Monopoly and Market Power

A set of flashcards summarizing key concepts related to monopolies and market power.

Monopoly

A market structure where a single seller dominates the market with no close substitutes for its product.

Price Maker

A firm that has the power to set the price of its good rather than taking the market price as given.

Marginal Cost (MC)

The cost of producing one additional unit of a good.

Inefficiency

In the context of monopolies, when the market outcome results in a loss of economic welfare due to higher prices and lower quantities than in competitive markets.

Barriers to Entry

Obstacles that prevent new competitors from easily entering a market, essential for maintaining a monopoly.

Natural Monopoly

A type of monopoly that occurs when a single firm can provide a good or service at a lower cost than multiple firms due to economies of scale.

Demand Curve

A graph showing the relationship between the price of a good and the quantity demanded.

Marginal Revenue (MR)

The additional revenue earned from selling one more unit of a good, which for a monopoly is always less than the price.

Profit Maximization

The process by which a firm determines the price and output level that leads to the highest profit.

Social Planner

An entity that seeks to maximize societal welfare by balancing the costs and benefits of production.

Deadweight Loss

The loss of economic efficiency when the equilibrium outcome is not achievable or not achieved, often due to monopoly pricing.

Price Discrimination

Selling the same good at different prices to different consumers based on their willingness to pay.

Antitrust Laws

Legislation aimed at preventing monopolistic practices and promoting competition in the market.

Public Ownership

When the government owns and operates a monopoly, often for public service.

Economic Profit

Total revenue minus total costs, which can be positive in both the short-run and long-run for monopolies due to barriers to entry.