Intro to Business › Section C · Competing in the global marketplace › Topic C.3
Barriers to trade
Comparative advantage says trade pays, but goods still meet obstacles at every border. Some are natural, such as distance and language; others are built by governments. Knowing how each one works lets a manager price an import, choose a supplier and anticipate policy changes.
In this topic
- Three kinds of barrier
- Natural barriers
- Tariffs and how they are set
- Worked example: three ways to charge a duty
- Worked example: does the tariff change the supplier?
- US tariff policy in 2025 and 2026
- Quotas, tariff-rate quotas and embargoes
- Buy-national rules, standards and exchange controls
- Common mistakes to avoid
- Key takeaways
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