International trade, The buying and selling of goods and services between countries, Export, A good or service sold to a buyer in another country, Import, A good or service bought from a seller in another country, Comparative advantage, The ability to produce something at a lower opportunity cost than another country, Opportunity cost, What you give up when you choose one option over another, Tariff, A tax on imported goods, Exchange rate, The price of one currency expressed in another currency, Trade balance, The value of a country’s exports minus the value of its imports, Global value chain, A chain of entities from producer to consumer, Quota, A limit on the quantity of a good that may be imported

Basic terms _2026

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