With reference to the table below, calculate the three-firm concentration ratio for the offshore wind generation market in Sector Gamma. Show your workings and express your answer to two decimal places.
| Operator | Generation Capacity (MW) |
|---|---|
| VentiPower | 1480 |
| NordAura | 1220 |
| SolasEnergy | 960 |
| ZephyrGen | 340 |
| OceanBreeze | 210 |
| AeolusLtd | 180 |
| Independent local co-operatives | 690 |
92 exam-style questions on Edexcel A A Level Economics 3.4 Market structures, covering 3.4.1 Efficiency, 3.4.2 Perfect competition, 3.4.3 Monopolistic competition, 3.4.4 Oligopoly, 3.4.5 Monopoly, 3.4.6 Monopsony, and 3.4.7 Contestability. Each one has a worked solution and a mark scheme showing where the marks go.