CCEA A-Level Business 3210
Enterprise and Entrepreneurship
The Central Purpose of Business Activity
Forms of Business Ownership
Stakeholder Groups
Markets and Market Forces
Quality Management
Productivity and Investment
Organisational Design
Investing in People
Motivation
Principles of Management and Leadership
Market Size, Share and Growth
The Degree of Competition in a Market
Market Research
The Marketing Mix
Elasticity of Demand
The Product Life Cycle
Market Planning and Strategy
E-Business and E-Commerce
Sources of Finance
Break-Even Analysis
Cash Flow
Cash Flow Forecasts
Budgeting
Financial Statements
Business Objectives
Organisational Culture
Stakeholder Objectives
Communication
Economies and Diseconomies of Scale
Business Strategy and Planning
Decision Tree Analysis
Risk and Uncertainty
Company Accounts
Ratio Analysis
Investment Appraisal
The Macroeconomic Framework
Government Policies
Globalisation
Business Ethics and Organisational Culture
Sustainability
Corporate Social Responsibility
The Influence of Stakeholder Groups
Organisational Structures
Monopolies, Mergers, Takeovers and Restrictive Practices
Change Management
Elasticity of Demand
Calculating and interpreting price elasticity, and what determines it
- 3 things to know
- Unit AS 2
Overview
Formula for price elasticity of demand and price elasticity of demand of zero.
What you need to know
Answer each one before you reveal it.
State the formula for price elasticity of demand.
Why is the value of price elasticity of demand normally negative?
Questions from this subtopic
Each one with the model answer underneath.
- 1
State the formula for price elasticity of demand.
Model answer
Price elasticity of demand = percentage change in quantity demanded ÷ percentage change in price.
- 2
Why is the value of price elasticity of demand normally negative?
Model answer
Price and quantity demanded move in opposite directions, so one percentage change is positive while the other is negative; the sign is usually ignored and the size of the value used.
- 3
What range of values indicates that demand is price elastic?
Model answer
A value greater than 1, ignoring the sign, because quantity demanded changes proportionately more than price.
- 4
What does a price elasticity value of exactly 1 mean?
Model answer
Demand is unitary elastic: quantity demanded changes by the same percentage as price, so total revenue is unchanged.
- 5
What does a price elasticity of demand of zero mean?
Model answer
Demand is perfectly inelastic, so the quantity bought does not change at all when the price changes.
- 6
A 10% rise in price causes quantity demanded to fall by 25%. Calculate the price elasticity of demand and state what it shows.
Model answer
Price elasticity of demand = −25 ÷ 10 = −2.5, so demand is price elastic and the price rise will reduce total revenue.
Other ways to work this
The same content, four other ways.
What is inside Levo
Six ways to work the same material.
Every question in Elasticity of Demand, on a schedule.
Attempt a question from memory, write the correct version, then attempt it again. Levo records the jump between your first attempt and your last, and brings each question back on the day you are due to forget it.
Or £46 a year, about £3.83 a month. Cancel anytime.