This document discusses governmental trade barriers and reasons for their use. It outlines both economic and non-economic reasons for governments to intervene in trade, such as protecting infant industries, maintaining employment, and preserving national identity. Common trade barriers include tariffs, quotas, subsidies, and embargoes. Tariffs directly affect prices through import or export taxes, while non-tariff barriers can influence prices or quantities through measures like import quotas or subsidies. In general, governments employ various trade restrictions and supports to influence their country's trade relationships and performance for both economic and strategic policy reasons.
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