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4.2 Types of trade protection

Practice exam-style IB Economics questions for Types of trade protection, aligned with the syllabus and grouped by topic.

Verified by Rishabh
Verified by Rishabh
Paper
Difficulty
Status
Level
Question 1
SL • Paper 2
Medium
Calculator Permitted
SL • Paper 2
Medium
Calculator Permitted

Estara’s safety rules for imported toys

Read the extracts and answer the questions that follow.

Text A — New product requirements

  1. Estara requires every imported toy to undergo domestic laboratory testing and carry labels in three languages. The government describes these measures as necessary safety standards. Foreign firms must pay a fixed testing fee for each product design.

  2. Domestic toy firms already use Estaran laboratories and are exempt from repeat testing. Overseas suppliers therefore describe the rules as an administrative barrier that discriminates against imports.

Text B — Effects on competition

  1. Several small foreign firms have withdrawn from Estara. Imported toy prices have risen, and consumers face less variety. Domestic firms have expanded sales but now face weaker pressure to reduce costs or improve quality.

  2. The government states that inspections have reduced the number of unsafe toys. It is considering recognizing equivalent foreign safety certificates, which would reduce duplicated testing while maintaining safety requirements.

Table 1 — Imported toy varieties

Toy varieties available in Estara before and after the safety rules.

Toy variety sourceBefore rulesAfter rules
Imported toys1200900
Domestic toysNot statedNot stated

Table 2 — Average imported toy price

Average price of an imported toy before and after the rules.

PeriodAverage imported toy price / estaras
Before the rules24
After the rules30
A
I.

Define the term standard indicated in bold (Text A, paragraph 1).

[2]
II.

Define the term administrative barrier indicated in bold (Text A, paragraph 2).

[2]
B
I.

Using Table 1, calculate the percentage decrease in the number of imported toy varieties.

[3]
II.

Using Table 2, calculate the percentage increase in the average price of an imported toy.

[2]
C

Using a demand and supply diagram, explain how the testing requirements may affect the market for imported toys (Text A).

[4]
D

Using a demand and supply diagram, explain how the rules may affect Estara’s domestic toy producers (Text B, paragraph 1).

[4]
E

Using a market-failure diagram, explain how genuine safety standards may improve resource allocation (Text B, paragraph 2).

[4]
F

Using a demand and supply diagram, explain how recognizing equivalent foreign certificates could affect imported toy prices (Text B, paragraph 2).

[4]
G

Using information from the texts/data and your knowledge of economics, discuss whether Estara’s toy standards are legitimate regulation or disguised trade protection.

[15]
Question 2
SL • Paper 1
Hard
Non Calculator
SL • Paper 1
Hard
Non Calculator

A

Using a tariff diagram, explain how the imposition of a tariff affects the market for an imported good.

[10]
B

Using real-world examples, evaluate the consequences of tariffs for the stakeholders in an importing country.

[15]
Question 3
SL • Paper 2
Hard
Calculator Permitted
SL • Paper 2
Hard
Calculator Permitted

Norland’s tariff on imported steel

Read the extracts and answer the questions that follow.

Text A — The steel market

  1. Norland imports most of the steel used by its construction and machinery industries. Following an increase in imports, the government imposed a tariff of 30 norins per tonne of imported steel. Domestic steel production subsequently increased, while steel consumption and imports decreased.

  2. Domestic steel producers and their workers welcomed the policy. However, construction firms reported higher input costs, and some postponed investment projects. The government receives revenue from steel that continues to be imported.

Text B — Reviewing the policy

  1. Consumer organizations argue that the tariff has reduced consumer surplus. Economists also estimate that the policy creates production and consumption inefficiencies because some lower-cost imports have been replaced by higher-cost domestic production.

  2. The government is considering replacing the tariff with a production subsidy for domestic steel firms. Under this proposal, imported steel would remain available at the world price.

Table 1 — Norland’s steel market

Norland’s steel market before and after the tariff.

Steel imports / tonnesBefore tariffDomestic steel consumption / tonnes
Steel imports [tonnes]600 000420 000
Domestic steel consumption [tonnes]—900 000

Table 2 — Steel import expenditure

Annual expenditure on imported steel in Norland before and after the tariff.

PeriodImport expenditure / million norins
Before tariff72
After tariff63
A
I.

Define the term tariff indicated in bold (Text A, paragraph 1).

[2]
II.

Define the term consumer surplus indicated in bold (Text B, paragraph 1).

[2]
B
I.

Using Table 1, calculate the percentage decrease in steel imports following the tariff.

[3]
II.

Using Table 2, calculate the change in annual expenditure on imported steel following the tariff.

[2]
C

Using an international trade tariff diagram, explain the effect of the tariff on Norland’s steel imports (Text A, paragraph 1).

[4]
D

Using a demand and supply diagram, explain how the tariff may affect Norland’s construction market (Text A, paragraph 2).

[4]
E

Using an AD/AS diagram, explain how the postponement of investment projects may affect Norland’s real output (Text A, paragraph 2).

[4]
F

Using an international trade production-subsidy diagram, explain how the proposed subsidy would affect steel consumers and imports (Text B, paragraph 2).

[4]
G

Using information from the texts/data and your knowledge of economics, discuss whether a tariff or a production subsidy would be the more appropriate way to protect Norland’s domestic steel producers.

[15]
Question 4
SL • Paper 2
Hard
Calculator Permitted
SL • Paper 2
Hard
Calculator Permitted

Bellara’s rice import quota

Read the extracts and answer the questions that follow.

Text A — Restrictions on imported rice

  1. Bellara’s government has imposed an import quota on rice. Before the restriction, imported rice was available at a price below the production costs of many domestic farms. The quota has raised the domestic price and expanded domestic rice production.

  2. Import licences are allocated free of charge to a small number of domestic wholesalers. These firms can purchase rice at the world price and sell it at Bellara’s higher domestic price, thereby receiving a quota rent.

Text B — Effects of the quota

  1. Household groups report that lower-income families spend a large proportion of their income on rice and have been especially affected by the higher price. Some restaurants have also increased their prices.

  2. The government is considering auctioning the licences instead. Economists argue that this would transfer the quota rent to the government, although the higher rice price and the two efficiency losses would remain.

Table 1 — Annual rice imports

Annual rice imports and domestic consumption in Bellara

MeasureBefore quotaUnder quota
Rice imports / tonnes per year500 000320 000
Domestic rice consumption / tonnes per yearNot stated800 000

Table 2 — Household rice expenditure

Average monthly household expenditure on rice before and after the import quota.

PeriodAverage monthly expenditure / bellars
Before quota40
After quota52
A
I.

Define the term import quota indicated in bold (Text A, paragraph 1).

[2]
II.

Define the term quota rent indicated in bold (Text A, paragraph 2).

[2]
B
I.

Using Table 1, calculate the percentage decrease in annual rice imports caused by the quota.

[3]
II.

Using Table 2, calculate the percentage increase in average monthly household expenditure on rice.

[2]
C

Using an international trade quota diagram, explain how the quota affects Bellara’s rice price, production and consumption (Text A, paragraph 1).

[4]
D

Using a demand and supply diagram, explain how the quota may affect the market for restaurant meals (Text B, paragraph 1).

[4]
E

Using a Lorenz curve diagram, explain how the rice quota could increase income inequality in Bellara (Text B, paragraph 1).

[4]
F

Using the international trade quota diagram, explain how auctioning the import licences would affect the distribution of quota rent (Text B, paragraph 2).

[4]
G

Using information from the texts/data and your knowledge of economics, evaluate the effects of Bellara’s rice import quota on its stakeholders and economic welfare.

[15]

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Question 5
SL • Paper 2
Hard
Calculator Permitted
SL • Paper 2
Hard
Calculator Permitted

Costavia’s subsidy for solar-panel producers

Read the extracts and answer the questions that follow.

Text A — Supporting domestic production

  1. Costavia imports most of its solar panels at the world price. Its government has introduced a subsidy for every panel produced domestically. The payment lowers domestic firms’ effective production costs, while consumers continue to buy panels at the world price.

  2. Domestic production and employment have increased, and imports have fallen. However, the subsidy creates an opportunity cost because government funds could have been used for schools or public transport.

Text B — Market effects

  1. Economists estimate that the subsidy creates a welfare loss by encouraging some panels to be produced domestically at a resource cost greater than the cost of importing them. Unlike a tariff, it does not create a consumption distortion while imports remain available at the world price.

  2. The government is considering an administrative rule requiring imported panels to complete additional certification. Small foreign suppliers argue that its fixed compliance costs would make exporting to Costavia unprofitable.

Table 1 — Domestic solar-panel output

Annual domestic solar-panel output and consumption in Costavia.

MeasureBefore subsidyAfter subsidy
Domestic output / panels per year150 000210 000
Domestic consumption / panels per year—500 000

Table 2 — Government budget

Annual government spending in Costavia.

Spending itemAnnual amount / million costas
Solar-panel production subsidy12.6
Total government spending630
A
I.

Define the term subsidy indicated in bold (Text A, paragraph 1).

[2]
II.

Define the term welfare loss indicated in bold (Text B, paragraph 1).

[2]
B
I.

Using Table 1, calculate the percentage increase in domestic solar-panel output following the subsidy.

[3]
II.

Using Table 2, calculate subsidy spending as a percentage of total government spending.

[2]
C

Using an international trade production-subsidy diagram, explain the effect of the subsidy on domestic output and imports (Text A, paragraphs 1–2).

[4]
D

Using a PPC diagram, explain the opportunity cost of government spending on the subsidy (Text A, paragraph 2).

[4]
E

Using a labour-market diagram, explain how the subsidy may increase employment in domestic solar-panel production (Text A, paragraph 2).

[4]
F

Using a demand and supply diagram, explain how the proposed certification requirement could affect imported solar panels (Text B, paragraph 2).

[4]
G

Using information from the texts/data and your knowledge of economics, discuss the consequences of Costavia’s production subsidy for its stakeholders and economic welfare.

[15]
Question 6
SL • Paper 2
Hard
Calculator Permitted
SL • Paper 2
Hard
Calculator Permitted

Deltora’s export subsidy for dairy products

Read the extracts and answer the questions that follow.

Text A — Expanding dairy exports

  1. Deltora is a small exporter of cheese. The government pays an export subsidy for every tonne sold abroad. Dairy firms can therefore obtain the world price plus the subsidy and will not sell domestically for less than this amount.

  2. The policy has increased domestic cheese production and exports but reduced domestic consumption. Local households now pay a higher cheese price, while the government finances payments on all subsidized exports.

Text B — International effects

  1. Farmers in neighbouring countries claim that subsidized Deltoran exports reduce their market share. Their governments are considering retaliatory tariffs.

  2. Economists argue that the subsidy reduces Deltora’s economic welfare because gains to producers are outweighed by consumer losses and government expenditure. Environmental groups also associate expanded dairy output with greater water pollution.

Table 1 — Deltora’s cheese exports

Deltora’s annual cheese exports before and after the export subsidy.

PeriodCheese exports / tonnes per year
Before export subsidy80 000
After export subsidy116 000

Table 2 — Domestic cheese prices

Domestic cheese prices in Deltora before and after the export subsidy.

PeriodDomestic cheese price / delts per kg
Before subsidy5
After subsidy6
A
I.

Define the term export subsidy indicated in bold (Text A, paragraph 1).

[2]
II.

Define the term economic welfare indicated in bold (Text B, paragraph 2).

[2]
B
I.

Using Table 1, calculate the percentage increase in Deltora’s cheese exports.

[3]
II.

Using Table 2, calculate the percentage increase in the domestic cheese price.

[2]
C

Using an international trade export-subsidy diagram, explain the effect of the subsidy on Deltora’s cheese production, consumption and exports (Text A).

[4]
D

Using a demand and supply diagram, explain how the subsidy affects domestic cheese consumers (Text A, paragraph 2).

[4]
E

Using a negative production externality diagram, explain how expanded dairy production may create market failure (Text B, paragraph 2).

[4]
F

Using an international trade tariff diagram, explain how a retaliatory tariff could affect Deltora’s cheese exports (Text B, paragraph 1).

[4]
G

Using information from the texts/data and your knowledge of economics, evaluate Deltora’s use of an export subsidy for cheese.

[15]
Question 7
HL • Paper 3
Hard
Calculator Permitted
HL • Paper 3
Hard
Calculator Permitted

A production subsidy for solar panels in Belesia

Belesia imports solar panels at a world price of 400 belars per panel. To encourage domestic production, the government is considering a subsidy of 100 belars for every panel produced by a domestic firm. Table 1 shows the expected market effects.

Table 1

Belesian solar-panel market before and after a domestic production subsidy, with assumptions for welfare calculations.

Market measureWorld/consumer price / belars per panelProduction subsidy / belars per panel
World/consumer price [belars per panel]400400
Production subsidy [belars per panel]0100
Price received by domestic producers [belars per panel]400500
Domestic production [panels per year]30 00055 000
Domestic consumption [panels per year]120 000120 000
Imports [panels per year]90 00065 000
Supply-curve assumptionOriginal domestic supply curve is linear from 30 000 to 55 000 panelsOriginal domestic supply curve is linear from 30 000 to 55 000 panels
Static welfare assumptionExternal benefits and external costs excludedExternal benefits and external costs excluded

For parts (iv) and (v), assume that the original domestic supply curve is linear over the range from 30 000 to 55 000 panels and that the static welfare calculation excludes external benefits and external costs. In part (b), evaluate any wider benefits separately.

Domestic firms argue that the subsidy will increase output without raising the price paid by households. The finance ministry is concerned about the fiscal cost and the opportunity cost of using government funds. Foreign producers are concerned about losing sales in Belesia.

A
I.

Define the term subsidy.

[2]
II.

Using Table 1, calculate the change in annual imports of solar panels.

[3]
III.

Calculate the annual government expenditure on the production subsidy.

[2]
IV.

Calculate the gain in producer surplus resulting from the subsidy.

[3]
V.

Calculate the welfare loss resulting from the production subsidy.

[2]
VI.

Draw a fully labelled international trade diagram showing the effect of the production subsidy on the Belesian solar-panel market.

[4]
VII.

Using the data, explain the effects of the subsidy on consumers and foreign solar-panel producers.

[4]
B

Using the text/data provided and your knowledge of economics, recommend whether the government of Belesia should introduce the production subsidy for domestic solar-panel firms.

[10]
Question 8
SL • Paper 1
Hard
Non Calculator
SL • Paper 1
Hard
Non Calculator

A

Using a diagram, explain how an import quota affects domestic price, production, consumption and imports.

[10]
B

Using real-world examples, discuss how the allocation of import licences affects the consequences of an import quota.

[15]

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Question 9
SL • Paper 1
Hard
Non Calculator
SL • Paper 1
Hard
Non Calculator

A

Assuming a small open economy, a constant per-unit production subsidy and that imports continue after the subsidy, use a diagram to explain the effects of the subsidy granted to domestic firms that compete with imports.

[10]
B

Using real-world examples, evaluate the use of production subsidies as a form of trade protection.

[15]
Question 10
SL • Paper 1
Hard
Non Calculator
SL • Paper 1
Hard
Non Calculator

A

Using a diagram, explain how an export subsidy affects an exporting country's domestic market.

[10]
B

Using real-world examples, discuss the view that export subsidies benefit domestic producers at the expense of other stakeholders.

[15]
Question 11
SL • Paper 1
Hard
Non Calculator
SL • Paper 1
Hard
Non Calculator

A

Using a diagram, explain how product standards and regulations may act as administrative barriers to trade.

[10]
B

Using real-world examples, evaluate whether standards and regulations should be regarded as trade protection rather than legitimate public policy.

[15]
Question 12
SL • Paper 2
Hard
Calculator Permitted
SL • Paper 2
Hard
Calculator Permitted

Faronia’s protection of footwear producers

Read the extracts and answer the questions that follow.

Text A — A tariff on footwear

  1. Faronia imposed a 20% tariff on imported footwear. Retail prices increased and imports fell, while domestic firms expanded production. Some firms import leather and machinery, so they receive little benefit from the policy when imported inputs become more expensive.

  2. The government collects tariff revenue, but consumer groups argue that the policy reduces consumer surplus and creates two efficiency losses.

Text B — Alternative protection

  1. Domestic producers have proposed replacing the tariff with an import quota. They expect a quota to provide more certainty about the maximum quantity imported. The government has not decided whether licences would be auctioned or allocated free to importers.

  2. Economists warn that a quota may be less transparent and encourage firms to spend resources lobbying for licences. A production subsidy would not increase the footwear price but would require government expenditure.

Table 1 — Imported footwear

Annual footwear imports and domestic consumption in Faronia.

PeriodFootwear imports / million pairsDomestic consumption / million pairs
Before tariff1020
After tariff7.518

Table 2 — Retail footwear price index

Retail footwear price index before and after the tariff.

PeriodRetail footwear price index
Before tariff100
After tariff112
A
I.

Define the term tariff indicated in bold (Text A, paragraph 1).

[2]
II.

Define the term import quota indicated in bold (Text B, paragraph 1).

[2]
B
I.

Using Table 1, calculate the percentage decrease in footwear imports following the tariff.

[3]
II.

Using Table 2, calculate the percentage increase in the retail footwear price index.

[2]
C

Using an international trade tariff diagram, explain the tariff’s effect on footwear consumers and producers (Text A).

[4]
D

Using a demand and supply diagram, explain how higher prices for imported inputs could affect domestic footwear production (Text A, paragraph 1).

[4]
E

Using an international trade quota diagram, explain how a binding quota would affect footwear imports (Text B, paragraph 1).

[4]
F

Using an international trade production-subsidy diagram, explain why a production subsidy would affect consumers differently from the tariff (Text B, paragraph 2).

[4]
G

Using information from the texts/data and your knowledge of economics, evaluate whether Faronia should use a tariff, an import quota or a production subsidy to protect its footwear industry.

[15]

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Question 13
HL • Paper 2
Hard
Calculator Permitted
HL • Paper 2
Hard
Calculator Permitted

Galena’s tariff on imported fertilizer

Read the extracts and answer the questions that follow.

Text A — Fertilizer protection

  1. Galena imposed a specific tariff on imported fertilizer to support a small domestic fertilizer industry. Domestic fertilizer producers expanded output, but farmers now pay a higher price and use less fertilizer.

  2. Lower fertilizer use has reduced crop yields. Food processors also report higher prices for agricultural inputs, while the government receives tariff revenue from remaining imports.

Text B — Policy alternatives

  1. Agricultural associations propose replacing the tariff with a domestic production subsidy. Consumers would then continue paying the world price while domestic fertilizer output increased.

  2. Economists emphasize that producer surplus gained by fertilizer firms should be compared with consumer losses, fiscal effects and the inefficient use of resources. The government is also considering technical standards for fertilizer purity.

Table 1 — Fertilizer imports and use

Fertilizer imports and use in Galena before and after the tariff.

PeriodFertilizer imports / tonnesTotal fertilizer use / tonnes
Before tariff240 000—
After tariff168 000300 000

Table 2 — Crop-yield index

Galena’s crop-yield index before and after the fertilizer tariff.

PeriodCrop-yield index
Before tariff125
After tariff115
A
I.

Define the term tariff indicated in bold (Text A, paragraph 1).

[2]
II.

Define the term producer surplus indicated in bold (Text B, paragraph 2).

[2]
B
I.

Using Table 1, calculate the percentage decrease in fertilizer imports following the tariff.

[3]
II.

Using Table 2, calculate the percentage decrease in Galena’s crop-yield index.

[2]
C

Using an international trade tariff diagram, explain the effect of the tariff on Galena’s fertilizer market (Text A, paragraph 1).

[4]
D

Using a demand and supply diagram, explain how the fertilizer tariff may affect Galena’s agricultural output (Text A, paragraph 2).

[4]
E

Using an AD/AS diagram, explain how the tariff may affect Galena’s general price level (Text A, paragraph 2).

[4]
F

Using an international trade production-subsidy diagram, explain the proposed alternative to the fertilizer tariff (Text B, paragraph 1).

[4]
G

Using information from the texts/data and your knowledge of economics, discuss whether Galena should replace its fertilizer tariff with a production subsidy.

[15]
Question 14
HL • Paper 2
Hard
Calculator Permitted
HL • Paper 2
Hard
Calculator Permitted

Hesperia’s quota on electric vehicles

Read the extracts and answer the questions that follow.

Text A — Restricting vehicle imports

  1. Hesperia limits annual imports of electric vehicles using a binding quota. The domestic price has risen above the world price, domestic vehicle production has increased and consumers purchase fewer electric vehicles.

  2. Import licences are given to foreign manufacturers. These firms receive the difference between the higher Hesperian price and the world price as quota rent, so part of the income generated by the restriction leaves Hesperia.

Text B — Wider effects

  1. Environmental groups argue that slower adoption of electric vehicles increases demand for petrol vehicles and urban air pollution. Domestic manufacturers state that the quota gives them predictable market access.

  2. The government is considering auctioning licences or replacing the quota with a tariff. Either policy could provide government revenue, although consumers would continue to face a higher price if protection remained equivalent.

Table 1 — Electric-vehicle imports

Table 1: Electric-vehicle imports and domestic production

MeasureNumber of vehicles / year
Electric-vehicle imports before quota90 000
Binding quota: permitted imports54 000
Domestic EV production after quota36 000

Table 2 — Electric-vehicle registrations

Annual electric-vehicle registrations in Hesperia before and after the import quota.

PeriodNumber of registrations / year
Before quota120 000
After quota90 000
A
I.

Define the term quota indicated in bold (Text A, paragraph 1).

[2]
II.

Define the term quota rent indicated in bold (Text A, paragraph 2).

[2]
B
I.

Using Table 1, calculate the percentage decrease in electric-vehicle imports caused by the quota.

[3]
II.

Using Table 2, calculate the percentage decrease in annual electric-vehicle registrations.

[2]
C

Using an international trade quota diagram, explain the effect of the quota on Hesperia’s electric-vehicle market (Text A, paragraph 1).

[4]
D

Using a negative consumption externality diagram for petrol vehicles, explain an indirect environmental effect of the electric-vehicle quota (Text B, paragraph 1).

[4]
E

Using an international trade quota diagram, explain how allocating licences to foreign manufacturers affects Hesperia’s national welfare (Text A, paragraph 2).

[4]
F

Using an international trade tariff diagram, explain how replacing the quota with an equivalent tariff could affect government revenue (Text B, paragraph 2).

[4]
G

Using information from the texts/data and your knowledge of economics, evaluate whether Hesperia should retain the quota, auction the licences or replace the quota with a tariff.

[15]
Question 15
HL • Paper 2
Hard
Calculator Permitted
HL • Paper 2
Hard
Calculator Permitted

Ilyria’s production subsidy for textiles

Read the extracts and answer the questions that follow.

Text A — Textile support

  1. Ilyria provides a payment for every metre of fabric produced by domestic textile firms. This production subsidy shifts domestic supply downwards and allows firms to compete with imports while consumers continue paying the world price.

  2. Domestic production and employment have increased, while imports have fallen. The government’s expenditure applies to all subsidized domestic output, not only the additional output.

Text B — Costs of support

  1. The subsidy increases producer surplus, but government expenditure is larger than the producer gain. The difference represents a production welfare loss as resources move into relatively high-cost domestic production.

  2. Some subsidized factories use old machinery and cause water pollution. The government is considering making subsidy eligibility conditional on compliance with an environmental standard.

Table 1 — Domestic textile output

Annual domestic textile output and consumption in Ilyria

MeasureBefore subsidyAfter subsidy
Domestic textile output / million metres400520
Domestic textile consumption / million metres900900

Table 2 — Textile employment

Textile employment before and after the production subsidy.

PeriodTextile employment / workers
Before subsidy48 000
After subsidy60 000
A
I.

Define the term production subsidy indicated in bold (Text A, paragraph 1).

[2]
II.

Define the term producer surplus indicated in bold (Text B, paragraph 1).

[2]
B
I.

Using Table 1, calculate the percentage increase in domestic textile output following the subsidy.

[3]
II.

Using Table 2, calculate the percentage increase in textile employment.

[2]
C

Using an international trade production-subsidy diagram, explain the subsidy’s effect on output, consumption and imports (Text A).

[4]
D

Using a labour-market diagram, explain the increase in textile employment (Text A, paragraph 2).

[4]
E

Using an international trade production-subsidy diagram, explain why the subsidy creates a welfare loss (Text B, paragraph 1).

[4]
F

Using a negative production externality diagram, explain the potential effect of pollution from subsidized textile factories (Text B, paragraph 2).

[4]
G

Using information from the texts/data and your knowledge of economics, discuss whether Ilyria should continue its textile production subsidy.

[15]
Question 16
HL • Paper 2
Hard
Calculator Permitted
HL • Paper 2
Hard
Calculator Permitted

Jorvik’s wheat export subsidy

Read the extracts and answer the questions that follow.

Text A — Subsidized wheat exports

  1. Jorvik pays farmers for each tonne of wheat exported. The export subsidy raises the price received from export sales above the world price. Domestic sellers therefore also charge the higher price within Jorvik.

  2. Wheat production and exports have increased, while domestic wheat consumption has decreased. Bread producers face higher input costs and the government’s subsidy expenditure has grown.

Text B — Distribution and trade

  1. Farm owners gain producer surplus, but consumers lose consumer surplus. The subsidy also creates production and consumption distortions and may reduce foreign farmers’ revenue.

  2. Two trading partners have threatened to impose tariffs on Jorvik’s wheat. The government is considering replacing export payments with a subsidy for investment in more efficient farm machinery.

Table 1 — Wheat exports

Annual wheat exports and production in Jorvik

PeriodWheat exports / million tonnesWheat production / million tonnes
Before export subsidy2.4—
After export subsidy3.35.1

Table 2 — Domestic wheat consumption

Annual domestic wheat consumption in Jorvik before and after the export subsidy.

PeriodDomestic wheat consumption / million tonnes
Before export subsidy2.2
After export subsidy1.8
A
I.

Define the term export subsidy indicated in bold (Text A, paragraph 1).

[2]
II.

Define the term consumer surplus indicated in bold (Text B, paragraph 1).

[2]
B
I.

Using Table 1, calculate the percentage increase in annual wheat exports.

[3]
II.

Using Table 2, calculate the percentage decrease in domestic wheat consumption.

[2]
C

Using an international trade export-subsidy diagram, explain the effects on Jorvik’s wheat market (Text A).

[4]
D

Using a demand and supply diagram, explain how the export subsidy may affect Jorvik’s bread market (Text A, paragraph 2).

[4]
E

Using the export-subsidy diagram, explain why the policy reduces Jorvik’s national economic welfare (Text B, paragraph 1).

[4]
F

Using an international trade tariff diagram, explain how retaliation could affect Jorvik’s wheat exporters (Text B, paragraph 2).

[4]
G

Using information from the texts/data and your knowledge of economics, evaluate Jorvik’s export subsidy for wheat.

[15]

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Question 17
HL • Paper 2
Hard
Calculator Permitted
HL • Paper 2
Hard
Calculator Permitted

Kambara’s pharmaceutical regulations

Read the extracts and answer the questions that follow.

Text A — Medicine approval

  1. Kambara requires imported medicines to repeat clinical testing already completed in their country of origin. It also requires packages to use a unique size and label. These legally enforceable regulations have increased compliance costs and delayed market entry.

  2. Domestic pharmaceutical firms do not face repeat testing. Foreign suppliers therefore describe the measures as an administrative barrier rather than a proportionate health policy.

Text B — Health and competition

  1. The government argues that strict approval procedures prevent unsafe or ineffective medicines from being sold. However, hospitals report higher medicine prices and fewer available treatments. Small foreign producers are particularly affected by fixed testing costs.

  2. Kambara is considering accepting certificates from foreign regulators that meet equivalent scientific standards. Domestic firms warn that increased competition would reduce their market share.

Table 1 — Approval time for imported medicines

Average approval times for medicines in Kambara.

Medicine categoryAverage approval time / months
Imported, before repeat-testing regulation8
Imported, after repeat-testing regulation14
Domestic medicines7

Table 2 — Imported medicine varieties

Imported medicine varieties before and after the regulation.

PeriodImported medicine varieties
Before regulation640
After regulation480
A
I.

Define the term regulation indicated in bold (Text A, paragraph 1).

[2]
II.

Define the term administrative barrier indicated in bold (Text A, paragraph 2).

[2]
B
I.

Using Table 1, calculate the percentage increase in average approval time for imported medicines.

[3]
II.

Using Table 2, calculate the percentage decrease in imported medicine varieties.

[2]
C

Using a demand and supply diagram, explain how repeat testing may affect imported medicine prices (Text A, paragraph 1).

[4]
D

Using a demand and supply diagram, explain how the regulations may affect domestic pharmaceutical firms (Text B, paragraph 2).

[4]
E

Using a market-failure diagram, explain how proportionate medicine regulation may improve welfare (Text B, paragraph 1).

[4]
F

Using a demand and supply diagram, explain how accepting equivalent foreign certificates could affect the medicine market (Text B, paragraph 2).

[4]
G

Using information from the texts/data and your knowledge of economics, discuss whether Kambara’s pharmaceutical regulations are economically justified.

[15]
Question 18
HL • Paper 3
Hard
Calculator Permitted
HL • Paper 3
Hard
Calculator Permitted

Tariffs on bicycles in Argentina

Argentina imports bicycles and is assumed to be a small open economy in this market. To support domestic bicycle manufacturers, the government introduced a tariff of 50 pesos per imported bicycle. Table 1 shows market information before and after the tariff.

Table 1

Argentine bicycle market before and after a tariff.

Market informationBefore tariffAfter tariff
Domestic price / pesos per bicycle200250
Tariff / pesos per imported bicycle050
Domestic production / bicycles per year20 00035 000
Domestic consumption / bicycles per year100 00080 000
Imports / bicycles per year80 00045 000
World price / pesos per bicycle200200
Demand and supply assumption for (v) and (vi)Linear between outcomesLinear between outcomes

For parts (v) and (vi), assume that domestic demand and supply curves are linear between the before- and after-tariff outcomes.

Domestic bicycle producers claim that the tariff will protect employment and allow investment in more efficient production. However, retailers argue that higher bicycle prices will reduce sales and discourage cycling. Foreign bicycle manufacturers have warned that they may reduce investment in distribution facilities in Argentina.

A
I.

Define the term tariff.

[2]
II.

Using Table 1, calculate the change in the number of bicycles imported following the tariff.

[3]
III.

Calculate the annual tariff revenue received by the government of Argentina.

[2]
IV.

Calculate the change in annual expenditure by Argentine consumers on imported bicycles, measured at the prices paid by consumers.

[3]
V.

Calculate the welfare loss caused by the tariff.

[3]
VI.

Draw a fully labelled international trade diagram showing the effects of the tariff on the Argentine bicycle market, including government revenue and welfare loss.

[4]
VII.

Using the data, explain how the tariff affects foreign bicycle producers.

[3]
B

Using the text/data provided and your knowledge of economics, recommend whether the government of Argentina should retain the tariff on imported bicycles.

[10]
Question 19
HL • Paper 3
Hard
Calculator Permitted
HL • Paper 3
Hard
Calculator Permitted

An import quota on rice in Norland

Norland imports rice at a world price of 300 noras per tonne. The government is considering an annual import quota of 50 000 tonnes to increase domestic food production. Table 1 shows domestic supply and demand at different prices.

Table 1

Table 1. Domestic rice supply and demand in Norland.

Price / noras per tonneDomestic supply / tonnesDomestic demand / tonnes
30040 000140 000
36052 500127 500
42065 000115 000

Assume that domestic supply and demand are linear between the prices shown in Table 1.

The government could auction the import licences or allocate them free of charge to foreign rice exporters. Low-income households spend a large proportion of their income on rice, while domestic farmers argue that protection is necessary to maintain rural employment.

A
I.

Define the term import quota.

[2]
II.

Using Table 1, determine the domestic price of rice if the quota is introduced.

[2]
III.

Calculate the total quota rent created by the import quota.

[2]
IV.

Calculate the loss of consumer surplus resulting from the quota.

[3]
V.

Calculate the gain in producer surplus received by domestic rice farmers.

[3]
VI.

Calculate the national welfare loss if the government auctions the import licences for their full value.

[3]
VII.

Calculate the national welfare loss if the import licences are allocated free of charge to foreign exporters.

[3]
VIII.

Explain one administrative disadvantage of allocating import licences free of charge.

[2]
B

Using the text/data provided and your knowledge of economics, recommend how the government of Norland should manage the proposed restriction on rice imports.

[10]
Question 20
HL • Paper 3
Hard
Calculator Permitted
HL • Paper 3
Hard
Calculator Permitted

An export subsidy for coffee in Costavia

Costavia exports coffee at a world price of 2.00 cocos per kg. The government is considering an export subsidy of 0.40 cocos for each kg exported. Table 1 shows the expected effects on the domestic coffee market.

Table 1

Costavian coffee market before and after an export subsidy

Market outcomeBefore subsidyAfter subsidy
World price / cocos per kg2.002.00
Export subsidy / cocos per kg0.000.40
Domestic price / cocos per kg2.002.40
Domestic production / million kg per year120150
Domestic consumption / million kg per year5035
Coffee exports / million kg per year70115
Demand and supply curves over relevant rangesLinearLinear
Economy and world price assumptionSmall, price-taking economy; world price constantSmall, price-taking economy; world price constant
Foreign retaliation in numerical calculationsIgnoredIgnored

Coffee producers argue that the subsidy would increase farm incomes and export market share. Consumer organizations are concerned about domestic food prices, while the finance ministry expects significant expenditure. Competing coffee exporters have suggested that they may introduce trade restrictions against Costavian coffee.

For parts (a)(iv) to (a)(vii), assume that Costavia is a small price-taking economy, the world price remains constant at 2.00 cocos per kg, and domestic demand and supply curves are linear over the relevant ranges. Ignore the effects of foreign retaliation in the numerical calculations; discuss its possible effects in part (b).

A
I.

Define the term export subsidy.

[2]
II.

Calculate the change in Costavia's coffee exports resulting from the subsidy.

[3]
III.

Calculate the annual government expenditure on the export subsidy.

[2]
IV.

Calculate the loss of consumer surplus resulting from the export subsidy.

[3]
V.

Calculate the gain in producer surplus resulting from the export subsidy.

[3]
VI.

Calculate the national welfare loss resulting from the export subsidy.

[3]
VII.

Draw a fully labelled international trade diagram showing the effects of the export subsidy on Costavia's coffee market.

[4]
B

Using the text/data provided and your knowledge of economics, recommend whether the government of Costavia should introduce the export subsidy for coffee.

[10]

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Question 21
HL • Paper 3
Hard
Calculator Permitted
HL • Paper 3
Hard
Calculator Permitted

Safety standards for imported electronic devices in Estara

Estara introduced a safety standard requiring electronic devices to undergo additional testing, certification and customs inspection. The standard applies to imported and domestic products, but foreign suppliers must complete testing in Estara even if equivalent tests have been completed abroad.

Table 1 shows market outcomes before and after the standard.

Table 1

Estaran electronic-device market before and after the safety standard.

Market outcomeBefore standardAfter standard
Average price / estars per device600660
Domestic production / devices per year20 00028 000
Domestic consumption / devices per year100 00088 000
Imports / devices per year80 00060 000

Table 2 shows the compliance costs faced collectively by foreign suppliers after the standard.

Table 2

Foreign-supplier compliance costs after the safety standard

Cost itemValue
Fixed certification cost (collective)4.8 million estars
Testing cost25 estars per device
Customs-delay and inventory cost15 estars per device
Annual imports after standard60 000 devices

The government argues that the standard reduces the risk of electrical fires and corrects information failure. Consumer groups accept the need for safety testing but question why equivalent foreign certificates are not recognized. Small foreign firms report that the fixed certification cost may force them to leave the Estaran market.

A
I.

Define the term administrative barrier.

[2]
II.

Using Table 1, calculate the change in annual imports of electronic devices following the introduction of the standard.

[2]
III.

Using Table 2, calculate the average compliance cost per imported device after the standard.

[3]
IV.

Calculate the change in annual consumer expenditure on electronic devices.

[3]
V.

Calculate the price elasticity of demand for electronic devices following the increase in average price, using the initial-value method.

[3]
VI.

Draw a demand and supply diagram showing how the administrative barrier may affect the market for imported electronic devices.

[4]
VII.

Explain why the safety standard may both improve market outcomes and act as trade protection.

[3]
B

Using the text/data provided and your knowledge of economics, recommend whether the government of Estara should retain, modify or remove the safety standard for electronic devices.

[10]
Question 22
SL • Paper 1
Hard
Non Calculator
SL • Paper 1
Hard
Non Calculator

A

Using diagrams, explain how a tariff and an import quota may produce the same domestic price and quantity of imports.

[10]
B

Using real-world examples, evaluate whether governments should prefer tariffs to import quotas as a means of restricting imports.

[15]
Question 23
HL • Paper 1
Hard
Non Calculator
HL • Paper 1
Hard
Non Calculator

A

Using a tariff diagram, explain how the changes in consumer surplus, producer surplus, government revenue and national welfare resulting from a tariff may be determined.

[10]
B

Using real-world examples, evaluate the view that the welfare loss caused by a tariff is always more significant than its benefits to domestic stakeholders.

[15]
Question 24
HL • Paper 1
Hard
Non Calculator
HL • Paper 1
Hard
Non Calculator

A

Using a diagram, explain how the ownership of quota rents affects the importing country's national welfare.

[10]
B

Using real-world examples, discuss the view that import quotas cause greater economic harm than equivalent tariffs.

[15]

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Question 25
HL • Paper 1
Hard
Non Calculator
HL • Paper 1
Hard
Non Calculator

A

Using a diagram, explain how the effects of a production subsidy to an import-competing industry on government expenditure, producer surplus and national welfare may be determined.

[10]
B

Using real-world examples, evaluate whether a production subsidy is preferable to a tariff for protecting an import-competing industry.

[15]
Question 26
HL • Paper 1
Hard
Non Calculator
HL • Paper 1
Hard
Non Calculator

A

Using a diagram, explain how an administrative barrier may affect foreign producers, domestic producers and consumers.

[10]
B

Using real-world examples, evaluate the effectiveness of administrative barriers compared with tariffs, quotas or subsidies in restricting imports.

[15]
Question 27
HL • Paper 2
Hard
Calculator Permitted
HL • Paper 2
Hard
Calculator Permitted

Lydora’s protection of its fishing industry

Read the extracts and answer the questions that follow.

Text A — A tariff and production subsidy

  1. Lydora imposes a tariff on imported canned fish. The policy has raised domestic prices, increased local production and reduced consumption and imports. Canning firms benefit, but retailers and households face higher prices.

  2. The government also provides a production subsidy to fishing fleets. Because consumers can still purchase imported fresh fish at the world price, the subsidy increases domestic production without directly raising the fresh-fish price.

Text B — Sustainability concerns

  1. Marine scientists warn that larger catches are reducing fish stocks. Expanded domestic production may therefore create a welfare loss beyond the standard production distortion.

  2. The government is considering replacing financial protection with a standard requiring all domestic and imported fish to be certified as sustainably caught. Foreign suppliers support equal treatment but are concerned about expensive documentation.

Table 1 — Canned-fish imports

Table 1: Annual canned-fish imports and domestic consumption in Lydora.

PeriodCanned-fish imports / tonnesDomestic consumption / tonnes
Before tariff160 000—
After tariff104 000250 000

Table 2 — Domestic fish-stock index

Lydora’s domestic fish-stock index before and after expanded support.

PeriodFish-stock index
Before expanded support100
After expanded support82
A
I.

Define the term tariff indicated in bold (Text A, paragraph 1).

[2]
II.

Define the term standard indicated in bold (Text B, paragraph 2).

[2]
B
I.

Using Table 1, calculate the percentage decrease in canned-fish imports following the tariff.

[3]
II.

Using Table 2, calculate the percentage decrease in Lydora’s fish-stock index.

[2]
C

Using an international trade tariff diagram, explain the effect of the tariff on Lydora’s canned-fish market (Text A, paragraph 1).

[4]
D

Using an international trade production-subsidy diagram, explain the effect of the subsidy on Lydora’s fresh-fish market (Text A, paragraph 2).

[4]
E

Using a negative production externality diagram, explain how expanded fishing may reduce economic welfare (Text B, paragraph 1).

[4]
F

Using a demand and supply diagram, explain how costly sustainability certification could affect imported fish (Text B, paragraph 2).

[4]
G

Using information from the texts/data and your knowledge of economics, evaluate whether Lydora should replace its tariff and production subsidy with a sustainability standard applied equally to domestic and imported fish.

[15]
Question 28
HL • Paper 3
Hard
Calculator Permitted
HL • Paper 3
Hard
Calculator Permitted

Alternative restrictions on steel imports in Darsenia

Darsenia is a small open economy that imports steel at a world price of 500 dinars per tonne. The government is considering either a tariff of 100 dinars per imported tonne or an import quota of 100 000 tonnes. The two policies would produce the same domestic price and market quantities.

Table 1

Table 1: Darsenian steel market under free trade and alternative protection.

Market measureFree tradeTariffImport quota
Domestic price [dinars per tonne]500600600
Domestic production [tonnes per year]100,000140,000140,000
Domestic consumption [tonnes per year]300,000240,000240,000
Tariff rate [dinars per tonne]—100—
Import quota [tonnes per year]——100,000
Demand and supply curvesStraight linesStraight linesStraight lines

For all calculations of consumer surplus, producer surplus and national welfare, assume that the domestic demand and supply curves are straight lines between the free-trade and protected outcomes.

If a quota is selected, the government may auction the import licences for their full value. Alternatively, it may allocate the licences free of charge to foreign steel exporters. Domestic steel firms support protection, but appliance and construction firms report that steel accounts for a substantial share of their production costs.

A
I.

Define the term quota rent.

[2]
II.

Using Table 1, calculate the change in steel imports resulting from either form of protection.

[2]
III.

Calculate the government revenue generated by the tariff.

[2]
IV.

Calculate the total quota rent created by the import quota.

[2]
V.

Calculate the loss of consumer surplus under either form of protection.

[3]
VI.

Calculate the national welfare loss under the tariff or under a quota whose licences are auctioned for their full value.

[3]
VII.

Calculate the national welfare loss if quota licences are allocated free of charge to foreign steel exporters.

[2]
VIII.

Draw a fully labelled international trade diagram showing the effects of either the tariff or the equivalent import quota on Darsenia's steel market.

[4]
B

Using the text/data provided and your knowledge of economics, recommend whether Darsenia should use a tariff, an import quota or neither policy to protect its domestic steel industry.

[10]

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Question 29
HL • Paper 1
Hard
Non Calculator
HL • Paper 1
Hard
Non Calculator

A

Using an export-subsidy diagram, explain how the changes in consumer surplus, producer surplus, government expenditure and national welfare may be determined.

[10]
B

Using real-world examples, evaluate the economic consequences of export subsidies for both the subsidizing country and its trading partners.

[15]
Question 30
HL • Paper 1
Hard
Non Calculator
HL • Paper 1
Hard
Non Calculator

A

Using diagrams, explain why an equivalent tariff, import quota and production subsidy may have different effects on national welfare.

[10]
B

Using real-world examples, discuss the view that all forms of trade protection inevitably reduce economic welfare.

[15]

4.10 Economic growth and/or development strategies

4.3 Arguments for and against trade control/protection