Economics 9708 · AS & A Level · Price elasticity of demand
Explain how economists use the concept of elasticity to tell apart substitute goods and complementary goods.
Discuss which measure of the different types of elasticity of demand is most useful to a business when it is setting the price of its product.
This 20-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Knowledge and understanding: a correct formula for cross elasticity of demand (shows % change in quantity and price of the two goods)” …