IB Economics SL & HLTopic 4 — The Global EconomyPaper 1 & 2Evaluation~10 min read
Weighing Protectionism Against Free Trade
This is the essay question the whole topic has been building towards, and it is not a question with a fixed answer. Free trade raises total output; protection can still be the right call for a particular country at a particular moment. Your job in the exam is not to pick a side in advance, but to show what the answer depends on.
📚 What you need to know
The case for protection rests on infant industries, sunset industries, strategic industries, dumping, employment, the current account and standards abroad.
The case against rests on higher prices, less choice, higher costs for firms, retaliation, weaker export competitiveness, resource misallocation and domestic inefficiency.
Trade liberalisation has driven growth and development, but the gains are not shared evenly.
Moving to free trade can create structural unemployment as industries relocate abroad.
Protection often has strong political support, because its winners are visible and its losers are spread thin.
Rich countries can afford large export subsidies; poorer producers cannot match them.
The honest conclusion is that context decides: the industry, the time frame and the country’s stage of development.
The balance you are being asked to strike
A 15-mark answer that ends “there are arguments both ways” has not evaluated anything. Name the conditions.
The arguments for protection
Argument
The reasoning
Infant industries
New firms cannot survive against established global rivals; temporary protection buys them time to reach a competitive scale
Sunset industries
An industry in decline is supported so it shrinks gradually rather than collapsing and dumping workers all at once
Strategic industries
Energy, defence and food are matters of security; depending entirely on other countries for them is a risk
Dumping
Selling below cost to drive out local rivals is anti-competitive, so a government may block it
Employment
When production moves abroad and workers face structural unemployment, governments come under pressure to act
Current account deficit
If imports persistently exceed exports, protection is used to try to correct the imbalance
Standards abroad
Cheap imports may reflect weak labour or environmental rules; protection is used as pressure to raise them
The arguments against protection
Argument
The reasoning
Reduced choice
Both the variety and the quantity available to consumers fall
Higher prices
Tariffs raise prices directly; quotas and barriers do it by cutting supply
Higher costs
Firms that import raw materials pay more, which can feed into inflation and job losses elsewhere
Retaliation
Trading partners hit back with their own measures, and both countries end up worse off
Weaker exports
Sheltered firms have less need to innovate, so over time their products become dearer and worse
Resource misallocation
Production shifts from efficient foreign producers to less efficient domestic ones, lowering world welfare
Domestic inefficiency
With less competition, firms spend less on research and development and become productively inefficient
Short run against long run
Ask whether the government has any way of removing the protection once the industry has grown used to it.
The most useful sentence you can learn for this topic: protection concentrates its benefits on a visible few and spreads its costs thinly over everyone else. That is why it survives politically even when the economics is against it.
The development angle
The argument is not the same for every country. Richer economies can fund large, long-running subsidies for their own producers, and they often place higher tariffs on processed goods than on raw materials. A country that exports cocoa beans freely but faces a tariff on exporting chocolate is being pushed towards the low-value end of the chain.
Bring this in for the top band. Free trade generates higher output and income overall — that part is not seriously disputed. What is disputed is how that extra income gets shared, between countries and within them.
Worked examples
WORKED EXAMPLE
Planning a 15-mark evaluation
Evaluate the use of tariffs to protect a newly established domestic industry. [15]
Set up
Define tariff and infant industry; state the aim: to let a young industry reach a competitive scale.
The case for
Tariff raises the import price → domestic demand switches to local firms → output rises → economies of scale lower unit costs over time. Employment in the industry rises, and the government collects revenue.
Real-world anchor
Name a country that used protection during industrialisation and later opened up.
The case against
Consumers pay more meanwhile; welfare loss from inefficient production; downstream firms face higher input costs; trading partners may retaliate; and protection is politically hard to remove.
Judgement with conditions
Justified if the industry has a genuine path to competitiveness, the protection is temporary and time-limited, and the consumer cost is small relative to the eventual gain. Otherwise it becomes a permanent subsidy paid by consumers.
Balanced, evidenced, decidedThe word “if” is doing the evaluation. Without it you have only listed advantages and disadvantages.
WORKED EXAMPLE
Weighing up the winners and losers of a steel tariff
A government places a tariff on imported steel to protect 8,000 jobs in its steel industry. Discuss whether this is likely to benefit the economy. [10]
Step 1: the visible gain
Steel producers sell more at a higher price; 8,000 jobs are protected; government collects tariff revenue.
Step 2: the hidden cost
Every carmaker, builder and appliance manufacturer now pays more for steel. Those downstream industries employ far more people than 8,000.
Step 3: the wider effects
Consumers pay more for cars and buildings; export competitiveness falls because domestic costs rise; partners may retaliate against other exports.
Step 4: judgement
The policy is likely to cost more jobs than it saves unless the steel industry is genuinely strategic or the tariff is short-lived and paired with retraining.
A judgement with a reason attachedCounting jobs on both sides of the tariff is the single most effective evaluation move in this topic.
💡 Exam tip
Pick two arguments each way and develop them properly rather than listing all fourteen.
Use a diagram to support the analysis, then refer to it in words. A tariff or subsidy diagram fits most of these questions.
Split short run from long run. It is the quickest route to a balanced answer.
Name the stakeholders: consumers, domestic producers, downstream firms, foreign producers, the government, workers.
Have one developing-country example ready, and one example of protection being used and later removed.
End with conditions: how long, how large, which industry, and what happens to the revenue.
⚠ Common mix-up
Arguing free trade is always best. The syllabus expects you to see when protection can be defended.
Listing arguments with no analysis. Each one needs a chain of reasoning, not a label.
Ignoring downstream industries when counting the jobs saved.
Forgetting retaliation. Other governments respond, and exporters in your own country pay for it.
Treating the infant industry argument as automatic. It only works if protection is genuinely temporary.
Confusing a fall in imports with an improvement in welfare. Fewer imports can mean higher prices and lower efficiency.
Ending with a summary instead of a judgement that names its conditions.
Up next: What Paper 1 Asks For — the start of the exam skills topic, where these arguments get turned into a 25-mark answer written under the clock.
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