Question 6

Perfect competition is characterized by firms that have no market power and create no barriers to market entry.

In perfect competition, numerous firms operate in the market, none of which can influence the market price due to their small size relative to the market. This structure also allows for free entry and exit of firms, ensuring that there are no barriers to market entry.

A) Monopoly

Monopoly is a market structure where a single firm dominates the market, possessing significant market power and the ability to set prices. This structure inherently creates barriers to entry, preventing other firms from entering the market, which contradicts the characteristics described in the question.

B) Monopolistic competition

Monopolistic competition features many firms that sell products that are similar but not identical, allowing for some degree of market power. While this structure has lower barriers to entry than a monopoly, firms still possess some market power, which makes it unsuitable based on the question's criteria.

C) Oligopoly

Oligopoly is characterized by a few firms that dominate the market, leading to significant market power among those firms. This structure often involves barriers to entry, which further disqualifies it from being the correct answer to the question at hand.

D) Perfect competition

Perfect competition is defined as a market structure with many small firms, all of which have no market power and where there are no barriers to entry. This allows for a level playing field where new firms can enter freely, making this option the best fit for the characteristics outlined in the question.

Conclusion

Perfect competition is the only market structure that aligns with the definition of having no market power and no barriers to entry. In contrast, monopoly, monopolistic competition, and oligopoly all exhibit varying degrees of market power and barriers, thus failing to meet the criteria specified in the question.