Monopoly and Market Power

Active learning works for this topic because monopoly pricing requires students to visualize abstract curves and trade-offs before grasping their real-world impacts. Role-playing and graphing transform abstract economic models into concrete decisions, helping students connect marginal revenue, price setting, and welfare losses through direct experience rather than passive listening.

• Grade 11
• Economics
• 4 activities
• 30 min–50 min

Learning Objectives

1. Analyze the profit-maximizing output and price decisions of a monopolist.
2. Compare the economic efficiency of a monopoly to that of a perfectly competitive market.
3. Evaluate the impact of monopoly pricing on consumer surplus and producer surplus.
4. Explain the primary sources of monopoly power, such as control of resources or economies of scale.
5. Critique the effectiveness of government policies, like price regulation or antitrust laws, in addressing monopoly issues.

Simulation Game

⏱ 45 min·Small Groups

Simulation Game: Monopoly Pricing Challenge

Divide class into firms; one acts as monopolist setting candy prices while others bid as consumers. Track sales, profits, and surplus over rounds. Debrief with graphs comparing to competitive pricing.

Prepare & details

Analyze how a monopoly's market power affects consumer welfare.

Facilitation Tip: During the Monopoly Pricing Challenge, circulate and ask groups probing questions like, 'How does your price change if demand drops by 20%?' to push beyond surface-level strategy.

Setup: Flexible space for group stations

Materials: Role cards with goals/resources, Game currency or tokens, Round tracker

• Apply
• Analyze
• Evaluate
• Create
• Social Awareness
• Decision-Making

Case Study Analysis

⏱ 30 min·Pairs

Graphing Lab: Monopoly vs Competition

Provide demand and cost data; pairs plot curves for monopoly and perfect competition outcomes. Calculate deadweight loss. Share findings in a class gallery walk.

Prepare & details

Explain the sources of monopoly power.

Facilitation Tip: In the Graphing Lab, provide colored pencils and large graph paper to help students distinguish curves and avoid color confusion when analyzing deadweight loss.

Setup: Groups at tables with case materials

Materials: Case study packet (3-5 pages), Analysis framework worksheet, Presentation template

• Analyze
• Evaluate
• Create
• Decision-Making
• Self-Management

Case Study Analysis

⏱ 50 min·Small Groups

Policy Debate: Regulate or Not?

Assign roles for/against regulating a Canadian telecom monopoly. Groups prepare arguments on welfare effects using graphs. Vote and reflect on policy strengths.

Prepare & details

Critique government policies designed to regulate monopolies.

Facilitation Tip: For the Policy Debate, assign roles in advance (e.g., consumer advocate, CEO, regulator) and provide a two-minute prep time to ensure all students contribute meaningfully.

Setup: Groups at tables with case materials

Materials: Case study packet (3-5 pages), Analysis framework worksheet, Presentation template

• Analyze
• Evaluate
• Create
• Decision-Making
• Self-Management

Jigsaw

⏱ 40 min·Small Groups

Jigsaw: Real Monopolies

Assign Canadian cases like Enbridge pipelines to expert groups. Experts teach peers about power sources and regulations. Class synthesizes common welfare themes.

Prepare & details

Analyze how a monopoly's market power affects consumer welfare.

Facilitation Tip: During the Case Study Jigsaw, assign each group a specific real-world monopoly (e.g., Hydro One, Google Search) and require them to present a 60-second elevator pitch on its market power source.

Setup: Flexible seating for regrouping

Materials: Expert group reading packets, Note-taking template, Summary graphic organizer

• Understand
• Analyze
• Evaluate
• Relationship Skills
• Self-Management

Teaching This Topic

Experienced teachers approach this topic by starting with simulations to build intuition about pricing power, then layering in graphing to formalize the model. Avoid presenting the monopoly outcome as purely negative; instead, use natural monopoly examples to highlight efficiency trade-offs. Research suggests students grasp deadweight loss better when they calculate it themselves rather than watch a lecture, so always pair abstract explanations with hands-on activities.

What to Expect

Successful learning looks like students accurately identifying profit-maximizing prices on graphs, debating regulation trade-offs using economic reasoning, and connecting monopoly outcomes to consumer welfare and policy responses. They should articulate why monopolies produce less output at higher prices than competitive markets, and critique solutions like price caps or antitrust laws with evidence from simulations and case studies.

Watch Out for These Misconceptions

Common Misconception

During the Monopoly Pricing Challenge, watch for students who assume the highest price always yields the highest profit.

What to Teach Instead

Use the simulation’s profit calculator to show students how revenue changes at different price points, then have them graph profit against price to identify the true maximum.

Common Misconception

During the Case Study Jigsaw, watch for students who claim all monopolies harm consumers with no benefits.

What to Teach Instead

In their group discussions, prompt them to consider natural monopolies like utilities, and use their presentations to compare efficiency gains with consumer trade-offs.

Common Misconception

During the Policy Debate, watch for students who assume government regulation always solves monopoly problems effectively.

What to Teach Instead

Have groups test their arguments using the simulation’s outcome data, showing how price caps can create shortages or inefficiencies in practice.

Assessment Ideas

Quick Check

After the Graphing Lab, present students with a monopoly graph. Ask them to identify the profit-maximizing quantity, mark the price on the demand curve, and shade the deadweight loss area. Collect labeled graphs to assess accuracy.

Discussion Prompt

After the Policy Debate, facilitate a class discussion where students must reference simulation outcomes or case study evidence to support their arguments about regulation or breaking up monopolies.

Exit Ticket

During the Monopoly Pricing Challenge, ask students to write down one source of monopoly power from the simulation and explain in one sentence why the firm’s price exceeds marginal cost.

Extensions & Scaffolding

• Challenge: After the simulation, ask students to design a pricing strategy for a firm facing both a monopoly and a competitive market, comparing profits and consumer outcomes.
• Scaffolding: Provide pre-labeled graph templates for the Graphing Lab with key points marked to reduce cognitive load for students struggling with curve placement.
• Deeper exploration: Have students research and present on how digital platforms (e.g., Amazon, Facebook) exhibit network effects that reinforce monopoly power, using the Case Study Jigsaw structure.

Key Vocabulary

Monopoly	A market structure characterized by a single seller, selling a unique product in the market. In a monopoly market, the seller faces no competition, as they are the sole seller of goods with no close substitute.
Barriers to Entry	Obstacles that make it difficult or impossible for new firms to enter a market, allowing existing firms, like monopolies, to maintain market power.
Price Maker	A firm that has the power to influence the price of a good or service in the market, rather than taking the market price as given.
Deadweight Loss	A loss of economic efficiency that can occur when the equilibrium outcome is not achievable or is not achieved. In a monopoly, this represents the loss of potential gains in consumer and producer surplus.
Natural Monopoly	A type of monopoly that exists due to the high start-up costs or the technological nature of a whole industry. It is often considered efficient for only one firm to produce the good or service.