hi:For other uses of this word, see tariff (disambiguation). A tariff (from Arabic: تعرفة, translit. tʿariffa: "fee to be paid") is a duty imposed on goods when they are moved across a political boundary. History They are usually associated with protectionism, the economic policy of restraining trade between nations. For political reasons, tariffs are usually imposed on imported goods, although they may also be imposed on exported goods. In the past, tariffs fo… (More on Tariff)