Import Substitution Industrialisation

Import substitution industrialisation is a development strategy in which a country promotes the domestic production of goods that it previously imported. Its central logic is that temporary protection from foreign competition, combined with state support, allows domestic industries to develop productive and technological capabilities.

How the strategy works

The government alters incentives so that producing goods at home becomes more attractive than importing them.

• Tariffs raise the domestic price of imported goods, while quotas or licensing restrict their quantity.
• Credit, subsidies, infrastructure and public investment may support selected domestic industries.
• Planning often prioritises capital goods and basic industries because they can provide machinery and inputs to the wider economy.

Why industrialisation is expected to follow

The strategy assumes that new industries cannot initially match established foreign producers but can become competitive after gaining scale, skills and experience.

• Protection gives infant industries time to learn, invest and expand without being displaced by cheaper imports.
• Replacing imports is expected to conserve foreign exchange, particularly where export earnings are limited.
• Domestic production can diversify the economy, create industrial employment and reduce dependence on external suppliers.
• Industrial expansion can build local technological and managerial capabilities through production and learning.

Limits of the strategy

Protection can create industrial capacity, but prolonged insulation from competition may weaken incentives to improve efficiency and quality.

• A protected domestic market may permit high-cost production, outdated technology and limited consumer choice.
• Import dependence may persist because domestic industries still require machinery, components or raw materials from abroad.
• Licensing and quantitative controls can encourage rent-seeking and inefficient allocation of resources.
• The central policy challenge is therefore to combine capability-building support with competition, performance discipline and eventual exposure to wider markets.