Demand is the
willingness and ability to buy a product at a given price over a period of time
quantity a producer is willing to sell at every price
amount consumers want regardless of whether they can pay
total revenue earned from selling a product
82 exam-style questions on OCR GCSE Economics 2.2 Demand, covering 2.2.1 What is demand, 2.2.2 Draw a demand curve using data, 2.2.3 Explain a demand curve, 2.2.4 Shifts and movements of the demand curve, 2.2.5 Causes and consequences of demand changes, 2.2.6 Price elasticity of demand, 2.2.7 Draw demand curves of different elasticity, and 2.2.8 Importance of price elasticity of demand. Each one has a worked solution and a mark scheme showing where the marks go.