CAIE A-Level Economics A2 7.3 Efficiency and Market Failure Questions

Practise applying productive, allocative, Pareto and dynamic efficiency tests and explaining market failure through externalities, information, public goods and market power.

Syllabus
2026–2028
Course
Economics 9708
Level
A2

Exam points

  • locate productive efficiency at minimum average cost or on the PPC and allocative efficiency at P=MC
  • apply a Pareto test by asking whether someone gains without anyone else becoming worse off
  • explain market failure when prices omit external effects, information or non-excludable benefits

Question 1

[Maximum number: 1]

The diagram shows a production possibility curve (LM) for an economy producing agricultural goods and manufacturing goods.

Figure for Question 1 — CAIE A-Level Economics A2

What can be concluded from the diagram?

A

The economy must be allocatively efficient at point R.

B

The economy is Pareto efficient at point T.

C

The economy is productively efficient at point S .

D

The opportunity cost is constant as we move from L to M.

Question 2

[Maximum number: 1]

The diagram shows the cost and revenue curves for a firm.

At which price does allocative efficiency occur?

Figure for Question 2 — CAIE A-Level Economics A2
A

A

Option A shown in diagram

Option A shown in diagram

B

B

Option B shown in diagram

Option B shown in diagram

C

C

Option C shown in diagram

Option C shown in diagram

D

D

Option D shown in diagram

Option D shown in diagram

Question 3

[Maximum number: 1]

What is most likely to lead to a Pareto-optimal outcome?

A

offering bulk-buy discounts to customers who join a loyalty scheme

B

switching labour from producing low-priced products to producing high-priced products

C

switching production from labour-intensive products to capital-intensive products

D

training low-skilled workers to operate machinery effectively

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