Economics & Business · Year 12

Active learning ideas

Market Structures: Oligopoly

Active learning works for oligopoly because the topic relies on strategic interaction and real-world examples. When students take on roles or solve dilemmas, they experience the tension between competition and cooperation firsthand, which improves retention of abstract concepts like interdependence and Nash Equilibrium.

• ACARA Content Descriptions
• ACARA Australian Curriculum v9: Economics 11-12, Unit 1, The significance of market structure, including perfect competition, monopolistic competition, oligopoly and monopoly (AC9EC009)
• ACARA Australian Curriculum v9: Economics 11-12, Unit 1, Analyse the characteristics of an oligopoly market structure, including interdependence and strategic behaviour
• ACARA Australian Curriculum v9: Economics 11-12, Unit 1, Explain how game theory can be used to model the behaviour of firms in an oligopoly

• 25–45 min
• Pairs → Whole Class
• 4 activities

Activity 01

• Simulation Game
• 30 min · Pairs

Pairs Activity: Prisoner's Dilemma Pricing

Pair students as two rival firms with a payoff matrix for high or low pricing choices. Play 5 rounds silently first, then with communication. Debrief on cooperation incentives and cheating risks.

Differentiate between oligopoly and other market structures.

Facilitation Tip

In the Prisoner's Dilemma Pricing activity, circulate to prompt pairs with questions like, 'What would your rival do if you kept prices high?' to push strategic thinking beyond the obvious.

What to look for

Present students with a scenario describing a market with three firms and high barriers to entry. Ask them to identify at least two characteristics that indicate an oligopoly and explain why. Collect responses to gauge understanding of core features.

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

Activity 02

• Simulation Game
• 45 min · Small Groups

Small Groups: Oligopoly Market Simulation

Assign each group of 4 as a firm in a mock mobile phone market. Groups set prices and advertise, then calculate market shares based on a class demand schedule. Rotate roles and repeat for 3 rounds.

Analyze the strategic interdependence among firms in an oligopoly using simple game theory.

Facilitation Tip

During the Oligopoly Market Simulation, set a strict five-minute timer for each round to mimic real-world time pressure that forces firms to make quick decisions.

What to look for

Pose the question: 'Why is collusion often unstable in an oligopoly, even if it is profitable?' Facilitate a class discussion where students use concepts like the prisoner's dilemma and the incentive to cheat to explain their reasoning.

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

Activity 03

• Simulation Game
• 35 min · Whole Class

Whole Class: Kinked Demand Curve Role-Play

Select 4 students as firm leaders; class votes on reactions to price changes. Plot results on board to visualize kinked curve. Discuss why price rigidity occurs.

Predict the outcomes of price and output decisions in an oligopolistic market.

Facilitation Tip

In the Kinked Demand Curve Role-Play, deliberately introduce an external shock like a supplier price hike to observe how students adjust their assumptions about rivals' responses.

What to look for

Provide students with a simplified payoff matrix for two firms deciding between a high price and a low price. Ask them to identify the Nash Equilibrium and explain the strategic thinking that leads to that outcome.

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

Activity 04

• Simulation Game
• 25 min · Individual

Individual: Australian Oligopoly Case Cards

Provide cards with scenarios from banking or airlines. Students rank strategies and justify using game theory. Share in pairs for feedback.

Differentiate between oligopoly and other market structures.

Facilitation Tip

For the Australian Oligopoly Case Cards, provide a model answer for the first card only, then let students work in pairs to peer-assess the rest, building confidence in applying criteria.

What to look for

Present students with a scenario describing a market with three firms and high barriers to entry. Ask them to identify at least two characteristics that indicate an oligopoly and explain why. Collect responses to gauge understanding of core features.

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

A few notes on teaching this unit

Start with the prisoner's dilemma to ground game theory in a relatable scenario before moving to complex models. Avoid overwhelming students with too many theories at once. Research shows that concrete examples and repeated practice with feedback help students internalize strategic reasoning. Keep the focus on the human element: trust, risk, and rivalry matter as much as numbers.

Students will move from passive listeners to active problem-solvers who can explain why oligopolies behave in specific ways. By the end, they should confidently analyze pricing decisions, predict market outcomes, and critique the stability of collusion using evidence from simulations and role-plays.

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Watch Out for These Misconceptions

• During Prisoner's Dilemma Pricing, students may assume both players will always choose to collude because it seems safest.

  During Prisoner's Dilemma Pricing, circulate and ask pairs to record their choices after each round, then reveal results publicly to highlight how individual incentives lead to non-collusive outcomes despite mutual benefit.

• During Oligopoly Market Simulation, students might think firms compete only on price when advertising is available.

  During Oligopoly Market Simulation, after the first round, pause to ask groups to share how they used advertising or product features. Then, challenge them to predict how rivals might react if they increased advertising spending next round.

• During Kinked Demand Curve Role-Play, students may view game theory as purely mathematical and detached from real behavior.

  During Kinked Demand Curve Role-Play, after the role-play, facilitate a quick discussion where students reflect on moments of trust or betrayal in their decisions. Connect these moments to the concept of tacit collusion and the role of human behavior in economic models.

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Methods used in this brief

• Simulation Game