Monopoly and Perfect Competition Quiz

What is a monopoly?

• A market structure with many sellers and one buyer

• A market structure with a single seller and many buyers

• A market structure with many sellers and many buyers

• A market structure with a single buyer and many sellers

Which of the following is an assumption underpinning a monopoly?

• Free entry and exit in the market

• Homogeneous products

• Barriers to entry

• Perfect information

In the short run, how does a monopoly determine its profit-maximising output level?

• Where marginal cost equals average cost

• Where marginal revenue equals marginal cost

• Where average revenue equals average cost

• Where total revenue equals total cost

In perfect competition, what happens to economic profits in the long run?

• They increase indefinitely

• They become zero

• They become negative

• They remain constant

Which diagram correctly represents the long-run equilibrium in a perfectly competitive market?

• A downward-sloping demand curve intersecting a horizontal supply curve

• A horizontal demand curve intersecting a U-shaped average cost curve

• A vertical demand curve intersecting a downward-sloping supply curve

• A U-shaped average cost curve intersecting a downward-sloping demand curve

What is price discrimination in the context of a monopoly?

• Charging different prices for the same product in different markets

• Charging the same price for different products

• Charging a single price for all products

• Charging different prices based on production costs

Which of the following is a potential benefit of a monopoly?

• Lack of innovation

• Economies of scale

• Higher prices for consumers

• Reduced consumer choice

What is a natural monopoly?

• A monopoly that arises due to government regulation

• A monopoly that exists due to high production costs

• A monopoly that occurs when a single firm can supply the entire market at a lower cost than multiple firms

• A monopoly that results from technological innovation

How does a monopoly affect market efficiency compared to perfect competition?

• It increases efficiency by reducing costs

• It decreases efficiency by producing less than the socially optimal output

• It has no effect on market efficiency

• It increases efficiency by increasing consumer surplus

Which of the following is a potential cost of a monopoly?

• Increased consumer choice

• Lower prices due to competition

• Allocative inefficiency

• Higher levels of innovation