Sectors of an economy which are particularly concerned about loss of markets and jobs through competition from imports. This applies particularly to sectors where developing countries have a comparative advantage. Agriculture, textiles and clothing, iron and steel, and basic chemicals fall in this category. Sensitive sectors in advanced economies have lobbied, usually successfully, for exemption from general trade liberalization measures.

• marginal physical product
• marginal private cost
• marginal product
• marginal productivity of capital
• marginal propensity to consume
• marginal propensity to import
• marginal propensity to save
• marginal rate of substitution
• marginal rate of technical substitution
• marginal rate of transformation
• marginal revenue
• marginal revenue product
• marginal social benefit
• marginal social cost
• marginal tax rate
• marginal utility
• marginal utility of money
• marginal utility of wealth
• margin requirement
• market
• marketable security
• market access
• market capitalization
• market clearing
• market economy