International Economic Integration

Syllabus: The Global Economy → International economic integration.

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The global economy

The global economy is the network of economic activity conducted between countries: the trade, investment, financial and labour flows that make national economies interdependent rather than self-contained.

The idea holding up the whole topic is that economies are no longer islands. A decision by the US Federal Reserve, a slowdown in Chinese construction, or a war disrupting oil supply all transmit into Australia through identifiable channels. Your job in Topic 1 is to name those channels and trace them, and almost every mark in this area rewards doing exactly that.

Interdependence is a matter of degree rather than a yes or no. An economy relying heavily on one export commodity and one trading partner is far more exposed than a diversified one, which is worth remembering when you get to Australia.

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Gross World Product

Gross World Product is the total value of all final goods and services produced in the world over a period, usually a year. It is the sum of every country's GDP.

It gets used two ways in the exam: as a measure of the size of the global economy, and as a measure of global growth and therefore of the international business cycle.

The IMF's July 2026 World Economic Outlook Update projects global growth of 3.0% in 2026 and 3.4% in 2027, down from the 3.5% average of 2024 and 2025. The IMF describes the world economy as caught between war in the Middle East, which weighs on energy importers, and an AI-driven technology cycle lifting economies inside the technology value chain.

GWP also shows how unevenly output is distributed. A small number of advanced economies plus China account for the majority of world output, while most of the world's population lives in economies producing a small share of it. That imbalance is the starting point for the development dot points later in the topic.

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Globalisation

Globalisation is the increasing integration of national economies into a single global market, through the growing movement of goods, services, capital, labour, technology and ideas across borders.

The syllabus splits it into four channels. Learn them as four separate mechanisms, because exam questions almost always ask about one or two rather than the lot.

Trade in goods and services

The most visible channel. World trade has grown faster than world output for most of the post-war period, which is what it means to say economies are progressively more open.

It was driven by falling transport costs and containerisation, by reduced protection through the WTO and free trade agreements, and by the rise of global supply chains, where a single finished good crosses several borders at different stages of production.

Composition matters here. Trade in services, covering tourism, education, finance and software, has grown faster than trade in goods and is far harder to restrict with a tariff. For Australia, education and tourism are the major service exports.

Current context: the IMF warns trade tensions could reignite if trade diversion or unbalanced trade pushes more economies into raising tariffs and non-tariff barriers.

Financial flows

The fastest-moving channel by a distance. Global financial markets move vastly more value each day than global trade in goods does.

Deregulation of financial markets from the 1980s drove it, along with floating exchange rates and technology allowing instant cross-border transactions.

What makes it matter is volatility. Speculative short-term capital can leave an economy far faster than a factory can, which is the mechanism behind currency crises and the reason financial integration is a double-edged benefit: access to foreign savings, bought at the cost of exposure to global financial shocks.

Two forms are worth distinguishing. Debt must be repaid with interest, creating a servicing obligation regardless of how the borrowed funds perform. Equity sells ownership, so the return to the foreign investor depends on profitability.

Investment and transnational corporations

Foreign direct investment establishes a lasting interest in and control over a foreign enterprise, whether by building a factory or buying a controlling stake. It differs from portfolio investment, which is buying shares or debt without control.

Transnational corporations produce in more than one country and are the main vehicle for both FDI and global supply chains.

For host economies the effects run both ways. TNCs bring capital, technology and management practice the host may lack, plus employment and the skills transfer that comes with it. Against that, profits get repatriated to the home country, transfer pricing can minimise the tax paid locally, and sovereignty is reduced where a TNC is large relative to the host economy.

Technology, transport and communication

The enabling channel, and the reason the other three accelerated when they did.

Containerisation and cheap air freight collapsed the cost of moving goods. Fibre optics and the internet collapsed the cost of moving information, which is what made global supply chains and 24-hour financial markets possible in the first place. The current wave is artificial intelligence, which the IMF identifies as the main force offsetting the drag from conflict in its 2026 outlook.

International division of labour and migration

The international division of labour is the specialisation of countries in particular stages of production according to comparative advantage: low-cost manufacturing in one economy, design and finance in another.

Migration is the movement of labour itself, and it is by far the least globalised factor of production. Goods, capital and information move much more freely than people do, because migration is politically restricted almost everywhere.

Two flows are worth knowing. Skilled migration lifts the receiving economy's productive capacity and can cause a brain drain in the source economy. Remittances, money sent home by migrant workers, exceed foreign aid for some developing economies.

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The international and regional business cycles

The international business cycle is the tendency for national business cycles to move together, so economies expand and contract at roughly the same time.

Five mechanisms produce that synchronisation. Trade, since a recession in a major economy cuts its demand for imports and therefore its trading partners' export income. Financial flows, since a crisis in one market causes investors to withdraw capital globally and losses travel through internationally exposed banks. Transnational corporations, since a TNC facing weak global conditions cuts investment and employment across every country it operates in simultaneously. Confidence, since expectations are contagious and move faster than any real transmission. And commodity prices, since a global downturn cuts demand for raw materials and hits exporters through the terms of trade.

The regional business cycle is the same effect at regional level, and it is usually stronger than the global one because regional economies trade more intensively with each other. That matters enormously for Australia, whose cycle is tied far more tightly to East Asia, and specifically to China, than to Europe.

Cycles are never perfectly synchronised, for three reasons. Domestic policy can offset global conditions. Economies differ in structure, so a commodity price fall helps importers while hurting exporters. And some economies are simply less open than others.

Australia has a live example running. China grew 4.7% year-on-year in the first half of 2026, with industrial output the main drag, and that transmits directly:

Chinese industrial demand ↓ → bulk commodity prices ↓ → Australia's terms of trade ↓ → export income, mining profits and company tax receipts ↓ → downward pressure on the AUD

Iron ore is forecast around US$91 a tonne for 2026, and China takes roughly 29% of Australia's total exports.

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What the exam does with this

International economic integration is mostly examined in Sections I and II, but it underpins the Section III and IV questions on the global economy. The 2024 Section IV asked students to explain factors contributing to international economic integration, which is a direct test of this dot point group.

Three things separate a strong answer.

Name the channel. Do not write that globalisation has increased. Write that trade integration has deepened through global supply chains, or that financial integration has deepened following deregulation.

Trace the mechanism, in steps, so the marker can see how the effect travels.

Distinguish trade integration from financial integration. They behave differently, with trade flows relatively stable and financial flows volatile, and any question about how a shock transmits usually turns on that difference.

Related notes: Trade, financial flows and foreign investment · Globalisation and economic development · The China case study