Question 1

Which of the following is a legal barrier to entry that can lead to monopoly power in a market?

Accepted Answer

Patent protection granted by the government

Question 2

A monopolist faces the following demand curve: $P = 100 - 2Q$. What is the marginal revenue (MR) function for this monopolist?

Accepted Answer

$MR = 100 - 4Q$

Question 3

Which of the following best describes perfect price discrimination by a monopolist?

Accepted Answer

Charging each customer the maximum price they are willing to pay

Question 4

In monopolistic competition, what does the term '4-firm concentration ratio' measure?

Accepted Answer

The percentage of total market output produced by the four largest firms

Question 5

Suppose a monopolistically competitive firm faces the following cost and demand conditions: $P = 50 - Q$, $TC = 10 + 20Q$. What is the profit-maximizing output level?

Accepted Answer

$Q = 15$

Question 6

Which of the following is NOT a characteristic of an oligopoly market structure?

Accepted Answer

Firms have no control over market price

Question 7

In game theory, what is a Nash equilibrium?

Accepted Answer

A situation where no player can improve their payoff by changing their strategy unilaterally

Question 8

If the value of the marginal product of labor (VMPL) is less than the wage rate, what should a profit-maximizing firm do?

Accepted Answer

Reduce the number of workers employed

Question 9

Which formula correctly represents the value of the marginal product of labor (VMPL)?

Accepted Answer

$VMPL = MPL 	imes P$

Question 10

A backward-bending labor supply curve suggests that:

Accepted Answer

At higher wage rates, workers may choose to work fewer hours

Question 11

Which of the following is most likely to increase the supply of high-skilled labor in a country?

Accepted Answer

Expanding access to higher education

Question 12

A cartel is most likely to succeed in maintaining high prices if:

Accepted Answer

There are few firms and they can monitor each other's output

Question 13

Which of the following best describes the concept of 'natural monopoly'?

Accepted Answer

A market where a single firm can supply the entire market at a lower cost than multiple firms

Question 14

If a monopolist wants to maximize profit, it should produce the quantity where:

Accepted Answer

$MR = MC$

Question 15

Which of the following is a likely effect of a union negotiating higher wages for its members?

Accepted Answer

The quantity of labor demanded decreases

Question 16

Which equation represents the profit ($\pi$) of a firm?

Accepted Answer

$\pi = TR - TC$

Question 17

In monopolistic competition, firms in the long run:

Accepted Answer

Earn zero economic profits due to free entry and exit

Question 18

Which of the following is a real-world example of price discrimination?

Accepted Answer

An airline charging different prices for tickets based on booking time and customer type

Question 19

Which of the following best explains why a monopoly's output is lower and price is higher compared to a perfectly competitive market?

Accepted Answer

Monopolies maximize profit where $MR = MC$, while perfect competition produces where $P = MC$

Question 20

Which of the following policies is most likely to increase the supply of labor in a market?

Accepted Answer

Reducing barriers to immigration

Microeconomics Study Guide: Market Structures and Factor Markets

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