# International Trade and Globalisation

> CIE IGCSE Economics · CIE IGCSE Economics (0455)
> Source: https://www.owlsprep.com/study/cie-0455-u6-overview/
> Weight: 12-15% of total exam marks, across both MCQ and structured response sections

This unit explores core concepts of cross-border economic activity, including specialisation gains, trade policy, currency markets, and international payment flows, helping you understand how global events impact national economies.

**Prerequisites:** [Basic understanding of supply and demand](https://www.owlsprep.com/study/cie-0455-u2-price-system/); [Knowledge of core macroeconomic objectives](https://www.owlsprep.com/study/cie-0455-u5-macro-policy-intro/)

## Learning objectives

- Explain the principles of international specialisation and their impact on national output and living standards
- Analyse the benefits and costs of globalisation, free trade, and common protectionist policies
- Interpret changes in foreign exchange rates and their impact on imports, exports, and domestic economic activity
- Evaluate the components of the current account of the balance of payments and implications of surpluses/deficits

## Unit at a glance

The unit follows a logical progression from foundational trade theory to real-world global economic systems. You will first learn why countries specialise in producing certain goods and services, then move to debates around free trade versus protection, how currencies are valued in global markets, and finally how countries track cross-border financial flows.

Work through these subtopics in order for the most coherent learning journey:
- [International Specialisation](https://www.owlsprep.com/study/cie-0455-u6-international-specialisation/) — Explains why countries specialise — superior resource allocation and cheaper production methods — and the benefits and drawbacks of specialising and trading.
- [Globalisation, Free Trade and Protection](https://www.owlsprep.com/study/cie-0455-u6-globalisation-free-trade-and-protection/) — Analyses drivers and impacts of globalisation, plus arguments for/against free trade and common protectionist tools like tariffs and quotas.
- [Foreign Exchange Rates](https://www.owlsprep.com/study/cie-0455-u6-foreign-exchange-rates/) — Covers how exchange rates are determined, factors causing fluctuations, and their effect on international trade and domestic inflation.
- [Current Account of the Balance of Payments](https://www.owlsprep.com/study/cie-0455-u6-current-account-of-the-balance/) — Breaks down components of the current account, and evaluates economic impacts of persistent surpluses and deficits.

## Common pitfalls

- **Wrong:** Working out numerical opportunity-cost or comparative-advantage tables to decide what a country should specialise in
  - Why it fails: For 0455 the basis for national specialisation is described only in broad terms — superior resource allocation and/or cheaper production methods. Numerical comparative advantage and opportunity-cost tables are A-Level (9708) content and are not required or rewarded.
  - Correct: Explain specialisation qualitatively: a country focuses on goods it can produce with better use of its resources or at lower cost, then trades for the rest.
- **Wrong:** Assuming all protectionist policies are only designed to protect domestic jobs
  - Why it fails: Protectionism can also be used to protect infant industries, prevent dumping, or address national security concerns.
  - Correct: Evaluate the full set of policy objectives when analysing the justification for protectionist measures.
- **Wrong:** Assuming a current account deficit is always harmful for an economy
  - Why it fails: Temporary deficits can fund productive imports of capital goods that drive long-term economic growth.
  - Correct: Assess the size, duration, and root cause of a current account imbalance before judging its economic impact.

## Cheatsheet

| Concept | Key Definition |
| --- | --- |
| Basis for Specialisation | A country produces goods where it has superior resource allocation and/or cheaper production methods, described in broad terms with no calculations |
| Tariff | Tax imposed on imported goods to raise their price and reduce domestic demand for imports |
| Exchange Rate Appreciation | Increase in value of one currency relative to another, making imports cheaper and exports more expensive |
| Current Account Surplus | Occurs when value of exports of goods/services plus net income/transfers exceeds total imports |
| Opportunity Cost of Production | Value of the next best alternative forgone when producing one unit of a good |

## What's next

Begin your study of international trade by first mastering the core theory of international specialisation, which forms the basis for all subsequent discussions of global trade flows and policy. Work through each subtopic in order, as concepts build sequentially: understanding trade policy relies on knowledge of specialisation gains, while balance of payments analysis requires familiarity with exchange rate movements. After finishing this full unit, you will progress to the unit on economic development.

---

From [OwlsPrep](https://www.owlsprep.com) — free study guides for A-Level, IB, AP and IGCSE, written against the official syllabus. Canonical page: https://www.owlsprep.com/study/cie-0455-u6-overview/