Table 1 shows an index of labour productivity per worker-hour for an aerospace components manufacturing workshop.
| Year | Index of labour productivity per worker-hour |
|---|---|
| 2019 | 104.8 |
| 2020 | 97.2 |
| 2021 | 100.0 |
| 2022 | 102.5 |
| 2023 | 95.1 |
Which one of the following statements must be true?
The total volume of aerospace components manufactured in 2019 was greater than in 2022.
The average output produced per worker-hour was higher in 2022 than in 2020.
The workshop employed fewer assembly-line workers in 2023 than in 2020.
The workshop achieved maximum efficiency in 2021 because the index value was exactly 100.0100.0100.0.
156 exam-style questions on AQA A Level Economics 1.4 Production, costs and revenue, covering 1.4.1 Production and productivity, 1.4.2 Specialisation, division of labour and exchange, 1.4.3 The law of diminishing returns and returns to scale (A-level only), 1.4.4 Costs of production, 1.4.5 Economies and diseconomies of scale, 1.4.6 Marginal, average and total revenue, 1.4.7 Profit, and 1.4.8 Technological change (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.