How does international trade work, who controls access to markets, and why are the benefits unevenly shared?
Patterns and trends in international trade and investment; trading blocs, trade agreements and access to markets; differential access and its consequences; and the role of trade in development and inequality.
A focused answer to the AQA A-Level Geography 3.2.1 content on international trade and access to markets, covering patterns and trends in trade and investment, trading blocs and agreements, differential access to markets, and the role of trade in development and global inequality.
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What this dot point is asking
AQA section 3.2.1 wants you to describe the patterns and trends in international trade and investment, explain how trading blocs and agreements shape access to markets, analyse the consequences of differential access, and evaluate trade's role in development and inequality. The recurring exam theme is that the gains from trade are unevenly distributed.
Patterns and trends in trade and investment
Global trade has grown rapidly with globalisation, but its geography is uneven. A large share of trade still flows between and within developed regions and emerging Asian economies, while many of the poorest countries remain marginal. Foreign direct investment (FDI) by TNCs follows opportunity, flowing to where labour, markets and conditions are most favourable. A key pattern is the contrast between high-value exports (manufactures, services, technology) and low-value primary exports (raw materials, agricultural commodities), which shapes who gains most.
Trading blocs and access to markets
Blocs and trade agreements create differential access: members gain easier access to each other's markets, boosting intra-bloc trade and investment, while non-members face the bloc's common external barriers. This can divert trade towards members and disadvantage poorer outsiders. Bodies such as the World Trade Organization (WTO) aim to liberalise trade globally, but agriculture subsidies and protectionism in wealthier economies still restrict access for developing-country exporters.
Differential access, development and inequality
Trade can nonetheless drive development: countries that secure good market access and move into higher-value production (the emerging Asian economies) have grown rapidly and reduced poverty. So trade is double-edged: it widens inequality where access is unequal and countries are stuck in low-value roles, but reduces it where they integrate on favourable terms.
Try this
Q1. Define a trading bloc. [2 marks]
- Cue. A group of countries that reduce or remove trade barriers between themselves, for example the EU or ASEAN.
Q2. Explain why exporting primary commodities can limit a country's development. [3 marks]
- Cue. Primary commodity prices are volatile and the producer captures little of the value chain, so income is unstable and low.
Q3. Explain one way trading blocs can disadvantage non-members. [3 marks]
- Cue. Members face a common external barrier, so non-members pay tariffs and lose market access, diverting trade away from them.
Exam-style practice questions
Practice questions written in the style of AQA exam questions on this dot point, with worked answer explainers. The year tag is the paper they imitate, not the source.
AQA 2019 (style)6 marksExplain how trading blocs affect access to markets.Show worked answer →
A 6 mark "explain" question (AO1). A trading bloc (such as the EU or ASEAN) removes or lowers tariffs and barriers between members, so members gain easier access to each other's markets, boosting intra-bloc trade and investment.
But the bloc raises a common external barrier against non-members, so outsiders face tariffs and quotas and reduced access. This can divert trade towards members (trade diversion) and disadvantage poorer non-member exporters, who may struggle to compete or to add value.
Markers reward the two-sided effect: easier access within the bloc, harder access for outsiders, and the consequences for trade flows and development. Top answers note that blocs can entrench inequality between members and non-members.
AQA 2021 (style)9 marksAssess the view that international trade widens global inequality.Show worked answer →
A 9 mark "assess" question (AO1 plus AO2): reach a judgement. Supporting the view: developing countries are often locked into exporting low-value primary commodities with volatile prices, while high-value manufacturing and services concentrate in developed economies and TNCs capture most of the value (the terms of trade worsen for primary exporters). Trade barriers and subsidies in rich countries restrict market access for poorer ones.
Against: trade has lifted hundreds of millions out of poverty in emerging economies (the global shift), and access to global markets can drive growth and development where countries can add value and diversify.
The judgement: trade can widen inequality where access is unequal and countries are stuck in low-value roles, but it can also reduce it where countries integrate on favourable terms; the outcome depends on market access, value added and governance. Reward a calibrated conclusion with examples.
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Sources & how we know this
- AQA A-level Geography (7037) specification — AQA (2016)