Unit 2: Microeconomics
Topic 2.5: Elasticity of Demand Questions
Practice 20 exam-style questions for IB Economics Topic 2.5. Review the question stems below, then unlock the full Question Bank to access markschemes, model answers, and AI grading.
21 mark
If the cross elasticity of demand (XED) between goods A and B is −0.8, the goods are:
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Define price elasticity of demand and explain the difference between elastic and inelastic demand.
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2026• vault
State what is meant by a normal good.
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State what a negative value of XED indicates about two goods.
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State what a positive value of XED indicates about two goods.
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Define price elasticity of demand and explain the difference between elastic and inelastic demand.
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A good with a negative income elasticity of demand is classified as:
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Income elasticity of demand (YED) measures:
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State what is meant by an inferior good.
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State what a positive value of XED indicates about two goods.
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State what is meant by a normal good.
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2026• vault
State what is meant by an inferior good.
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2026• vault
State what a negative value of XED indicates about two goods.
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A good with a negative income elasticity of demand is classified as:
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If the price of a good rises by 10% and the quantity demanded falls by 20%, the PED is:
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