Economics & Business · Year 11

Active learning ideas

Monopoly Power and Market Dominance

Active learning builds deep understanding of monopoly power by letting students experience market dynamics firsthand. When students simulate and graph these scenarios, they see why monopolies restrict output and raise prices, making abstract concepts concrete and memorable.

• ACARA Content Descriptions
• AC9EC11K05

• 30–50 min
• Pairs → Whole Class
• 4 activities

Activity 01

• Simulation Game
• 45 min · Small Groups

Simulation Game: Monopoly vs Competition Markets

Divide class into groups representing firms in a simulated market for widgets. In round one, perfect competition rules apply with many sellers; in round two, one group becomes the monopolist. Track prices, quantities sold, and profits on shared charts, then graph results.

Explain why monopolies can lead to allocative inefficiency.

Facilitation Tip

During the Monopoly vs Competition Markets simulation, circulate and ask guiding questions like 'How does your pricing strategy change when competitors enter?' to keep students focused on economic principles.

What to look for

Provide students with a graph showing a monopolist's cost and revenue curves. Ask them to identify and label the profit-maximizing quantity and price, and shade the area representing deadweight loss. This checks their ability to apply graphical analysis.

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

Activity 02

• Case Study Analysis
• 50 min · Small Groups

Case Study Analysis: Australian Monopoly Analysis

Provide case studies of firms like Qantas or Coles. Groups identify monopoly features, calculate deadweight loss using provided data, and propose ACCC interventions. Present findings to class for peer feedback.

Compare the outcomes of perfect competition versus monopoly.

Facilitation Tip

For the Australian Monopoly Analysis case study, provide a graphic organizer with headings like 'Market Structure,' 'Government Response,' and 'Consumer Impact' to structure their findings and discussions.

What to look for

Pose the question: 'Should the government always intervene when a firm achieves significant market dominance?' Facilitate a class discussion where students debate the pros and cons of government intervention, referencing specific Australian examples and competition policies.

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

Activity 03

• Formal Debate
• 40 min · Whole Class

Formal Debate: Competition Policy Effectiveness

Assign positions for and against strong anti-monopoly laws. Teams prepare arguments using curriculum graphs and Australian examples, then debate in rounds with class voting on strongest case.

Evaluate the role of competition policy in addressing market dominance.

Facilitation Tip

In the Debate: Competition Policy Effectiveness, assign roles in advance and give students a scenario card with a real ACCC case to ensure their arguments are grounded in policy details.

What to look for

Ask students to write two sentences explaining why a monopolist produces less output and charges a higher price than a firm in a perfectly competitive market. This assesses their understanding of the core inefficiency of monopolies.

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

Activity 04

• Case Study Analysis
• 30 min · Pairs

Graphing: Efficiency Comparisons

Pairs draw demand, MR, MC, and AC curves for perfect competition and monopoly scenarios. Shade areas for consumer surplus and deadweight loss, then discuss differences in a gallery walk.

Explain why monopolies can lead to allocative inefficiency.

Facilitation Tip

During the Graphing: Efficiency Comparisons activity, have students work in pairs to first sketch a competitive market graph, then modify it to show monopoly outcomes, discussing differences as they draw.

What to look for

Provide students with a graph showing a monopolist's cost and revenue curves. Ask them to identify and label the profit-maximizing quantity and price, and shade the area representing deadweight loss. This checks their ability to apply graphical analysis.

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

A few notes on teaching this unit

Teachers should start with simple, relatable examples of market dominance before introducing theory, as students grasp why one firm controls supply more easily when they’ve seen real-world cases first. Avoid overwhelming students with jargon; instead, connect terms like 'deadweight loss' directly to the shaded areas on their graphs. Research supports using peer discussion and role-play to correct misconceptions, so debates and simulations are ideal for revealing gaps in understanding.

Students will confidently explain how monopolists set prices, compare outcomes to competitive markets, and evaluate the costs and benefits of government intervention. Successful learning is visible when students use graphs, case analysis, and debates to justify their reasoning with evidence.

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Watch Out for These Misconceptions

• During the Graphing: Efficiency Comparisons activity, watch for students who assume the monopolist’s price is set where marginal cost intersects demand.

  Use the activity’s graphing sheets to have students first locate where MR = MC, then trace up to the demand curve to find the price. Circulate and ask, 'Where does the monopolist set output? How do you find the price from there?'

• During the Monopoly vs Competition Markets simulation, watch for students who believe that monopolies always charge the highest possible price regardless of demand elasticity.

  In the simulation, introduce a demand shock (e.g., a price increase reduces quantity sold dramatically) and ask students to observe how their profits change. Use this to redirect the idea that profit maximization depends on both price and quantity sold.

• During the Debate: Competition Policy Effectiveness, watch for students who assume government intervention always restores efficiency without side effects.

  During the debate prep, provide each team with a one-page brief on a real ACCC case showing unintended consequences (e.g., price caps causing shortages). Ask them to incorporate this trade-off into their arguments.

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Methods used in this brief

• Simulation Game
• Case Study Analysis
• Formal Debate