What is International Trade?
International trade is the exchange of goods and services between countries across borders. Countries export (sell abroad) and import (buy from abroad) based on comparative advantage—each nation specializes in what it makes best and trades for the rest. Trade increases consumer choice, lowers prices, and drives growth through specialization.
International trade is the exchange of goods and services between countries. Each nation specializes in its comparative advantage and trades to gain resources and lower costs—creating mutual benefit.
- •Goods made at home, sold abroad
- •Brings money INTO the country
- •Supports local jobs and factories
- •Example: US exports wheat to Germany
- •Goods made abroad, bought locally
- •Uses money FROM the country
- •Brings foreign goods to consumers
- •Example: US imports phones from China
Step-by-step worked examples
Germany grows wheat efficiently but makes cars even more efficiently. Should it grow wheat or make cars to trade?
Comparative advantage = what you're relatively best at (opportunity cost lowest) Germany should make cars (absolute advantage) → trade for wheat Trade lets both countries get more than they could alone
USA exports $1.8 trillion in goods yearly. What does this mean for the economy?
Exports = goods sold to other countries Exports bring foreign money INTO the US Supports millions of US jobs in manufacturing, farming, tech
China imports $200 billion in raw materials (oil, metals) yearly. Why?
China makes goods that need these materials It's cheaper to import than to mine domestically Allows China to focus on manufacturing (comparative advantage)
Flashcards
Quick quiz
Q1.If Country A grows wheat cheaper than Country B, should Country A…
Q2.Exports bring ____ into a country.
Q3.When you buy a phone made in Taiwan in the US, the US is…
Q4.International trade increases prices for consumers…
The full card deck, worked steps and AI-tutor support for “What is International Trade?” are in Notek — study by hand before your exam.
Common mistakes
Thinking a country should make everything it needs. — Correct: Specialization + trade is more efficient. Each nation focuses on its comparative advantage.
Confusing exports and imports. — Correct: Exports = OUT (money in). Imports = IN (money out).
Viewing trade as a zero-sum game (one country wins, one loses). — Correct: Trade is mutual gain—both countries benefit from specialization and lower costs.
Ignoring that trade can displace local workers in less efficient industries. — Correct: True, but economy-wide, trade creates new jobs and growth—workers transition to better industries.
FAQ
What is international trade?
Trade of goods and services across countries. Countries export what they're best at and import the rest for mutual gain.
Why do countries trade?
Comparative advantage: each nation specializes in its most efficient production and trades for other goods at lower cost.
Do consumers benefit from international trade?
Yes—more choices, lower prices due to global competition, and access to goods that aren't made locally.
What is a trade deficit?
When imports > exports (country buys more than it sells). Not necessarily bad—can mean strong consumer demand and cheap goods.