Cambridge O Level Commerce: Globalisation of Trade — Revision Notes (7100)

Globalisation of trade is the buying and selling of goods and services across national borders, and the supply chains that link producers and consumers in different countries. In Cambridge O Level Commerce (7100, 2026-2028) Topic 3 has two parts: 3.1 International trade and 3.2 Global supply chain management. Expect calculations of the Balance of Trade and Balance of Payments, and questions that ask you to weigh the benefits and risks of trading internationally.

For the full explanation see the Globalisation of trade study guide; then test yourself with the Globalisation of trade practice questions.

Syllabus coverage (7100, 2026-2028)

Ref	Content
3.1.1	Benefits of international trade to a country
3.1.2	Challenges to exporters and importers
3.1.3	Balance of Trade and Balance of Payments: difference, calculation, effect of commercial activity
3.1.4	Free trade, trading blocs, trade restrictions, support for exporters
3.2.1	Simple and complex supply chains; upstream, enterprise, downstream; suppliers; benefits
3.2.2	Supply chain risks; importance of risk assessment

Why do countries trade internationally? (3.1.1)

Five benefits to learn: wider choice of goods; higher standard of living; lower cost of imports where other countries produce more cheaply; more investment; creation of jobs in exporting industries.

What makes international trade difficult? (3.1.2)

Use the memory chain “Distance, Language, Payment, Paperwork” and then the money and law risks:

Challenge	Why it matters
Distance	Longer delivery times and higher transport costs
Language	Misunderstandings in orders and contracts
Methods of payment	Need for secure international payment, e.g. documentary credit
Documentation	Customs forms, certificates and shipping documents
Transport	Choosing and arranging suitable international transport
Customs duties	Add to the price of imports
Non-payment	Hard to recover debts from foreign buyers
Currencies and exchange rates	Price and profit change when rates move
Competition	Rival firms from many countries
Different legal systems	Contracts and product rules vary

How do you calculate the Balance of Trade and Balance of Payments? (3.1.3)

• Balance of Trade = value of exports of goods - value of imports of goods (visible trade only).
• Balance of Payments = a record of all a country’s financial transactions with other countries: goods, services (invisible trade such as tourism, banking and insurance), income and investment flows.
• A surplus means more money flowing in than out; a deficit means more flowing out.

Worked example ($ million)

Item	Value
Exports of goods	420
Imports of goods	510
Exports of services	260
Imports of services	140
Net investment inflow	30

• Balance of Trade = 420 - 510 = -90 (deficit).
• Services balance = 260 - 140 = +120.
• Balance of Payments (on these items) = -90 + 120 + 30 = +60 (surplus).

Interpretation: the country imports more goods than it exports, but strong service exports and investment inflows more than make up for it.

How commercial activity affects the balances: a manufacturer winning export orders improves the Balance of Trade; a country’s airlines or banks earning from foreign customers improve the Balance of Payments; retailers importing more goods worsen the Balance of Trade.

What are free trade, trading blocs and trade restrictions? (3.1.4)

• Free trade: trade between countries without restrictions such as tariffs or quotas.
• Trading bloc: a group of countries that agree to reduce or remove trade barriers between themselves, often with a common external tariff and common rules.

Joining a trading bloc - advantages	Disadvantages
Tariff-free access to a larger market	More competition from member countries
Cheaper imports of materials	Must follow common rules
More investment from foreign firms	Trade with non-members may face barriers
Easier movement of goods	Loss of some independence over trade policy

Trade restrictions

• Tariff: a tax on imports, raising their price.
• Quota: a limit on the quantity of a good that may be imported.
• Embargo: a ban on trade with a country or in a product.
• Effects on commerce: higher costs for importers; less choice for consumers; protection for domestic producers; possible retaliation against exporters.

Support for exporters: international trade fairs; cheaper bank loans; insurance guarantees against non-payment.

How are global supply chains managed? (3.2)

• Simple supply chain: supplier → manufacturer → consumer.
• Complex supply chain: supplier → agent → wholesaler → retailer → consumer.
• Three parts of supply chain management: upstream (suppliers of materials), the enterprise itself, and downstream (distribution to customers).
• Suppliers matter because their quality, price and reliability decide whether the enterprise can produce on time.
• Benefits: lower costs of production, labour and purchasing; advances in logistics and communication.
• Risks: environmental (pollution, deforestation), natural disasters, financial, ethical, technological and political.
• Risk assessment identifies these threats in advance so the business can plan alternatives, such as a second supplier or extra stock.

Common mistakes and exam traps

• Including services in the Balance of Trade - it covers goods only.
• Getting the sign wrong: imports greater than exports gives a negative balance (deficit).
• Confusing a quota (quantity limit) with a tariff (tax).
• Describing a complex supply chain without naming the agent, wholesaler and retailer.
• Listing risks without explaining their effect on the business.

Frequently asked questions

What is the difference between the Balance of Trade and the Balance of Payments? The Balance of Trade compares exports and imports of goods only. The Balance of Payments records all transactions with other countries, including services, income and investment.

Is a trade deficit always bad? Not necessarily. A goods deficit can be offset by service exports or investment, and imports may include machinery that helps future growth.

What support does 7100 list for exporters? International trade fairs, cheaper bank loans and insurance guarantees.

Official syllabus

Cambridge O Level Commerce (7100) syllabus for 2026, 2027 and 2028 - official syllabus PDF, Topic 3.