Question 1

Which of the following best describes a monopoly market structure?

Accepted Answer

A market with one firm selling a good or service that has no close substitutes and a barrier to entry.

Question 2

A barrier to entry is best defined as:

Accepted Answer

A constraint that protects a firm from potential competitors.

Question 3

Suppose a pharmaceutical company holds a patent for a life-saving drug. This patent acts as:

Accepted Answer

A barrier to entry, preventing other firms from producing close substitutes.

Question 4

Which of the following scenarios illustrates a monopoly due to a legal barrier to entry?

Accepted Answer

A single utility company is granted exclusive rights to provide electricity in a city.

Question 5

If a monopoly faces no close substitutes for its product, what is the likely effect on its pricing power?

Accepted Answer

It can set prices significantly above marginal cost due to lack of competition.

Question 6

Which of the following is NOT a characteristic of a monopoly?

Accepted Answer

Many firms competing in the market.

Question 7

Consider the following: A city government grants a single company the exclusive right to collect garbage. What type of barrier to entry is this?

Accepted Answer

Legal barrier created by government regulation.

Question 8

Which equation best represents the profit-maximizing condition for a monopoly?

Accepted Answer

$MR = MC$

Question 9

A monopoly is able to block the entry of new firms primarily because:

Accepted Answer

It faces no close substitutes and has barriers to entry.

Question 10

Which of the following is a real-world example of a monopoly created by a barrier to entry?

Accepted Answer

Microsoft holding patents on certain software technologies.

Question 11

If a monopoly faces a downward-sloping demand curve, what happens to marginal revenue as output increases?

Accepted Answer

Marginal revenue decreases.

Question 12

Which of the following is most likely to be considered a barrier to entry in the pharmaceutical industry?

Accepted Answer

Patent protection for new drugs.

Question 13

Suppose a monopoly sets its price at $P^*$ and produces $Q^*$. If a new firm tries to enter the market, what is most likely to happen?

Accepted Answer

Barriers to entry will prevent the new firm from entering.

Question 14

Which of the following statements is true about monopolies?

Accepted Answer

Monopolies can maintain economic profits in the long run due to barriers to entry.

Question 15

A monopoly is most likely to arise in which of the following situations?

Accepted Answer

When there are significant barriers to entry and no close substitutes.

Question 16

Which of the following is NOT a barrier to entry?

Accepted Answer

Low advertising expenses.

Question 17

If a monopoly is protected by a barrier to entry, what is the likely effect on consumer choice?

Accepted Answer

Consumers have limited choices due to lack of close substitutes.

Question 18

Which of the following best explains why monopolies can earn long-run economic profits?

Accepted Answer

Barriers to entry prevent new firms from entering the market.

Question 19

Suppose a monopoly faces the following demand and cost functions:

Demand: $P = 100 - 2Q$

Total Cost: $TC = 20Q + 100$

What is the marginal cost (MC) for this firm?

Accepted Answer

$MC = 20$

Question 20

Which of the following is an example of a natural monopoly?

Accepted Answer

A single company providing water supply to a city due to high infrastructure costs.

Monopoly: Characteristics and Barriers to Entry

Study Guide - Practice Questions