Practice question · Match the pairs
Match each determinant to the demand shift it causes for good X.
- Price of a substitute rises
- Price of a complement rises
- Buyers expect X to cost more next month
- X’s own price falls
- Movement along X’s curve
- X’s demand shifts right today
- X’s demand shifts right
- X’s demand shifts left
Hints
- Substitutes and complements push demand in opposite directions.
- Expectations move purchases between time periods rather than between goods.
Show the answer
- Price of a substitute rises → X’s demand shifts right
- Price of a complement rises → X’s demand shifts left
- Buyers expect X to cost more next month → X’s demand shifts right today
- X’s own price falls → Movement along X’s curve
Why
Substitutes push demand the same way their price moves; complements push it the opposite way; expectations move purchases through time; own price never shifts anything.
Practise The Demand Curve
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