Researchers recorded the following information about four local services at the beginning and end of a five-year period.
| Market | Number of producers | Four largest firms' combined share | Customer comparison of alternatives |
|---|---|---|---|
| Boat repair | 8 to 6 | 58% to 69% | Became easier |
| Laundry services | 4 to 6 | 100% to 75% | Became easier |
| Locksmith services | 10 to 7 | 44% to 60% | Became harder |
| Furniture restoration | 5 to 5 | 85% to 88% | Unchanged |
Which market's sellers are most likely to have gained greater freedom over the prices they charge?
Locksmith services
Furniture restoration
Laundry services
Boat repair
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.