1) International trade refers to the exchange of goods and services between countries. It consists of imports, which flow into a country, and exports, which flow out.
2) International trade exists because countries have different resources and production capacities. By specializing in certain goods and trading with other countries, all countries can increase their wealth.
3) International economics studies economic interactions and trade between countries, including topics like globalization, trade patterns, balance of payments, and foreign investment. It analyzes how international forces shape domestic economies.
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