Question 1

Which of the following is NOT a characteristic of monopolistic competition?

Accepted Answer

Firms produce identical products.

Question 2

In monopolistic competition, why is collusion among firms considered impossible?

Accepted Answer

There are too many firms for effective coordination.

Question 3

A firm in monopolistic competition determines its profit-maximizing output by producing the quantity at which:

Accepted Answer

$MR = MC$

Question 4

Why do firms in monopolistic competition use advertising and brand names?

Accepted Answer

To signal product quality and differentiate their products.

Question 5

In the long run, what happens to economic profit in monopolistic competition?

Accepted Answer

It becomes zero due to free entry and exit.

Question 6

Which equation represents the markup for a firm in monopolistic competition?

Accepted Answer

$Markup = P - MC$

Question 7

A firm in monopolistic competition operates with excess capacity. This means:

Accepted Answer

It produces less than the quantity at which $ATC$ is minimized.

Question 8

Suppose a firm in monopolistic competition faces the following cost and demand schedule. At what output does the firm maximize profit?

Price: $24, 22, 20, 18, 16, 14, 12, 10$
Quantity Demanded: $1, 2, 3, 4, 5, 6, 7, 8$
Marginal Cost: $8, 6, 8, 10, 14, 20, 30, 80$

Find the output where $MR = MC$ and the price at that output.

Accepted Answer

4 units at $18

Question 9

Why does advertising increase the average total cost ($ATC$) for a firm in monopolistic competition?

Accepted Answer

Advertising is a fixed cost that must be spread over output.

Question 10

If all firms in a monopolistically competitive market advertise, what is the likely effect on the demand curve for each firm's product?

Accepted Answer

The demand curve becomes more elastic.

Question 11

In monopolistic competition, what is the efficient degree of product variety?

Accepted Answer

Where marginal social benefit equals marginal social cost.

Question 12

Which of the following best explains why firms in monopolistic competition must continuously develop new products?

Accepted Answer

To maintain economic profit before competitors imitate their innovations.

Question 13

A firm pursues product development until:

Accepted Answer

$MR_{innovation} = MC_{innovation}$

Question 14

Which of the following is a real-world example of an industry with monopolistic competition?

Accepted Answer

Clothing retailers

Question 15

In monopolistic competition, why does price exceed marginal cost in the long run?

Accepted Answer

Because firms have market power due to product differentiation.

Question 16

Which statement about the efficiency of advertising and brand names is correct?

Accepted Answer

Advertising and selling costs are efficient if consumers value the information and services more than their cost.

Question 17

Suppose a firm in monopolistic competition is producing at a point where $P < ATC$ but $MR = MC$. What is the firm's situation?

Accepted Answer

The firm is incurring an economic loss.

Question 18

Why might advertising expenditures shift the average total cost ($ATC$) curve upward but also allow a firm to operate at a larger output and lower $ATC$ than without advertising?

Accepted Answer

Advertising increases fixed costs, but spreading these costs over more output can lower $ATC$.

Question 19

Which of the following is a signal of product quality in monopolistic competition?

Accepted Answer

Expensive and flashy advertising campaigns.

Monopolistic Competition: Structure, Pricing, and Non-Price Competition

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