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.

1state3 marks
2026vault
State what a negative value of XED indicates about two goods.
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24 marks
Define price elasticity of demand and explain the difference between elastic and inelastic demand.
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31 mark
Income elasticity of demand (YED) measures:
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4state3 marks
2026vault
State what a positive value of XED indicates about two goods.
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54 marks
Define price elasticity of demand and explain the difference between elastic and inelastic demand.
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6state3 marks
2026vault
State what a positive value of XED indicates about two goods.
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71 mark
Total revenue is calculated as:
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81 mark
Price elasticity of demand (PED) measures:
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9state3 marks
2026vault
State what is meant by an inferior good.
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101 mark
Total revenue is calculated as:
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11state3 marks
2026vault
State what is meant by a normal good.
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121 mark
If the cross elasticity of demand (XED) between goods A and B is −0.8, the goods are:
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13state3 marks
2026vault
State what a negative value of XED indicates about two goods.
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14state3 marks
2026vault
State what is meant by a normal good.
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151 mark
Price elasticity of demand (PED) measures:
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16state3 marks
2026vault
State what is meant by an inferior good.
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171 mark
Income elasticity of demand (YED) measures:
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181 mark
A good with a negative income elasticity of demand is classified as:
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191 mark
A good with a negative income elasticity of demand is classified as:
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201 mark
Which of the following goods is most likely to have price inelastic demand?
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