Question 1

Which of the following best describes a monopolistically competitive market?

Accepted Answer

A market with many sellers offering differentiated products.

Question 2

In monopolistic competition, which of the following is the primary way firms gain some control over price?

Accepted Answer

By differentiating their products from competitors.

Question 3

Suppose a new fast-food restaurant opens in a city with many existing fast-food options. In the short run, what is the likely effect on the economic profits of existing restaurants?

Accepted Answer

Economic profits will decrease due to fewer customers per firm.

Question 4

Which of the following is NOT a form of product differentiation in monopolistic competition?

Accepted Answer

Perfect information

Question 5

In the short run, a monopolistically competitive firm maximizes profit by producing the quantity where:

Accepted Answer

$$MR = MC$$

Question 6

In the long run, entry and exit in monopolistic competition lead to which of the following outcomes?

Accepted Answer

Firms break even, earning zero economic profit.

Question 7

Which of the following equations represents the profit-maximizing condition for a monopolistically competitive firm?

Accepted Answer

$$MR = MC$$

Question 8

Why is monopolistic competition considered inefficient compared to perfect competition?

Accepted Answer

Firms in monopolistic competition have excess capacity and do not produce at minimum average total cost.

Question 9

A monopolistically competitive firm faces the following demand and cost functions: $$P = 50 - 2Q$$ and $$TC = 10 + 10Q. $$What is the profit-maximizing output in the short run?

Accepted Answer

$$Q = 8$$

Question 10

Which of the following best explains why advertising can be considered part of the product in monopolistic competition?

Accepted Answer

Advertising can increase consumer enjoyment of the product, even if no new information is provided.

Question 11

If a monopolistically competitive firm is earning losses in the short run, what is the likely long-run adjustment?

Accepted Answer

Firms will exit the market, reducing competition and increasing demand for remaining firms.

Question 12

In the long-run equilibrium of monopolistic competition, which of the following is true?

Accepted Answer

$$P = ATC \u003e MC$$

Question 13

Which of the following is a characteristic of informative advertising in monopolistic competition?

Accepted Answer

It provides details about price, quality, and availability.

Question 14

Suppose a monopolistically competitive firm faces the following cost structure: $$ATC is $$minimized at $$Q = 100$$, but the firm produces $$Q = 80 in $$long-run equilibrium. What does this imply?

Accepted Answer

The firm has excess capacity.

Question 15

Which of the following statements about product diversity in monopolistic competition is correct?

Accepted Answer

Product diversity leads to higher consumer satisfaction.

Question 16

A monopolistically competitive firm sets its price according to which of the following?

Accepted Answer

Where marginal revenue equals marginal cost, then uses the demand curve to set price.

Question 17

Which of the following is a real-world example of product differentiation by location?

Accepted Answer

A fast-food chain that opens stores in high-traffic urban areas.

Question 18

In monopolistic competition, what happens to the demand curve facing an individual firm as new firms enter the market?

Accepted Answer

It shifts to the left and becomes more elastic.

Question 19

Which of the following best explains why some mutually beneficial trades are unexploited in monopolistic competition?

Accepted Answer

Firms restrict output below the level that minimizes average total cost.

Question 20

A monopolistically competitive firm is currently producing where $$MR = MC$$ and $$P \u003e ATC. $$What should the firm expect in the long run?

Accepted Answer

New firms will enter, reducing its demand and profits until it earns zero economic profit.

Monopolistic Competition: Structure, Behavior, and Efficiency

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