The table below shows the quantity supplied of a specific raw material by four different producers when the market price increases from £80 to £100. Over this price range, which producer, A, B, C or D, has unitary price elasticity of supply?
| Price | Producer A | Producer B | Producer C | Producer D |
|---|---|---|---|---|
| £80 | 200 | 200 | 200 | 200 |
| £100 | 220 | 250 | 300 | 200 |
Producer A
Producer B
Producer C
Producer D
256 exam-style questions on AQA A Level Economics 1.3 Price determination in a competitive market, covering 1.3.1 The determinants of the demand for goods and services, 1.3.2 Price, income and cross elasticities of demand, 1.3.3 The determinants of the supply of goods and services, 1.3.4 Price elasticity of supply, 1.3.5 The determination of equilibrium market prices, and 1.3.6 The interrelationship between markets. Each one has a worked solution and a mark scheme showing where the marks go.