Economics · Grade 9

Active learning ideas

Determinants of Demand

Understanding the determinants of demand moves beyond simple price changes, requiring students to analyze real-world influences. Active learning methods allow students to grapple with these complex factors through collaborative problem-solving and scenario analysis, fostering deeper comprehension than passive listening.

• Ontario Curriculum Expectations
• CEE.Std3.2

• 20–30 min
• Pairs → Whole Class
• 3 activities

Activity 01

• Carousel Brainstorm
• 30 min · Small Groups

Demand Determinant Scenarios

Present students with various real-world scenarios, such as a celebrity endorsing a product or a sudden decrease in the price of a competing good. Students work in small groups to identify the relevant determinant of demand and predict whether the demand curve will shift left or right, justifying their reasoning.

Analyze how changes in income affect the demand for normal versus inferior goods.

Facilitation Tip

During the Carousel Brainstorm, ensure groups rotate promptly and that each station has a clear, concise prompt related to a specific determinant.

• Remember
• Understand
• Analyze
• Relationship Skills
• Social Awareness

Activity 02

• Carousel Brainstorm
• 25 min · Whole Class

Consumer Income Simulation

Divide the class into two groups representing different income levels. Provide both groups with a list of goods and services. Have them 'shop' for items, adjusting their choices based on their assigned income level, and then discuss how income differences impacted their purchasing decisions and the demand for various goods.

Predict the impact of changing consumer tastes on market demand.

Facilitation Tip

In the Document Mystery, guide students to focus on how the presented evidence directly relates to one or more demand determinants, rather than just summarizing the document.

• Remember
• Understand
• Analyze
• Relationship Skills
• Social Awareness

Activity 03

• Carousel Brainstorm
• 20 min · Pairs

Substitute and Complement Sort

Provide pairs of goods on cards. Students sort them into categories: substitutes, complements, or unrelated. They then explain how a price change in one good would affect the demand for the other, fostering discussion and peer teaching.

Compare how substitute and complementary goods influence demand shifts.

Facilitation Tip

For the Demand Determinant Scenarios, circulate to ensure students are correctly identifying the determinant at play and the resulting shift direction, intervening if they confuse movement along the curve with a shift.

• Remember
• Understand
• Analyze
• Relationship Skills
• Social Awareness

A few notes on teaching this unit

Teachers effectively teach determinants of demand by moving beyond rote memorization, using relatable, current examples to illustrate each factor. Emphasize the visual representation of shifts on the demand curve, contrasting them with movements along the curve caused by price changes. Avoid simply listing the determinants; instead, use them as springboards for analysis and prediction.

Students will be able to identify and explain how changes in consumer income, tastes, related goods prices, expectations, and market size shift the demand curve. They will articulate the difference between a movement along the curve and a shift of the curve, using specific examples from the activities.

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Watch Out for These Misconceptions

• During the Demand Determinant Scenarios, watch for students who state that a change in price causes the demand curve to shift.

  Redirect students by asking them to identify if the scenario describes a price change or a change in one of the non-price determinants, and then to draw the corresponding movement along the curve versus a shift of the curve.

• During the Consumer Income Simulation, watch for students who assume all goods become more desirable as income increases.

  Prompt students to consider the possibility of 'inferior goods' within their simulation, asking them to identify examples and explain why demand for those specific goods might decrease with higher income.

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Methods used in this brief

• Carousel Brainstorm