural monopolies are government regulated or government owned

D. None of these statements is true

4. There are _____ limits to monopoly power

A. no

B. some

C. many

5. Which statement is true?

A. the monopolist's most efficient output is her most profitable output as well

B. the monopolist charges a higher price than the perfect competitor in the long run.

C. all monopolists have control over an essential resource.

D. none is true

6. As a firm grows larger

A. economies of scale set in, then diseconomies of scale.

B. diseconomies of scale set in, then economies of scale.

C. economies of scale and diseconomies of scale set in at the same time.

D. neither economies of scale nor diseconomies of scale set in.

7. A monopolist operates at the minimum point of her ATC curve

A. only in the short run

B. only in the long run

C. in both the short run and the long run

D. in neither the short run nor the long run

8. A natural monopoly

A. has an average cost curve that reaches minimum possible average cost at a low level of output.

B. has a marginal cost curve that is steeply upward slopoing.

C. is usually subject to antitrust suits

D is usually allowed to choose its price so as to maximize profits in the United States.

E. occurs when a single firm can supply the entire market demand for a product at a lower average cost than would be possible if two or more firms supplied the market.

9. For a monopolist, the price of the product

A. always equals the marginal revenue

B. is always less than the marginal revenue

C. exceeds the marginal revenue

D. always equals the marginal cost of the product

10. Monopolies are usually viewed with concern from an economic standpoint since

A. size is ingerently dangerous; the larger ther firm, the more likely it is to squeeze out the "little producer"

B. resources may be allocated in an efficient manner.

C. the government may be put at the mercy of several large producers

D. always equals the marginal cost of the product

A. A competitive firm

  1. can consider only its location in setting the price.
  2. must base its competitive price on product differentiation.
  3. has the ability to set its own price.
  4. must accept the price determined by the intersection of the market supply and demand curves.
  5. has no supply curve.

B. If a firm is making an economic profit, then

  1. the factors of production are being paid their opportunity costs.
  2. there will be no change in the number of firms if the industry is perfectly competitive.
  3. the factors of production are being paid less than their opportunity costs.
  4. the factors of production are being paid more than their opportunity costs.
  5. the firm will exit the industry

C. Along a downward-sloping monopoly demand curve,

  1. marginal revenue is greater than price.
  2. the elasticity of demand is constant.
  3. marginal revenue decreases when the price decreases.
  4. marginal revenue is equal to zero when the price is equal to zero

D. If, in the short run, a perfectly competitive firm is producing at a point where the total cost is greater than total revenue, then the firm should

  1. shut down because economic profits are negative.
  2. continue to produce as long as P > AVC.
  3. continue to produce because accounting profits are positive.
  4. set a higher price for its output.
  5. set a lower price for its output

E. For a perfectly competitive firm, the demand curve is

  1. the marginal revenue curve.
  2. perfectly inelastic.
  3. always equal to marginal cost.
  4. the same as the market demand curve

F. A firm in a(n) industry will have the most elastic demand curve

  1. monopolistic
  2. oligopolistic
  3. monopolistically competitive
  4. perfectly competitive

G. If the demand curve of a monopolist is in the inelastic range, then

  1. total revenue will fall if the price increases.
  2. total revenue will be unchanged if the price increases.
  3. total revenue will rise if the price increases.
  4. the total supply will increase by an equal amount if demand increases.
  5. the price will be unchanged if total revenue increases

H. Monopolistic competition and oligopoly are examples of

  1. monopoly.
  2. perfect competition.
  3. theories of consumer behavior.
  4. imperfect competition.
  5. the extreme cases on the market structure continuum

I. Under which market structure do firms face the flattest (most elastic) demand curve?

  1. perfect competition
  2. monopolistic competition
  3. oligopoly
  4. monopoly

J. At the point of long-run equilibrium for a perfectly competitive firm,

  1. economic profits are zero.
  2. TR > TC.
  3. TR < TC.
  4. P = AVC.
  5. normal profits are zero.