+A **tariff** is a [tax](/wiki/tax) levied on [imported goods](/wiki/import) or services. It is often imposed to protect domestic industries from foreign competition or to generate government revenue, significantly influencing international [trade](/wiki/trade).
+## See also
+- [Protectionism](/wiki/protectionism)
+- [Free Trade](/wiki/free_trade)
+- [Customs](/wiki/customs)
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