Table 1 shows changes in four markets over five years.
| Market | Number of producers | Four largest firms' combined share | Customer switching |
|---|---|---|---|
| A | 8 to 6 | 65% to 72% | Became harder |
| B | 3 to 5 | 82% to 65% | Became easier |
| C | 12 to 12 | 40% to 45% | Unchanged |
| D | 5 to 4 | 70% to 78% | Became easier |
Using Table 1, which market shows the clearest overall movement towards greater competition?
Market A
Market B
Market C
Market D
149 exam-style questions on AQA GCSE Economics 1.5 Competitive and concentrated markets, covering 1.5.1a The range of market structures, 1.5.1b Distinguishing between market structures, 1.5.2a Characteristics of a competitive market, 1.5.2b How producers operate in competitive markets, 1.5.2c The economic impact of competition, 1.5.3a Characteristics of a non-competitive market, 1.5.3b How producers operate in non-competitive markets, 1.5.3c Monopoly and oligopoly, 1.5.4a The labour market and wage determination, and 1.5.4b Gross and net pay. Each one has a worked solution and a mark scheme showing where the marks go.