Reasons for trade restrictions: protect declining (sunset) industries

Published by Patrick Mutisya · 14 days ago

IGCSE Economics – Globalisation and Trade Restrictions: Protecting Declining (Sunset) Industries

International Trade and Globalisation

Focus: Trade Restrictions to Protect Declining (Sunset) Industries

In many economies, certain sectors experience a long‑term decline because of changes in technology, consumer preferences, or international competition. These are often called sunset industries. Governments may intervene in international trade to give these industries a chance to adjust or to preserve employment.

Why Governments Protect Sunset Industries

  • Employment preservation: Prevents large‑scale job losses in regions heavily dependent on the industry.
  • Social stability: Reduces the risk of unrest, poverty, and migration from affected areas.
  • Strategic considerations: Some declining sectors may still hold strategic importance (e.g., defence‑related manufacturing).
  • Economic restructuring time: Allows the economy to transition gradually rather than abruptly.
  • Political pressure: Lobby groups and unions often influence policy to protect jobs.

Common Trade Restrictions Used

  1. Import tariffs – a tax on imported goods, raising their price relative to domestic products.
  2. Import quotas – a limit on the quantity of a particular good that can be imported.
  3. Export subsidies – financial assistance to domestic producers to make their exports more competitive.
  4. Import licensing – requiring firms to obtain permission before importing certain goods.
  5. Anti‑dumping duties – additional tariffs imposed when foreign firms sell below cost to undermine domestic producers.

Effectiveness of Protection Measures

MeasureHow it Helps Sunset IndustriesPotential Downsides
Import tariffRaises price of foreign substitutes, making domestic goods relatively cheaper.Higher prices for consumers; possible retaliation from trade partners.
Import quotaLimits competition by restricting volume of imports.Creates scarcity, can lead to black markets, and may reduce overall welfare.
Export subsidyBoosts domestic producers’ revenue, encouraging investment and employment.Fiscal cost to government; may violate WTO rules.
Import licensingAllows selective control over which goods enter the market.Administrative burden; risk of corruption.
Anti‑dumping dutyCounters unfair pricing that would otherwise drive domestic firms out.Requires proof of dumping; can be contested in WTO disputes.

Economic Theory Behind Protection

When a domestic industry is in decline, its marginal cost of production may be higher than the world price. In a free‑trade scenario, the industry would contract, and resources would shift to more efficient uses. Protection attempts to alter the market outcome by raising the effective price of imports:

\$\$

P{effective}=P{world}+t

\$\$

where \$t\$ is the tariff per unit. The domestic price \$P{domestic}\$ can then be set at or above \$P{effective}\$, allowing the sunset industry to continue operating.

Arguments For Protection

  • Mitigates short‑term unemployment spikes.
  • Preserves specialised skills and capital that could be redeployed later.
  • Supports regional development policies.

Arguments Against Protection

  • Resources may remain trapped in low‑productivity sectors.
  • Consumers face higher prices and reduced choice.
  • Long‑term growth may be hampered by reduced competition and innovation.
  • Risk of trade wars and retaliation.

Case Study: The British Textile Industry (1970s‑1980s)

Faced with competition from low‑cost producers in Asia, the UK government introduced import quotas and temporary subsidies. While employment in textiles fell, the measures slowed the decline, giving workers time to retrain for emerging sectors such as services and technology.

Suggested diagram: A supply‑and‑demand graph showing the effect of a tariff on the domestic market for a sunset industry (shift in import supply curve, new equilibrium price and quantity).

Key Points to Remember

  1. Sunset industries are declining due to structural changes, not temporary shocks.
  2. Trade restrictions aim to protect jobs, maintain social stability, and allow time for economic adjustment.
  3. Common tools include tariffs, quotas, subsidies, licensing, and anti‑dumping duties.
  4. While protection can provide short‑term relief, it often carries long‑term efficiency costs.
  5. Policy decisions must balance domestic welfare with international obligations (e.g., WTO rules).