What it is
A tariff is essentially a duty or tax levied on imported goods when they cross a national border. Governments impose tariffs for various reasons, including protecting domestic industries from foreign competition, generating revenue, or as a tool in international trade negotiations. Tariffs increase the price of imported goods, making them less competitive compared to domestically produced alternatives. They can be specific (a fixed amount per unit) or ad valorem (a percentage of the good's value).
Tariffs frequently appear in economic news and policy discussions, especially during trade disputes between countries. When tariffs are imposed, they can lead to higher consumer prices for affected goods, reduced sales for foreign exporters, and retaliatory tariffs from other nations. Businesses in import-heavy sectors might see increased costs, while domestic industries that compete with imports could benefit. Investors follow tariff announcements closely as they can impact corporate earnings, supply chains, and global trade flows.
Why it matters
Tariffs directly influence the cost and availability of goods, impacting consumer prices, corporate profits, and international trade relations, which affects investment decisions.
Reviewed under editorial standardsUpdated September 26, 2026Not investment advice