A-LevelEconomicsThe price system and the microeconomy9708/12 · May/June 2014 · Q71 Mark
If the elasticity of demand for a commodity is unity, an increase in its price will
Adecrease the quantity purchased.
Bhave no effect on consumer surplus.
Cincrease total expenditure on the commodity.
Dleave the quantity purchased unchanged.
✓ Correct answer
A: decrease the quantity purchased.
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