AQA A-Level Business 7132
What Is Business?
Managers, Leadership and Decision Making
Marketing Management
Operational Management
Financial Management
Human Resource Management
Analysing the Strategic Position of a Business
Choosing Strategic Direction
Strategic Methods: How to Pursue Strategies
Managing Strategic Change
Problems with Strategy and Why Strategies Fail
Marketing Management
Price and income elasticity of demand
- 2 things to know
- Papers 1, 2 and 3
Overview
Interpreting PED and YED values, what elastic and inelastic mean, and how each informs a pricing decision.
What you need to know
Answer each one before you reveal it.
What does a positive income elasticity of demand indicate about a product?
Questions from this subtopic
Each one with the model answer underneath.
- 1
What does price elasticity of demand measure?
Model answer
The responsiveness of quantity demanded to a change in price.
- 2
What does it mean if demand is price elastic?
Model answer
Quantity demanded changes by a greater proportion than the change in price, with a PED value greater than one.
- 3
What does it mean if demand is price inelastic?
Model answer
Quantity demanded changes by a smaller proportion than the change in price, with a PED value less than one.
- 4
Explain why a price reduction increases total revenue when demand is price elastic.
Model answer
The gain in sales volume outweighs the lower price per unit, so total revenue rises.
- 5
Explain why a price increase raises total revenue when demand is price inelastic.
Model answer
The fall in quantity demanded is proportionally smaller than the price rise, so total revenue increases.
- 6
What does income elasticity of demand measure?
Model answer
The responsiveness of quantity demanded to a change in consumer income.
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