What is one-sided judgement on impact?

Both benefits and costs occurred and varied by country; reflect that variation.

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How important were multinational corporations and expanding trade to the growth of the postwar global economy?

Assess the role of multinational corporations and the expansion of world trade in driving the growth and integration of the global economy after 1945

A focused answer to the H2 History global-economy dot point on multinationals and trade. The growth of cross-border firms, trade liberalisation, the integration of production, the benefits and criticisms, and their role in postwar growth.

Generated by Claude Opus 4.89 min answerUpdated 2026-06-06

Reviewed by: AI editorial process; not yet individually human-reviewed

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Quick answer

After 1945 world trade grew far faster than output, driven by falling tariffs, stable exchange rates, and better transport and communications, integrating national economies into a single global economy. The most distinctive development was the rise of the multinational corporation, which invested directly across borders, spread capital, technology and management, and integrated production internationally so that a single product could span several countries. Multinationals and expanding trade drove growth by spreading capital and technology, creating larger markets, and deepening interdependence. But the firms depended on the wider liberal order they did not create, so they were a leading agent rather than the sole driver. Their impact is contested: supporters stress investment and technology transfer, critics stress profit repatriation, concentrated power and dependency, and both effects occurred unevenly across countries.

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What this dot point is asking

SEAB wants you to assess the role of multinational corporations and the expansion of world trade in driving the growth and integration of the global economy after 1945. The central analytical task is to weigh how far multinationals and trade were the drivers of growth, as against the framework that enabled them, and to acknowledge the debate over whether their impact was beneficial or exploitative. A strong answer treats multinationals as a leading agent operating within the wider liberal order.

The answer

The expansion of world trade

The decades after 1945 saw world trade grow far faster than world output, a defining feature of the postwar global economy. This was made possible by the steady reduction of tariffs and other barriers under the postwar trade framework, by the monetary stability of the Bretton Woods system, and by dramatic improvements in transport, such as containerised shipping, and in communications. As barriers fell and costs dropped, countries specialised in what they produced best and exchanged across borders on a growing scale. This expansion of trade was both a cause and a measure of the integration of national economies into a single global economy, and it was a powerful engine of growth through specialisation and access to larger markets.

The rise of the multinational corporation

The most distinctive institutional development of the period was the rise of the multinational corporation, the firm that produces and operates across many countries. Multinationals grew enormously in size, number and reach, and came to account for a rising share of world production, trade and investment. They did far more than export goods: they invested directly abroad, building factories and operations in many countries, and they began to integrate production internationally, so that a single product might be designed in one country, with components made in several others and assembled in yet another. This internationalisation of production was a new and powerful form of economic integration.

How multinationals and trade drove growth

Multinationals and expanding trade drove growth in several connected ways. They spread capital from where it was abundant to where it was scarce, financing investment in new locations. They transferred technology and management know-how across borders, raising productivity. They created and served larger, integrated markets, allowing economies of scale. And by linking national economies through trade and investment, they made the global economy more interdependent, so that growth in one part fed growth in others. For host economies that could attract them, multinationals could bring investment, jobs and access to world markets, contributing to development.

The enabling framework

Crucially, multinationals did not operate in a vacuum. Their expansion depended on the wider liberal order: the falling tariffs that allowed them to trade across borders, the stable exchange rates that made cross-border investment predictable, and the improving transport and communications that made integrated production feasible. The firms were a powerful agent of growth, but they worked within and depended on a framework they did not themselves create. This is why a balanced answer treats multinationals as a leading driver operating within the postwar order rather than as an independent cause of the boom.

The debate over their impact

The impact of multinationals is genuinely contested. Supporters stress the benefits: investment, technology transfer, employment, and the integration of developing economies into world markets. Critics stress the costs: multinationals could concentrate enormous economic power, repatriate profits from poorer host countries rather than reinvesting them, undermine local producers, and deepen the dependency of developing economies on foreign capital and decisions made elsewhere. The truth is that both effects occurred, often together, and the net balance varied greatly between countries. Recognising this debate is essential for assessing the role of multinationals fairly.

Worked example

Question: "The expansion of world trade, not the multinational corporation, was the real engine of postwar growth." How far do you agree? Plan a paragraph that qualifies the claim.

Step 1: Set the qualification

I will argue that trade expansion and multinationals were inseparable parts of one process, so the claim sets up a false opposition. The paragraph will show their interdependence.

Step 2: Lead with the qualified claim

Topic sentence: "Trade expansion and the multinational corporation were not rivals but two faces of the same integration: multinationals drove a large share of the very trade that powered postwar growth."

Step 3: Provide evidence

Show the link: multinationals conducted much of the growth in cross-border trade and investment, integrating production internationally, while the trade framework and falling tariffs made their operations possible. Each reinforced the other.

Step 4: Concede and judge

Concede that trade also expanded through firms that were not multinationals and through state policy. Then judge: because multinationals and trade expansion were interdependent engines of one integrating economy, the opposition in the claim cannot stand. The judgement answers the wording.

Examples in context

Example 1. Containerisation and the cost of trade. The spread of containerised shipping dramatically cut the cost and time of moving goods across the world, and is one of the clearest enablers of the postwar trade boom. By making it cheap to ship components and finished goods internationally, it underpinned both the growth of trade and the multinationals' ability to integrate production across countries. It illustrates how technological change, not just policy, drove the integration of the global economy.

Example 2. Investment and dependency in developing economies. The arrival of a large multinational in a developing economy captures the central debate. On one hand it could bring capital, jobs, technology and access to world markets, contributing to development. On the other it could repatriate profits, displace local producers and leave the host economy dependent on decisions made abroad. The same investment could therefore be read as development or as exploitation, which is why the net impact of multinationals must be judged case by case.

Try this

Q1. Define a multinational corporation. [4 marks]

Cue. A firm that owns and operates production or business activities in more than one country, investing directly abroad rather than only exporting.

Q2. Explain how the expansion of world trade contributed to postwar growth. [12 marks]

Cue. Falling tariffs, stable exchange rates and cheaper transport let countries specialise and exchange across borders, driving growth through specialisation, larger markets and economies of scale, and deepening interdependence.

Q3. "Multinational corporations did more harm than good to developing economies." How far do you agree? [20 marks]

Cue. Weigh investment, jobs and technology transfer against profit repatriation, concentration of power and dependency; judge that the balance varied by country and policy.

Exam-style practice questions

Practice questions written in the style of SEAB exam questions on this dot point, with worked answer explainers. The year tag is the paper they imitate, not the source.

Original20 marksHow far were multinational corporations the driving force behind the growth of the postwar global economy? Justify your answer.

Show worked answer →

Thesis: Multinationals were a powerful engine of growth and integration, but they operated within a framework of trade liberalisation and monetary stability that they did not create, so they were a leading agent rather than the sole driving force.
Argument 1 (multinationals as engine): They spread capital, technology and management across borders, integrated production internationally, and drove a rising share of world trade and investment.
Argument 2 (the enabling framework): Their expansion depended on falling tariffs, stable exchange rates and improving transport and communications.
Counterargument: Critics argue multinationals concentrated power, extracted profits from poorer countries, and deepened dependency, complicating the growth story.
Judgement: Multinationals were a leading driver of growth and integration but worked within and depended on the wider liberal order; benefits and costs were unevenly shared.

Markers reward weighing the firms against the framework, evidence, the critical view, and a judgement.

Original12 marksA source-based question gives a corporate report celebrating how a multinational brought investment, jobs and technology to a developing economy, alongside a critic's account arguing the same firm repatriated profits and undermined local producers. Assess how far these sources disagree about the impact of multinationals.