Activity 01
Simulation Game: Monopoly Formation Game
Assign small groups as potential firms in a market for widgets. Rounds one and two allow free entry with price competition; round three introduces barriers like a patent, crowning one monopoly group to set prices and track sales. Groups compare total output and prices across rounds, then calculate deadweight loss.
Explain the sources of monopoly power.
Facilitation TipDuring the Monopoly Formation Game, circulate and ask groups to explain their pricing decisions aloud so peers hear the profit-maximizing logic in real time.
What to look forProvide students with a simple demand curve and a marginal revenue curve for a hypothetical monopolist. Ask them to identify the profit-maximizing output level and the corresponding price on the graph, explaining their reasoning.
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Activity 02
Graphing Pairs: Monopoly Curves
Pairs receive demand curves and cost data. First, plot competitive equilibrium; then shift to monopoly by drawing MR curve and finding MR=MC point. Discuss price, quantity, and profit differences, labeling consumer and producer surplus.
Analyze why a monopoly leads to higher prices and lower output compared to competition.
Facilitation TipFor Graphing Pairs, provide large graph paper and colored pencils so students can trace curves and label key points together.
What to look forPose the question: 'Should the government break up a monopoly that provides a vital service, even if it means potentially higher short-term costs for consumers and reduced innovation?' Facilitate a debate where students must use economic reasoning to support their positions.
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Activity 03
Debate Stations: Regulation Pros and Cons
Set up stations with cases like Canadian utilities. Groups prepare 2-minute arguments for or against regulation, rotate to counter others, and vote on strongest evidence. Conclude with whole-class synthesis of key trade-offs.
Critique the arguments for and against government regulation of monopolies.
Facilitation TipAt Debate Stations, assign roles explicitly so even shy students can practice structured argumentation.
What to look forAsk students to write down one specific reason why a company might become a monopoly and one consequence of this monopoly for consumers. Collect these to gauge understanding of barriers and market outcomes.
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Activity 04
Jigsaw: Real Monopolies
Assign expert groups Canadian examples like telecom patents or rail networks. Experts teach home groups about power sources, price effects, and regulations. Home groups report back on policy lessons.
Explain the sources of monopoly power.
Facilitation TipIn the Case Study Jigsaw, give each group one source document to annotate before teaching others what they learned.
What to look forProvide students with a simple demand curve and a marginal revenue curve for a hypothetical monopolist. Ask them to identify the profit-maximizing output level and the corresponding price on the graph, explaining their reasoning.
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Generate Complete Lesson→A few notes on teaching this unit
Teachers should start with simulations to build intuition about pricing power, then layer in graphing to formalize the math. Avoid overwhelming students with too much theory upfront; let them discover the MR=MC rule through trial and error. Research shows that students retain monopoly outcomes better when they role-play a monopolist rather than just watch a lecture.
Students will clearly explain why monopolists set output where marginal revenue equals marginal cost and how this differs from competitive markets. They will use graphs to show deadweight loss and discuss trade-offs of regulation with real examples. Evidence of these skills appears in group work, graphing, and debate participation.
Watch Out for These Misconceptions
During the Monopoly Formation Game, watch for students assuming the monopolist can charge the highest possible price without losing customers.
After the simulation, have groups compare their highest attempted prices to the actual sales recorded. Point out that overpricing led to zero revenue, reinforcing the profit-maximizing balance between price and quantity.
During the Case Study Jigsaw, listen for students labeling all monopolies as harmful and illegal.
Prompt groups to categorize their case studies as natural, legal, or harmful monopolies. Have them explain why governments regulate some but break up others, using the document evidence.
During Graphing Pairs, note students labeling the monopolist’s output as socially optimal.
Ask partners to draw a competitive market supply curve on the same graph. Compare quantities and highlight the deadweight loss triangle to show why monopolies restrict output below the efficient level.
Methods used in this brief