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Economics and Business · Term 3

Opportunity Cost and Decision Making

Students will learn about opportunity cost as the value of the next best alternative foregone when a choice is made, and apply it to personal and societal decisions.

Key Questions

  1. Explain the concept of opportunity cost using a personal example.
  2. Analyze how understanding opportunity cost can improve decision-making.
  3. Evaluate the opportunity costs associated with a government's spending priorities.

ACARA Content Descriptions

AC9E7K01
Year: Year 7
Subject: HASS
Unit: Economics and Business
Period: Term 3

About This Topic

The relationship between consumers (those who buy) and producers (those who make) is the engine of the economy. This topic explores how these two groups interact in the marketplace. Students investigate what influences a consumer's choice, such as price, quality, advertising, and ethics, and how producers respond to these 'market signals' to decide what to create.

We also look at the role of competition. When multiple producers make similar products, they must compete for consumers, which usually leads to lower prices or better quality. This connects to curriculum themes of market behavior and decision-making. This topic comes alive when students can engage in 'Marketplace Simulations', taking on the roles of buyers and sellers to see how prices are set through negotiation.

Active Learning Ideas

Watch Out for These Misconceptions

Common MisconceptionProducers set whatever price they want.

What to Teach Instead

If the price is too high, consumers won't buy it. Marketplace simulations help students see that price is a 'negotiation' between what producers want to earn and what consumers are willing to pay.

Common MisconceptionAdvertising is always 'lying'.

What to Teach Instead

Advertising is about 'persuasion' and highlighting benefits. Peer analysis of ads helps students become 'critical consumers' who can see the difference between a fact and a marketing claim.

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Frequently Asked Questions

What is a consumer?
A consumer is a person or group that buys and uses goods and services to satisfy their needs and wants. Every time you buy a snack or pay for a bus ticket, you are acting as a consumer.
How does competition help consumers?
When businesses compete, they try to attract customers by lowering their prices, improving the quality of their products, or offering better service. This gives consumers more choice and better value for their money.
How can active learning help students understand markets?
By running a 'Classroom Marketplace', students feel the pressure of competition and the power of choice. They see first-hand how a price that is 'too high' results in no sales, which teaches them the law of supply and demand much better than a graph ever could.
What influences a consumer's decision?
Many factors, including the price, the quality of the product, their own personal 'tastes' or 'wants', the influence of advertising, and increasingly, the ethical or environmental reputation of the producer.

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