What are tariffs?
Tariffs are taxes placed on imported goods by a government or a supranational union. Occasionally, tariffs can be applied to exports as well. They generate government revenue and serve as a trade regulation tool, often to shield domestic industries.
Four main categories of tariffs are:
- Ad valorem tariffs: These are calculated as a percentage of the good’s value. For instance, a 20% tax might be placed on $100 of goods.
- Specific tariffs: These are fixed fees based on the quantity of goods. For example, there might be a tariff of $5 per imported kilogram of sugar.
- Compound tariffs: These combine a specific duty and an ad valorem duty applied to the same imported goods. Both tariffs are calculated together to determine the total tax. For example, a country might place a tariff on imported wine at $5 per liter plus 10% of the wine’s value.
- Mixed tariffs: Mixed tariffs apply either a specific duty or an ad valorem duty, based on predefined conditions. For instance, for imported trucks, a country might charge either $5,000 per vehicle or 15% of the car’s value, whichever is greater.
The objective of such policy is to influence international trade flows, protect domestic industries, and respond to unfair practices by foreign countries. When a tariff is applied to an imported good, it raises its cost, making domestically produced alternatives more lucrative for customers regarding price.
In the US, the Trump administration uses reciprocal tariffs as a key instrument in influencing the trade policies of other countries. Reciprocal tariffs are trade duties a country imposes in retaliation to tariffs or barriers set by another country. This policy seeks to correct trade imbalances and safeguard domestic industries.
Tariffs are generally collected by the customs departments of a country at ports of entry based on the declared value and classification of goods.
Did you know? Some countries use tariff-rate quotas, allowing a set quantity of a product to be imported at a lower tariff. Once the quota is exceeded, a higher tariff kicks in. This system balances domestic protection with access to global markets, especially in sectors like agriculture and textiles.
Trump administration’s reciprocal tariff policy
US President Donald Trump signed an executive order on April 2, 2025, a day he called Liberation Day, citing his authority under the International Emergency Economic Powers Act (IEEPA). The order placed a minimum 10% tariff on all US imports effective April 5, 2025. Reciprocal tariffs went into effect on April 9, 2025.
Trump stated that the US would apply reciprocal tariffs at roughly half the rate imposed by other countries. For instance, the US imposed a 34% tariff in response to China’s 67%. A 25% tariff on all automobile imports was also announced.

The Trump administration’s reciprocal tariff policy is rooted in the belief that the US faced long-standing trade imbalances and unfair treatment by global trading partners. To address this, his administration pushed for what it called reciprocal tariffs, aiming at setting a tariff structure that matched or at least was close to tariffs that foreign nations imposed on American exports.
Under this approach, the administration used tariff policies to pressure countries to lower their trade barriers or renegotiate trade deals. The policy drew support from domestic manufacturers and labor groups for attempting to rebalance trade and support the US industry. But it also sparked criticism from economists and international allies who viewed it as protectionist and destabilizing the prevalent economic system in the world.
The reciprocal tariffs policy has reshaped US trade relations and marked a departure from decades of multilateral, open global trade policy.
Did you know? Tariffs can reshape supply chains. To avoid high import taxes, companies often relocate manufacturing to countries with favorable trade agreements. This shift doesn’t always benefit consumers, as savings are not always passed down, and logistics become more complex.
The US–China tariff war: A defining economic conflict
The US–China tariff war, which began in 2018 under the first Trump administration, marked a significant shift in global economic relations. The conflict between the world’s two largest economies had broad implications for global supply chains, inflation and geopolitical dynamics.
The trade conflict between the US and China wasn’t just a bilateral spat. It signaled a structural rethinking of trade policy in a multipolar world. The trade war began after the US imposed sweeping tariffs under Section 301 of the Trade Act of 1974, citing unfair trade practices, intellectual property theft and forced technology transfers by China.
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cointelegraph.com
