Question 1

Which of the following is NOT a key feature of a monopoly market?

Accepted Answer

There are many sellers competing for market share.

Question 2

A natural monopoly arises primarily due to which economic factor?

Accepted Answer

Economies of scale that allow one firm to supply the entire market at the lowest cost.

Question 3

Suppose a monopoly faces the following demand: at $$32, it sells 2 units; at 28$$, it sells 3 units. What is the marginal revenue from selling the third unit?

Accepted Answer

$20

Question 4

Which of the following is an example of a legal barrier to entry that can create a monopoly?

Accepted Answer

Patent protection for a new drug.

Question 5

For a single-price monopoly, which relationship between marginal revenue (MR) and price (P) always holds?

Accepted Answer

$$MR \u003c P$$

Question 6

If a monopoly produces at a quantity where demand is inelastic, what happens to its total revenue if it lowers the price?

Accepted Answer

Total revenue decreases.

Question 7

A monopoly maximizes profit by producing the quantity where:

Accepted Answer

$$MR = MC$$

Question 8

Compared to perfect competition, a single-price monopoly will:

Accepted Answer

Produce a smaller output and charge a higher price.

Question 9

Which formula correctly represents total revenue (TR) for a monopoly?

Accepted Answer

$$TR = P 	imes Q$$

Question 10

In the context of monopoly, what is deadweight loss?

Accepted Answer

The reduction in total surplus caused by monopoly pricing above marginal cost.

Question 11

Which of the following best describes price discrimination?

Accepted Answer

Selling different units of a good or service for different prices to different customers.

Question 12

If a monopoly perfectly price discriminates, what happens to consumer surplus?

Accepted Answer

Consumer surplus is zero.

Question 13

Suppose a monopoly faces a demand curve where elasticity is unit elastic. What is the value of marginal revenue (MR) at this point?

Accepted Answer

$$MR = 0$$

Question 14

Which of the following is a real-world example of an ownership barrier to entry?

Accepted Answer

De Beers controlling global diamond mines.

Question 15

A monopoly will never produce at a quantity where demand is:

Accepted Answer

Inelastic.

Question 16

Which equation represents economic profit for a monopoly?

Accepted Answer

$$Economic\ Profit = Total\ Revenue - Total\ Cost$$

Question 17

In perfect competition, equilibrium is efficient because:

Accepted Answer

$$MSB = MSC$$

Question 18

Which of the following is NOT a way a monopoly can price discriminate?

Accepted Answer

Offering quantity discounts that reflect lower costs at higher volumes.

Question 19

If a monopoly is protected by a government license, what type of barrier to entry is this?

Accepted Answer

Legal barrier.

Question 20

Which of the following statements about producer surplus in monopoly is correct?

Accepted Answer

Producer surplus is total revenue minus total variable cost.

Monopoly: Origins, Price-Setting, and Efficiency in Microeconomics

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