ECON 208 Chapter Notes - Chapter 10: Coupon, Perfect Competition, Economic Surplus

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ECON 208 Full Course Notes

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Monopolist that charges single price for its product. Revenue concepts for a monopolist: demand curve equals revenue curve for the product a monopoly sells. Also equals the average revenue curve, as they just sell one product. Negatively sloped, unlike perfectly competitive firm: sales can be increased only if price is reduced, and vice versa, marginal revenue. Because a firm must reduce its price on all products to grow quantity, marginal revenue is constantly decreasing, thus, mr = p (lost revenue) Short run profit maximization: mr and mc curves determine maximum quantity. Monopolists find the correct price by finding where the demand is there on the x axis: no supply curve, competition and monopoly compared. Why are monopolies so rare: when monopolies exist they earn big profits which attracts competitors #snakes. Oligopolies, which are a few big firms, are more common. Entry barriers: any barrier to the entry of new firms into an industry (natural or created, natural entry barriers.

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QUESTION 22

For a perfectly competitive firm, profit maximization (or loss minimization) occurs at the level of output at which

	a.	MR = MC.
	b.	MR = AVC.
	c.	P = ATC.
	d.	MR = ATC.

4 points

QUESTION 23

If MR > MC, then

	a.	profits are being maximized.
	b.	the firm is producing too much of the good to be maximizing profits.
	c.	the firm can increase its profits (or minimize its losses) by increasing output.
	d.	the firm must be incurring losses.

4 points

QUESTION 24

If firms are earning zero economic profits, they must be producing at an output level at which

	a.	price minus marginal cost.
	b.	total revenue equals total costs, in other words, normal profits.
	c.	price equals average variable cost.
	d.	marginal revenue equals marginal cost.
	e.	none of the above

4 points

QUESTION 25

In the theory of perfect competition,

	a.	the market demand curve is horizontal.
	b.	the single firm faces a horizontal demand curve.
	c.	the single firm faces a downward-sloping demand curve.
	d.	the market demand curve is downward sloping.
	e.	b and d

azureshark954

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.

champagnerabbit678

1. The principle that a firm should produce up to the point where the marginal revenue (MR) from the sale of an extra unit of output is equal to the marginal cost (MC) of producing the extra unit applies: ( I put A)

to both perfectly competitive firms and monopolies

only to monopolies

only to perfectly competitive firms

only to firms that can employ discriminatory pricing strategies

2. If a monopolist or a perfectly competitive firm is producing at a break-even point, then: ( I put II, IV)
i. average revenue is equal to average variable cost
ii. average revenue is equal to the o average total cost
iii. total revenue is equal to total variable cost
iv. total revenue is equal to the total cost

iii

I and iii

ii and iv

3. What do economies of scale, the exclusive ownership of essential raw materials used in the production process, and patents have in common? (I put A)

they are all barriers to entry

they all help explain why a monopolists demand and marginal revenue curves are identical

they must all be present before a monopolist may practice price discrimination

they all help explain why a firm's short-run average total cost curve is U-shaped

bluemammoth421

ECON 208 Chapter Notes - Chapter 10: Coupon, Perfect Competition, Economic Surplus

ECON 208 Full Course Notes

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