Protectionism:Protectionism refers to government policies and actions designed to shield domestic industries and producers from foreign competition, often through the use of tariffs, quotas, or subsidies.
Tariffs:Tariffs are taxes or duties imposed on imported goods, which increase the prices of those goods in the domestic market, making domestic products more competitive.
Comparative Advantage:Comparative advantage is the ability of a country to produce a good more efficiently and at a lower opportunity cost than another country, which forms the basis for international trade.