2.12

International Trade and Public Policy

AP Microeconomics

Why Nations Trade

World Price and Trade

123456789101112123456789101112QuantityPrice ($)QsQdDSWorld Price (Pw)

With Pw below domestic equilibrium, the country imports (Qd - Qs)

Importing Country Effects

Tariffs

123456789101112123456789101112QuantityPrice ($)Qs₁Qd₁Qs₂Qd₂DSPwPw + Tariff

Tariff raises domestic price, reducing imports from (Qd₁-Qs₁) to (Qd₂-Qs₂)

Effects of a Tariff

Tariff DWL

Import Quotas

Comparing Tariffs and Quotas

Arguments For and Against Trade Barriers

Export Subsidies

Worked Example

AP Exam Tips

Common Mistakes