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.

11 mark
Price elasticity of demand (PED) measures:
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21 mark
If the cross elasticity of demand (XED) between goods A and B is −0.8, the goods are:
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31 mark
Total revenue is calculated as:
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44 marks
Define price elasticity of demand and explain the difference between elastic and inelastic demand.
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5state3 marks
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State what is meant by a normal good.
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6state3 marks
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State what a negative value of XED indicates about two goods.
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7state3 marks
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State what a positive value of XED indicates about two goods.
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84 marks
Define price elasticity of demand and explain the difference between elastic and inelastic demand.
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91 mark
Income elasticity of demand (YED) measures:
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101 mark
A good with a negative income elasticity of demand is classified as:
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111 mark
Income elasticity of demand (YED) measures:
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12state3 marks
2026vault
State what is meant by an inferior good.
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131 mark
Total revenue is calculated as:
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14state3 marks
2026vault
State what a positive value of XED indicates about two goods.
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151 mark
Price elasticity of demand (PED) measures:
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16state3 marks
2026vault
State what is meant by a normal good.
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17state3 marks
2026vault
State what is meant by an inferior good.
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18state3 marks
2026vault
State what a negative value of XED indicates about two goods.
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191 mark
A good with a negative income elasticity of demand is classified as:
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201 mark
If the price of a good rises by 10% and the quantity demanded falls by 20%, the PED is:
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