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Costs and economies of scale: OCR A‑Level Economics questions

Every OCR A-Level Economics exam question on 3.2 Costs and economies of scale, 2021–2025, with its mark scheme and examiner’s report.

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478 questions

  1. Q9

    June 2025 · Paper 3

    1 mark3.2 Costs and economies of scale
    The whole paper ↗
    June 2025 Paper 3, question 9: At what quantity of labour do diminishing returns set in? Units of Labour Total Product Marginal Product 1 5 5 2 12 7 3 20 8 4 26 6 5 28 2 6 27 –1 A 3 B 4 C 5 D
    Your answer

  2. Q7

    June 2024 · Paper 3

    1 mark3.2 Costs and economies of scale
    The whole paper ↗
    June 2024 Paper 3, question 7: Which point on the diagram represents the Minimum Efficient Scale (MES)? Costs LRAC O W X Y Z Quantity A W B X C Y D Z [1]
    Your answer

  3. Q5

    June 2023 · Paper 1

    25 marks3.2 Costs and economies of scale
    The whole paper ↗
    June 2023 Paper 1, question 5: 5* Aldi, a discount supermarket, entered the UK market for the first time in 1990. Since then it has expanded its operation and, in 2022, its market share was 9

  4. Q10

    June 2023 · Paper 3

    1 mark3.2 Costs and economies of scale
    The whole paper ↗
    June 2023 Paper 3, question 10: A firm experiences a shift in its long run average cost curve from LRAC1 to LRAC2 in the diagram. What is the most likely cause of this? Costs + LRAC1 revenues
    Your answer

  5. Q26

    June 2023 · Paper 3

    1 mark3.2 Costs and economies of scale
    The whole paper ↗
    June 2023 Paper 3, question 26: A firm produces 85 units of output. The fixed costs associated with running the business total £4000 with an average variable cost of £3.20. If average variable
    Your answer

  6. Q1(d)(i)

    June 2022 · Paper 1

    2 marks3.2 Costs and economies of scale
    The whole paper ↗
    June 2022 Paper 1, question 1(d)(i): Using the data in Fig. 2, explain how there are economies of scale in the global production of car batteries. [2]

  7. Q22

    June 2022 · Paper 3

    1 mark3.2 Costs and economies of scale
    The whole paper ↗
    June 2022 Paper 3, question 22: A firm is considering increasing its output from 239 to 240 units of a good. What is the marginal cost of doing this? Quantity Average Cost 238 £360 239 £356 24
    Your answer

  8. Q1(a)

    November 2021 · Paper 1

    2 marks3.3 Revenue and profit3.2 Costs and economies of scale
    The whole paper ↗
    November 2021 Paper 1, question 1(a): Refer to line 11. Calculate, using information from the stimulus material, the average cost of a seat on an easyJet plane in 2018. [2]

  9. Q3

    November 2021 · Paper 3

    1 mark3.2 Costs and economies of scale
    The whole paper ↗
    November 2021 Paper 3, question 3: What does point X on the diagram below represent? Costs LRAC X Output 0 A Constant returns to scale B Diseconomies of scale C Economies of scale D Minimum effic
    Your answer
All 9 questions on Costs and economies of scale, as a list
  1. June 2025, Paper 3, Q9 (1 mark): At what quantity of labour do diminishing returns set in? Units of Labour Total Product Marginal Product 1 5 5 2 12 7 3 20 8 4 26 6 5 28 2 6 27 –1 A 3 B 4 C 5 D
  2. June 2024, Paper 3, Q7 (1 mark): Which point on the diagram represents the Minimum Efficient Scale (MES)? Costs LRAC O W X Y Z Quantity A W B X C Y D Z [1]
  3. June 2023, Paper 1, Q5 (25 marks): 5* Aldi, a discount supermarket, entered the UK market for the first time in 1990. Since then it has expanded its operation and, in 2022, its market share was 9
  4. June 2023, Paper 3, Q10 (1 mark): A firm experiences a shift in its long run average cost curve from LRAC1 to LRAC2 in the diagram. What is the most likely cause of this? Costs + LRAC1 revenues
  5. June 2023, Paper 3, Q26 (1 mark): A firm produces 85 units of output. The fixed costs associated with running the business total £4000 with an average variable cost of £3.20. If average variable
  6. June 2022, Paper 1, Q1(d)(i) (2 marks): Using the data in Fig. 2, explain how there are economies of scale in the global production of car batteries. [2]
  7. June 2022, Paper 3, Q22 (1 mark): A firm is considering increasing its output from 239 to 240 units of a good. What is the marginal cost of doing this? Quantity Average Cost 238 £360 239 £356 24
  8. November 2021, Paper 1, Q1(a) (2 marks): Refer to line 11. Calculate, using information from the stimulus material, the average cost of a seat on an easyJet plane in 2018. [2]
  9. November 2021, Paper 3, Q3 (1 mark): What does point X on the diagram below represent? Costs LRAC X Output 0 A Constant returns to scale B Diseconomies of scale C Economies of scale D Minimum effic

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