Exam-style question
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Which answer best protects the boundary tested by supply? Variation 2: Explain AQA section 3.1.3.3 The determinants of the supply of goods and services.
- A.Distinguish supply from the nearest misconception, then use price, quantity, incentives or welfare to explain the economic consequence.
- B.A tax shifts demand rather than affecting supply incentives and costs.
- C.Regulation is the same policy as a subsidy because both involve government.
- D.Give a definition of supply only, without application, chain of analysis, evaluation or judgement.
Model answer
What a good answer should say
- 3.1.3.3 The Determinants of the Supply of Goods MCQ 2: The correct answer is Distinguish supply from the nearest misconception, then use price, quantity, incentives or welfare to explain the economic consequence...
- This choice fits the microeconomic market analysis required by the learning objective.
Explanation
Why this works
3.1.3.3 The Determinants of the Supply of Goods is tested here through the prompt: "Which answer best protects the boundary tested by supply? Variation 2: Explain AQA section 3.1.3.3 The determinants of".
The correct option is "The correct answer is Distinguish supply from the nearest misconception, then use price, quantity, incentives or welfare to explain the economic consequence.." because it keeps the answer anchored to The Determinants of the Supply of Goods rather than a nearby misconception. The reasoning chain is: define the concept, apply it to Individuals, firms, markets and market failure, identify the economic mechanism, and check the consequence against consumer surplus, producer incentives, efficiency and equity.
A tempting distractor usually confuses a change in demand with quantity demanded, analysis with evaluation, or a short-run effect with a long-run judgement. For AQA Economics 7136, the best choice is the one that preserves the cause, transmission mechanism and consequence without adding an unsupported policy claim.
Common mistake
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