A-LevelEconomicsThe price system and the microeconomy9708/12 · May/June 2017 · Q51 Mark
How would an economist establish the market demand curve for a private good?
Aby adding consumer surplus to total expenditure
Bby combining individual demand curves horizontally
Cby combining the price elasticity of individual demands
Dby multiplying price by quantity demanded
✓ Correct answer
B: by combining individual demand curves horizontally
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