Global Economic Activity

NSWGeographySyllabus dot point

How do global networks of production link sites of value across the world?

Global value chains, global networks of production and consumption, and the integration of national economies into global activity

A focused answer on global value chains. The smile curve, lead firms, supplier hierarchies, and how shocks (COVID-19, US-China trade war, China tariffs) reshape global networks.

Generated by Claude OpusReviewed by Better Tuition Academy6 min answer

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What this dot point is asking

NESA expects you to understand global value chains (GVCs) as the dominant organisational pattern of modern global economic activity. The concept replaces older "national industry" framings. Most products you can name (cars, phones, clothing, processed food) are produced through GVCs spanning multiple countries, organised by a lead firm.

What is a global value chain

A GVC is a sequence of activities (design, sourcing, production, marketing, retail) that takes a product from concept to consumer, with each activity potentially in a different country. A handful of large lead firms organise the chain and capture most of the value.

The Organisation for Economic Co-operation and Development (OECD) estimates that around 70 percent of international trade now involves GVCs. The OECD's Trade in Value Added (TiVA) database tracks where value is created and captured.

The structure of a GVC

The smile curve

Value capture is uneven across the chain. The "smile curve" shows that intangible-intensive stages (R&D, design, brand, retail, services) capture the highest margins, while tangible production (component manufacture, assembly) captures the lowest. Lead firms organise the chain to capture both ends of the smile.

A 2010 study of the iPhone 3GS estimated that Apple captured around 58 percent of total retail value through design and brand, with Korean component makers capturing around 5 percent, Chinese assembly less than 2 percent, and the remainder spread across logistics, distribution, and other components.

Lead firms

The corporation that designs the product, owns the brand, and organises the chain. Examples by industry:

  • Electronics. Apple, Samsung, Huawei, Xiaomi.
  • Automotive. Toyota, Volkswagen, GM, Tesla.
  • Apparel. Nike, Adidas, H&M, Uniqlo.
  • Food and beverage. Nestle, Pepsico, Unilever, Coca-Cola.
  • Mining. BHP, Rio Tinto, Vale, Glencore.

Lead firms make the strategic decisions about where each stage happens, who the suppliers are, and how value is divided.

Tier-1, tier-2, tier-3 suppliers

Lead firms typically deal directly with tier-1 suppliers (Foxconn for Apple), who in turn coordinate tier-2 suppliers, who source from tier-3 producers. Visibility falls deeper into the chain, which is why supply-chain transparency for labour and environmental conditions is a persistent issue.

Spatial patterns of GVCs

Production stages locate where their costs are lowest

  • Design and high-end R&D clusters in advanced economies near universities and skilled labour markets (Silicon Valley, Boston, Cambridge UK, Tel Aviv, Shenzhen).
  • Capital-intensive component manufacture clusters in industrial regions with specialist capability (Taiwan for semiconductors, South Korea for memory and displays, Japan for precision components).
  • Labour-intensive assembly locates in low-wage regions (coastal China historically, Vietnam, India, Bangladesh, Mexico).
  • Distribution and retail locate near consumers.

Geographical clustering

GVCs often coexist with regional clusters of specialist firms. Shenzhen's electronics cluster contains thousands of component and module suppliers within a 50 km radius. Italy's Prato textile cluster, Germany's Stuttgart automotive cluster, and Bangalore's IT services cluster show the same pattern: specialist knowledge plus specialised suppliers plus skilled labour create regional advantages that compound over time.

National embeddedness

Even highly global activities are anchored to specific places. Apple's chip design happens in Cupertino because the engineers are there and the cluster network is there. BHP's iron ore mining happens in the Pilbara because the geology is there. The choice of location is not arbitrary; it reflects historic accumulation of skills, infrastructure, and resource endowments.

Shocks that reshape GVCs

COVID-19 (2020-2022)

Lockdowns in Shanghai (2022) and Vietnam (2021) shut down assembly plants. Container shipping rates rose from around US1,500per40footbox(2019)topeaksaboveUS1,500 per 40-foot box (2019) to peaks above US20,000 (late 2021). Lead firms responded by increasing inventory buffers, diversifying assembly geography (the "China plus one" strategy), and onshoring some capacity.

US-China trade war (2018-present)

US tariffs on Chinese goods from 2018 onwards forced electronics assemblers to move final assembly out of China to Vietnam, India, Mexico, and Malaysia. The Inflation Reduction Act (2022) and CHIPS Act (2022) provide US subsidies for semiconductor manufacturing in the US, restructuring the geography of chip production.

China-Australia trade (2020-2024)

China imposed import barriers on Australian barley, wine, beef, coal, lobster, timber and cotton from 2020. Australian exporters reoriented to other markets (India, ASEAN, the Middle East). Tariffs were progressively lifted from 2023, with wine the last to resume in May 2024.

Suez Canal blockage (2021)

The grounding of the Ever Given for six days disrupted around 12 percent of global trade volume. Lead firms with thin inventory buffers (auto manufacturers running just-in-time supply) lost weeks of production.

Red Sea attacks (2024)

Houthi attacks on shipping forced Asia-Europe container traffic around the Cape of Good Hope, adding 10-14 days transit and 25-30 percent to freight costs.

Integration of national economies

Global value chains have pulled national economies into deeper integration since the 1980s. Trade as a share of global GDP rose from around 35 percent in 1980 to around 60 percent in 2008, before plateauing. The 2020s have seen partial "decoupling" or "de-risking" between the US-led and China-led blocs.

For Australia, GVC integration has meant:

  • High concentration of trade with China (around 30 percent of total exports in 2019, around 26 percent in 2024).
  • Specialisation in primary commodities (iron ore, coal, gas, agriculture, wine).
  • Vulnerability to trade shocks, illustrated by the 2020-2024 China bans.
  • Diversification efforts since 2020 (Quad, India ECTA 2022, UK FTA 2023, AUKUS).

Why this matters for the HSC exam

Section III essay questions often ask you to analyse "global networks", "global linkages", or "the integration of economies". Strong responses use GVC concepts (lead firm, smile curve, supplier hierarchy, geographical clustering) and apply them to your chosen activity. Bring in a recent shock (COVID, China tariffs, Red Sea) to demonstrate that GVCs are dynamic.

Past exam questions, worked

Real questions from past NESA papers on this dot point, with our answer explainer.

Practice (NESA)6 marksOutline how global value chains organise production for ONE economic activity that you have studied.
Show worked answer →

A 6-mark "outline" needs the value chain stages, the lead firm, and the geography of each stage.

Use the iPhone as the example
Lead firm
Apple Inc., headquartered in Cupertino California. Apple captures around 60 percent of total iPhone value through brand, design, software, and retail margin.
Stage 1: design and software
Cupertino (California). High-skill, high-margin, low-employment.
Stage 2: component manufacture
Multiple countries. Samsung (South Korea) and SK Hynix (Korea) make memory. TSMC (Taiwan) makes the A-series chips. Sony (Japan) makes camera sensors. Murata (Japan) makes capacitors. Each is a specialist.
Stage 3: assembly
Mostly China (Foxconn at Zhengzhou, India (Foxconn Chennai), and Vietnam since 2023. Around 200,000 workers at the largest Zhengzhou plant. Low margin (around 1-3 percent for Foxconn).
Stage 4: distribution
Apple owns retail (Apple Stores in 25 countries) and a dominant online channel. Distribution captures high margin.
The smile curve
Value sits highest at design and brand (the left tail), lowest at component assembly (the middle), and high again at marketing and retail (the right tail). Lead firms organise the chain to capture the high-margin ends.

Markers reward (1) the lead firm named, (2) at least three stages with named countries, (3) the smile curve concept, (4) recognition of value capture.

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