CAIE A-Level Economics AS 3.2 Methods and Effects of Government Intervention in Markets Questions

Practise analysing indirect taxes, subsidies, price controls, buffer stocks, direct provision and information through market diagrams, incidence and stakeholder effects.

Syllabus
2026–2028
Course
Economics 9708
Level
AS

Exam points

  • select the intervention that shifts demand, shifts supply or fixes price in the stated market
  • draw the policy effect and calculate shortages, surpluses, incidence, revenue or expenditure
  • evaluate effectiveness through elasticity, administration, storage, information and stakeholder impacts

Question 1

[Maximum number: 1]

The diagram shows the effect of an indirect tax imposed on cigarettes. The market is initially in equilibrium at point X.

Figure for Question 1 — CAIE A-Level Economics AS

Which area represents the incidence of the tax on consumers?

A

P1ZYP2\mathrm{P}_{1} \mathrm{ZYP}_{2}

B

P1ZWPe\mathrm{P}_{1} \mathrm{ZWP}{ }_{\mathrm{e}}

C

PeWYP2\mathrm{P}_{\mathrm{e}} \mathrm{WYP}_{2}

D

PeXZP1\mathrm{P}_{\mathrm{e}} \mathrm{XZP}_{1}

Question 2

[Maximum number: 20]

Question (a)

(a)

With the help of an example of each, explain the difference between a merit good and a demerit good and consider whether a subsidy given to a merit good will always be effective in increasing its consumption.

[ 8 ]

Question (b)

(b)

Assess whether fixing a minimum price is likely to be the best policy to reduce the consumption of a demerit good.

[ 12 ]

Question 3

[Maximum number: 1]

A government decides to remove fees for higher education provided by the public sector and the private sector.

What is the consequence of this policy?

A

Higher education is less likely to be provided by the private sector.

B

Resources in higher education will be allocated through the price mechanism.

C

The demand for higher education will be perfectly elastic when the price is zero.

D

The opportunity cost of higher education to students will be zero.

Question 4

[Maximum number: 8]

With the help of an example of each, explain the difference between a merit good and a demerit good and consider whether a subsidy given to a merit good will always be effective in increasing its consumption.

Question 5

[Maximum number: 12]

Assess whether fixing a minimum price is likely to be the best policy to reduce the consumption of a demerit good.

Question 6

[Maximum number: 1]

The table shows the market demand and market supply for kiwifruit over a year.
At a market price of $ 3 per kg there is disequilibrium in the market.

Table for Question 6 — CAIE A-Level Economics AS

Which action would the government have to take to achieve market equilibrium at a price of $ 3 per kg?

A

impose an indirect tax of $ 2 per kg on kiwifruit

B

purchase the entire supply at $ 3 per kg and sell at $ 2 per kg

C

set a maximum price of $ 3 per kg

D

subsidise kiwifruit production by $ 2 per kg

Question 7

[Maximum number: 1]

Too much sugar causes an increase in a consumer's weight. A government has introduced a 'sugar tax' on the consumption of soft drinks that have a high sugar content.

How might this policy help to reduce the number of overweight people?

A

Consumers switch to cheaper brands of soft drink with a high sugar content.

B

Consumers switch to other high-sugar substitute goods, such as alcohol or sweets.

C

The price elasticity of demand for soft drinks is inelastic.

D

The tax revenue is spent on education about the dangers of soft drink consumption.

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