Import tariff

A tariff or import tax is a duty imposed by a national government, customs territory, or supranational union on imports of goods and is paid by the importer. Exceptionally, an export tax may be levied on exports of goods or raw materials and is paid by the exporter. Besides being a source of revenue, import duties can also be a form of regulation of foreign trade and policy that burden foreign products to encourage or safeguard domestic industry. Protective tariffs are among the most widely used instruments of protectionism, along with import quotas and export quotas and other non-tariff barriers to trade.

Tariffs can be fixed (a constant sum per unit of imported goods or a percentage of the price) or variable (the amount varies according to the price). Tariffs on imports are designed to raise the price of imported goods to discourage consumption. The intention is for citizens to buy local products instead, which, according to supporters, would stimulate their country's economy. Tariffs therefore provide an incentive to develop production and replace imports with domestic products. Tariffs are meant to reduce pressure from foreign competition and, according to supporters, would help reduce the trade deficit. They have historically been justified as a means to protect infant industries and to allow import substitution industrialisation (industrializing a nation by replacing imported goods with domestic production). Tariffs may also be used to rectify artificially low prices for certain imported goods, due to dumping, export subsidies or currency manipulation. The effect is to raise the price of the goods in the destination country.

There is near unanimous consensus among economists that tariffs are self-defeating and have a negative effect on economic growth and economic welfare, while free trade and the reduction of trade barriers has a positive effect on economic growth. American economist Milton Friedman said of tariffs: "We call a tariff a protective measure. It does protect . . . It protects the consumer against low prices." Although trade liberalisation can sometimes result in unequally distributed losses and gains, and can, in the short run, cause economic dislocation of workers in import-competing sectors, the advantages of free trade are lowering costs of goods for both producers and consumers. The economic burden of tariffs falls on the importer, the exporter, and the consumer. Often intended to protect specific industries, tariffs can end up backfiring and harming the industries they were intended to protect through rising input costs and retaliatory tariffs. Import tariffs can also harm domestic exporters by disrupting their supply chains and raising their input costs.

Etymology

The English term ''tariff'' derives from the which is itself a descendant of the which derives from . This term was introduced to the Latin-speaking world through contact with the Turks and derives from the . This Turkish term is a loanword of the . The Persian term derives from which is the verbal noun of .

History

Ancient Greece

In the city state of Athens, the port of Piraeus enforced a system of levies to raise taxes for the Athenian government. Grain was a key commodity that was imported through the port, and Piraeus was one of the main ports in the east Mediterranean. A levy of two percent was placed on goods arriving in the market through the docks of Piraeus. The Athenian government also placed restrictions on the lending of money and transport of grain to only be allowed through the port of Piraeus.

Britain

In the 14th century, Edward III took interventionist measures, such as banning the import of woollen cloth in an attempt to develop local manufacturing. Beginning in 1489, Henry VII took actions such as increasing export duties on raw wool. The Tudor monarchs, especially Henry VIII and Elizabeth I, used protectionism, subsidies, distribution of monopoly rights, government-sponsored industrial espionage and other means of government intervention to protect the wool industry.

A protectionist turning point in British economic policy came in 1721, when policies to promote manufacturing industries were introduced by Robert Walpole. These included, for example, increased tariffs on imported foreign manufactured goods, export subsidies, reduced tariffs on imported raw materials used for manufactured goods and the abolition of export duties on most manufactured goods. Thus, the UK was among the first countries to pursue a strategy of large-scale infant-industry development. Outlining his policy, Walpole declared:

Nothing contributes as much to the promotion of public welfare as the export of manufactured goods and the import of foreign raw materials.

Walpole's protectionist policies continued over the next century. Britain remained a highly protectionist country until the mid-19th century. By 1820, the UK's average tariff rate on manufactured imports was 45-55%. Moreover, in its colonies, the UK imposed a total ban on advanced manufacturing activities that the country did not want to see developed. Walpole forced Americans to specialize in low-value-added products. The UK also banned exports from its colonies that competed with its own products at home and abroad. The country banned imports of cotton textiles from India, which at the time were superior to British products. It banned the export of woollen fabrics from its colonies to other countries (Wool Act). Finally, Britain wanted to ensure that the colonists stuck to the production of raw materials and never became a competitor to British manufacturers. Policies were established to encourage the production of raw materials in the colonies. Walpole granted export subsidies (on the American side) and abolished import taxes (on the British side) on raw materials produced in the American colonies. The colonies were thus forced to leave the most profitable industries in the hands of the United Kingdom.

In 1800, Britain, with about 10% of Europe's population, supplied 29% of all pig iron produced in Europe, a proportion that had risen to 45% by 1830. Per capita industrial production was even higher: in 1830 it was 250% higher than in the rest of Europe, up from 110% in 1800.

Protectionist industrial policies remained in place until the mid-19th century. At the beginning of that century, the average tariff on British manufactured goods was about 50%, the highest of all major European countries. Despite its growing technological lead over other nations, the UK continued its protectionist policy until the mid-19th century, maintaining very high tariffs on manufactured goods until the 1820s, two generations after the start of the Industrial Revolution.

Free trade in Britain began in earnest with the repeal of the Corn Laws in 1846, which was equivalent to free trade in grain. The Corn Acts had been passed in 1815 to restrict wheat imports and to guarantee the incomes of British farmers; their repeal devastated Britain's old rural economy, but began to mitigate the effects of the Great Famine in Ireland. Tariffs on many manufactured goods were also abolished. But while free-trade was progressing in Britain, protectionism continued on the European mainland and in the United States.

Customs duties on many manufactured goods were also abolished. The Navigation Acts were abolished in 1849 when free traders won the public debate in the UK. But while free trade progressed in the UK, protectionism continued on the Continent. The UK unilaterally pursued free trade, even as most other industrial powers retained protectionist policies. For example the USA emerged from the Civil War even more explicitly protectionist than before, Germany under Bismarck rejected free trade, and the rest of Europe followed suit.

After the 1870s, the British economy continued to grow, but inexorably lagged behind the protectionist United States and Germany: from 1870 to 1913, industrial production grew at an average annual rate of 4.7% in the USA, 4.1% in Germany and only 2.1% in Great Britain. Thus, Britain was finally overtaken economically by the United States around 1880. British leadership in fields such as steel and textiles was eroded, and the country fell behind as new, more technologically advanced industries emerged after 1870 in other countries still practicing protectionism.

On June 15, 1903, the Secretary of State for Foreign Affairs, Henry Petty-Fitzmaurice, 5th Marquess of Lansdowne, made a speech in the House of Lords in which he defended fiscal retaliation against countries that applied high tariffs and whose governments subsidised products sold in Britain (known as "premium products", later called " dumping"). The retaliation was to take the form of threats to impose duties in response to goods from that country. Liberal unionists had split from the liberals, who advocated free trade, and this speech marked a turning point in the group's slide toward protectionism. Lansdowne argued that the threat of retaliatory tariffs was similar to gaining respect in a room of gunmen by pointing a big gun (his exact words were "a gun a little bigger than everyone else's"). The "Big Revolver" became a slogan of the time, often used in speeches and cartoons.

In response to the Great Depression, Britain temporarily abandoned free trade in 1932. The country reintroduced large-scale tariffs.

United States

Before the new Constitution took effect in 1789, the Congress could not levy taxesit sold land or begged money from the states. The new national government needed revenue and decided to depend upon a tax on imports with the Tariff of 1789. The policy of the U.S. before 1860 was low tariffs "for revenue only" (since duties continued to fund the national government).

The Embargo Act of 1807 was passed by the U.S. Congress in that year in response to European interference with American merchant shipping. While not a tariff per se, the Act prohibited the import of all kinds of manufactured imports, resulting in a huge drop in US trade and protests from all regions of the country. However, the embargo also had the effect of launching new, emerging US domestic industries across the board, particularly the textile industry, and marked the beginning of the manufacturing system in the United States.

An attempt at imposing a high tariff occurred in 1828, but the South denounced it as a "Tariff of Abominations" and it almost caused a rebellion in South Carolina until it was lowered.

Between 1816 and the end of the Second World War, the United States had one of the highest average tariff rates on manufactured imports in the world. According to Paul Bairoch, the United States was "the homeland and bastion of modern protectionism" during this period.

Many American intellectuals and politicians during the country's catching-up period felt that the free trade theory advocated by British classical economists was not suited to their country. They argued that the country should develop manufacturing industries and use government protection and subsidies for this purpose, as Britain had done before them. Many of the American economists of the time, until the last quarter of the 19th century, were strong advocates of industrial protection: Daniel Raymond who influenced Friedrich List, Mathew Carey and his son Henry, who was one of Lincoln's economic advisers. The intellectual leader of this movement was Alexander Hamilton, the first Secretary of the Treasury of the United States (1789–1795). The United States rejected David Ricardo's theory of comparative advantage and protected its industry. The country pursued a protectionist policy from the beginning of the 19th century until the middle of the 20th century, after the Second World War.

In Report on Manufactures, considered the first text to express modern protectionist theory, Alexander Hamilton argued that if a country wished to develop a new activity on its soil, it would have to temporarily protect it. According to him, this protection against foreign producers could take the form of import duties or, in rare cases, prohibition of imports. He called for customs barriers to allow American industrial development and to help protect infant industries, including bounties (subsidies) derived in part from those tariffs. He also believed that duties on raw materials should be generally low. Hamilton argued that despite an initial "increase of price" caused by regulations that control foreign competition, once a "domestic manufacture has attained to perfection... it invariably becomes cheaper. In this report, Hamilton also proposed export bans on major raw materials, tariff reductions on industrial inputs, pricing and patenting of inventions, regulation of product standards and development of financial and transportation infrastructure. The U.S. Congress adopted the tariffs but refused to grant subsidies to manufactures.

Alexander Hamilton and Daniel Raymond were among the first theorists to present the infant industry argument. Hamilton was the first to use the term "infant industries" and to introduce it to the forefront of economic thinking. Hamilton believed that political independence was predicated upon economic independence. Increasing the domestic supply of manufactured goods, particularly war materials, was seen as an issue of national security. And he feared that Britain's policy towards the colonies would condemn the United States to be only producers of agricultural products and raw materials.

Britain initially did not want to industrialise the American colonies, and implemented policies to that effect (for example, banning high value-added manufacturing activities). Under British rule, America was denied the use of tariffs to protect its new industries. This explains why, after independence, the Tariff Act of 1789 was the second bill of the Republic signed by President Washington allowing Congress to impose a fixed tariff of 5% on all imports, with a few exceptions.

The Congress passed a tariff act (1789), imposing a 5% flat rate tariff on all imports. Between 1792 and the war with Britain in 1812, the average tariff level remained around 12.5%, which was too low to encourage consumers to buy domestic products and thus support emerging American industries. When the War of 1812 broke out, all rates doubled to an average of 25% to account for increased government spending. The war paved the way for new industries by disrupting manufacturing imports from the UK and the rest of Europe. A major policy shift occurred in 1816, when American manufacturers who had benefited from the tariffs lobbied to retain them. New legislation was introduced to keep tariffs at the same levels —especially protected were cotton, woolen, and iron goods. The American industrial interests that had blossomed because of the tariff lobbied to keep it, and had it raised to 35 percent in 1816. The public approved, and by 1820, America's average tariff was up to 40 percent.

19th century onwards

In the 19th century, statesmen such as Senator Henry Clay continued Hamilton's themes within the Whig Party under the name " American System" which consisted of protecting industries and developing infrastructure in explicit opposition to the "British system" of free trade. Before 1860 they were always defeated by the low-tariff Democrats.

From 1846 to 1861, American tariffs were lowered but this was followed by a series of recessions and the 1857 panic, which eventually led to higher demands for tariffs than President James Buchanan signed in 1861 (Morrill Tariff).

During the American Civil War (1861–1865), agrarian interests in the South were opposed to any protection, while manufacturing interests in the North wanted to maintain it. The war marked the triumph of the protectionists of the industrial states of the North over the free traders of the South. Abraham Lincoln was a protectionist like Henry Clay of the Whig Party, who advocated the "American system" based on infrastructure development and protectionism. Once elected, Lincoln implemented a 44-percent tariff during the Civil War—in part to pay for railroad subsidies and for the war effort, and to protect favored industries. After the war, tariffs remained at or above wartime levels. High tariffs were a policy designed to encourage rapid industrialisation and protect the high American wage rates.

The policy from 1860 to 1933 was usually high protective tariffs (apart from 1913 to 1921). After 1890, the tariff on wool did affect an important industry, but otherwise the tariffs were designed to keep American wages high. The conservative Republican tradition, typified by William McKinley was a high tariff, while the Democrats typically called for a lower tariff to help consumers but they always failed until 1913.F.W. Taussig,. ''The Tariff History of the United States''. 8th ed. (1931)
5th ed. 1910 is online

In the early 1860s, Europe and the United States pursued completely different trade policies. The 1860s were a period of growing protectionism in the United States, while the European free trade phase lasted from 1860 to 1892. The tariff average rate on imports of manufactured goods in 1875 was from 40% to 50% in the United States, against 9% to 12% in continental Europe at the height of free trade.

After the United States caught up with European industries in the 1890s, the Mckinley Tariff's argument was no longer to protect "infant industries", but to maintain workers' wages, support agricultural protection and the principle of reciprocity.

In 1913, following the electoral victory of the Democrats in 1912, there was a significant reduction in the average tariff on manufactured goods from 44% to 25%. However, the First World War rendered this bill ineffective, and new "emergency" tariff legislation was introduced in 1922 after the Republicans returned to power in 1921.

According to economic historian Douglas Irwin, a common myth about United States trade policy is that low tariffs harmed American manufacturers in the early 19th century and then that high tariffs made the United States into a great industrial power in the late 19th century. A review by the ''Economist'' of Irwin's 2017 book ''Clashing over Commerce: A History of US Trade Policy'' notes:

Political dynamics would lead people to see a link between tariffs and the economic cycle that was not there. A boom would generate enough revenue for tariffs to fall, and when the bust came pressure would build to raise them again. By the time that happened, the economy would be recovering, giving the impression that tariff cuts caused the crash and the reverse generated the recovery. Mr Irwin also methodically debunks the idea that protectionism made America a great industrial power, a notion believed by some to offer lessons for developing countries today. As its share of global manufacturing powered from 23% in 1870 to 36% in 1913, the admittedly high tariffs of the time came with a cost, estimated at around 0.5% of GDP in the mid-1870s. In some industries, they might have sped up development by a few years. But American growth during its protectionist period had more to do with its abundant resources and openness to people and ideas.

Tariffs and the Great Depression

Economist Douglas A. Irwin assesses the impact of the Smoot-Hawley Act: in the two years following the imposition of the Smoot-Hawley tariff in June 1930, the volume of U.S. imports fell by over 40%. He shows that part of this collapse in trade is attributed to the tariff itself, and not to other factors such as falling incomes or foreign retaliation. Partial and general equilibrium evaluations indicate that the Smoot-Hawley tariff reduced imports by between 4% and 8% (ceteris paribus). In addition, a counterfactual simulation suggests that almost a quarter of the observed 40% drop in imports can be attributed to the increase in the effective tariff (i.e. Smoot-Hawley plus deflation).

Irwin argues that while the Smoot-Hawley Tariff Act was not the primary cause of the Great Depression, it contributed to its severity by provoking international retaliation and reducing global trade. The Smoot-Hawley Tariff Act raised the average level of tariffs on dutiable imports by 15 to 18 percent. What mitigated the impact of Smoot-Hawley was the small size of the trade sector at the time. Only a third of total imports to the United States in 1930 were subject to duties, and those dutiable imports represented only 1.4 percent of GDP. According to Irwin, there is no evidence that the legislation achieved its goals of net job creation or economic recovery. Even from a Keynesian perspective, the policy was counterproductive, as the decline in exports exceeded the reduction in imports. While falling foreign incomes were a key factor in the collapse of U.S. exports, the tariff also limited foreign access to U.S. dollars, appreciating the currency and making American goods less competitive abroad. Irwin emphasizes that one of the most damaging consequences of the Act was the deterioration of the United States' trade relations with key partners. Enacted at a time when the League of Nations was seeking to implement a global "tariff truce", the Smoot-Hawley Tariff was widely perceived as a unilateral and hostile move, undermining international cooperation. In his assessment, the most significant long-term impact was that the resentment it generated encouraged other countries to form discriminatory trading blocs. These preferential arrangements, diverted trade away from the United States and hindered the global economic recovery.

In a November 2024 article,''The Economist'' observed that the Act, "which raised average tariffs on imports by around 20% and incited a tit-for-tat trade war, was devastatingly effective: global trade fell by two-thirds. It was so catastrophic global trade fell by two-thirds. It was so catastrophic for growth in America and around the world that legislators have not touched the issue since. 'Smoot-Hawley' became synonymous with disastrous policy making".

Economist Milton Friedman argued that while the tariffs of 1930 caused harm, they were not the main cause for the Great Depression. He placed greater blame on the lack of sufficient action on the part of the Federal Reserve.

Paul Krugman writes that protectionism does not lead to recessions. According to him, the decrease in imports (which can be obtained by introducing tariffs) has an expansive effect, that is, it is favourable to growth. Thus, in a trade war, since exports and imports will decrease equally, for everyone, the negative effect of a decrease in exports will be offset by the expansionary effect of a decrease in imports. Therefore, a trade war does not cause a recession. Furthermore, in his view, the Smoot–Hawley Tariff Act did not cause the Great Depression and that the decline in trade between 1929 and 1933 "was almost entirely a consequence of the Depression, not a cause. Trade barriers were a response to the Depression".

Peter Temin, an economist at the Massachusetts Institute of Technology, has agreed that the contractionary effect of the tariff was small. Other economists have contended that the record tariffs of the 1920s and early 1930s exacerbated the Great Depression in the U.S., in part because of retaliatory tariffs imposed by other countries on the United States.

Basic economic analysis

Economic analyses of tariffs generally find that tariffs distort the free market and increase prices of both foreign and domestic products. The welfare effects of tariffs on an importing country are usually negative, even if other countries do not retaliate, as the loss of foreign competition drives up prices for domestic goods by the amount of the tariff. The diagrams at right show the costs and benefits of imposing a tariff on a good in the domestic economy under the standard model of tariffs in a competitive economy. Because of its importance, simplicity, and widespread applicability, this microeconomic model of tariffs is usually taught in introductory (first-year) microeconomics courses.

Imposing an import tariff has the following effects, shown in the first diagram in a hypothetical domestic market for televisions:
*Price rises from world price Pw to higher tariff price Pt.
*Quantity demanded by domestic consumers falls from C1 to C2, a movement along the demand curve due to higher price.
*Domestic suppliers are willing to supply Q2 rather than Q1, a movement along the supply curve due to the higher price, so the quantity imported falls from C1−Q1 to C2−Q2.
*Consumer surplus (the area under the demand curve but above price) shrinks by areas A+B+C+D, as domestic consumers face higher prices and consume lower quantities.
*Producer surplus (the area above the supply curve but below price) increases by area A, as domestic producers shielded from international competition can sell more of their product at a higher price.
*Government tax revenue equals the import quantity (C2 − Q2) multiplied by the tariff price (Pw − Pt), shown as area C.
*Areas B and D are deadweight losses, surplus formerly captured by consumers that is now lost to all parties.

The overall change in welfare = Change in Consumer Surplus + Change in Producer Surplus + Change in Government Revenue = (−A−B−C−D) + A + C = −B−D. The final state after imposition of the tariff has overall welfare reduced by the areas B and D. The losses to domestic consumers are greater than the combined benefits to domestic producers and government.

Tariffs are generally more inefficient than consumption taxes.

Optimal tariff

For economic efficiency, ''free trade'' is often the best policy, however levying a tariff is sometimes ''second best''.

A tariff is called an optimal tariff if it is set to maximise the welfare of the country imposing the tariff. It is a tariff derived from the intersection between the ''trade indifference curve'' of that country and the offer curve of another country. In this case, the welfare of the other country grows worse simultaneously, thus the policy is a kind of '' beggar thy neighbor policy''. If the offer curve of the other country is a line through the origin point, the original country is in the ''condition of a small country'', so any tariff worsens the welfare of the original country.

It is possible to levy a tariff as a political policy choice, and to consider a theoretical optimum tariff rate. However, imposing an optimal tariff will often lead to the foreign country increasing their tariffs as well, leading to a loss of welfare in both countries. When countries impose tariffs on each other, they will reach a position off the contract curve, meaning that both countries' welfare could be increased by reducing tariffs.

Impact

Domestic output, productivity and welfare

An empirical study by Furceri et al. (2019) found that protectionist policies like raising tariffs significantly reduce domestic output and productivity. A study from 1999 by Frankel and Romer showed that, after accounting for other factors, countries with more trade tend to have higher growth and income. The effect is quantitatively large and statistically significant.

That tariffs overall reduce welfare is not controversial among economists.In a 2018 survey by the University of Chicago, about 40 top economists were asked whether new U.S. tariffs on steel and aluminum would benefit Americans. Two-thirds strongly disagreed, and the rest simply disagreed. None agreed. Several explained that these tariffs would help a small number of Americans but harm many more. This is consistent with the basic economic analysis provided above, which shows that the costs to consumers are larger than the combined gains for domestic producers and the government, resulting in net losses known as deadweight loss.

A 2021 study covering 151 countries from 1963 to 2014 found that raising tariffs leads to long-term drops in output and productivity, along with more unemployment and inequality. It also found that tariffs tend to push up the value of the currency, while trade balances stay largely unchanged.

Developing countries

Some commentators note a correlation between protectionist (mercantilist) policies and strong economic growth in countries such as China, South Korea, Japan, and Taiwan. However, there is broad consensus among economists that free trade helps workers in developing countries, even if those countries have lower labor and environmental standards. This is because "the growth of manufacturing—and of the myriad other jobs that the new export sector creates—has a ripple effect throughout the economy" that creates competition among producers, lifting wages and living conditions.

Caliendo, Feenstra, Romalis, and Taylor (2015) used a global economic model covering 189 countries and 15 industries to study the impact of lower tariffs from 1990 to 2010. They found that cutting tariffs increased trade, allowed more firms to start up, and raised overall welfare. Some countries, like India and Vietnam, might have gained even more from fully open trade or even import subsidies, meaning their "optimal" tariff could be negative.

The OECD (2005) simulated the effects of tariff reductions in 24 developing countries and showed that a well-designed combination of tariff cuts and tax reform (e.g., replacing lost tariff revenues with consumption taxes) can lead to net welfare gains.

However, some studies point to possible negative effects. For instance, Topalova (2007) shows that tariff reductions in India during the 1990s were associated with slower progress in poverty reduction, particularly in areas lacking social safety nets and little labor mobility. She argues that policy changes that policymakers should implement complementary measures to ensure a fairer distribution of the gains from liberalization. In particular, reforms that enhance labor mobility, such as changes to labor market policies, can help mitigate the negative effects and reduce inequality.

Arguments used by proponents of tariffs

Protection of domestic industry

One of the most common arguments for imposing tariffs is the protection of domestic industries that are struggling to survive against foreign competition. However, most economists, particularly those adhering to the theory of comparative advantage, argue that such industries should not be maintained through protection. Instead, the resources employed in these industries should be reallocated to sectors where the country has a comparative advantage, thereby increasing overall economic efficiency. According to this view, the gains in national welfare would outweigh the losses experienced by specific groups affected by import competition, resulting in higher real national income overall.

Economists also recognize, however, that the adjustment process—moving labor and capital from less efficient to more efficient sectors—can be slow and socially costly. As a result, while there is broad consensus against increasing tariffs, many economists support a gradual reduction of existing trade barriers rather than abrupt removal. This approach is seen as a way to avoid further misallocation of resources while minimizing disruption to affected workers and communities.

Infant industry argument

Protectionists argue that emerging industries, especially in less-developed countries, may need temporary protection from established foreign competitors in order to develop and become competitive. Mainstream economists do acknowledge that tariffs can in the short-term help domestic industries to develop but this depends on the short-term nature of the protective tariffs and the ability of the government to pick the winners. In practice, tariffs often remain in place after the industry matures, and governments frequently fail to pick winners. Multiple empirical studies across different countries—such as Turkey in the 1960s and several Latin American nations—document failed attempts at infant industry protection. In many developing countries, industries have failed to attain international competitiveness even after 15 or 20 years of operation and might not survive if protective tariffs were removed. Moreover, economists argue that infant-industry protection can be harmful not only at the national level but also internationally. If multiple countries pursue such protection simultaneously, it can fragment global markets, preventing firms from achieving economies of scale through exports, and leading to inefficient, small-scale production across countries.

Unemployment

Tariffs are sometimes proposed as a means to protect domestic employment during economic downturns. However, there is near-unanimous agreement among modern economists that this approach is misguided. Tariffs may shift unemployment abroad without increasing overall output and often provoke retaliatory measures. Economists generally agree that unemployment is more effectively addressed through appropriate fiscal and monetary policies.

National defense

Industries often invoke national security to justify tariff protection, arguing that certain products are essential in times of war when imports may be disrupted. Economists generally consider this a weak argument, noting that tariffs are an inefficient way to ensure the survival of critical industries. Instead, they recommend direct subsidies as a more transparent and effective means of supporting sectors deemed vital for national defense.

Autarky

Some protectionist arguments are rooted in autarkic sentiment—the desire for national self-sufficiency and independence from global economic risks. However, there is general agreement that no modern nation, regardless of how rich and varied its resources, could really practice self-sufficiency, and attempts in that direction could produce sharp drops in real income.

Trade deficits

According to some proponents of tariffs, trade deficits are seen as inherently harmful and in need of removal, a view many economists rejected as a flawed understanding of trade. The notion that bilateral trade deficits are per se detrimental to the respective national economies is overwhelmingly rejected by trade experts and economists.

According to proponents tariffs can help reduce trade deficits, but according to economists tariffs do not determine the size of trade deficits and trade balances are driven by consumption. Rather, it is that a strong economy creates rich consumers who in turn create the demand for imports. Industries protected by tariffs expand their domestic market share but an additional effect is that their need to be efficient and cost-effective is reduced. This cost is imposed on (domestic) purchasers of the products of those industries, a cost that is eventually passed on to the end consumer. Finally, other countries must be expected to retaliate by imposing countervailing tariffs, a lose-lose situation that would lead to increased world-wide inflation.

Protection against environmental dumping

Some argue in favor of tariffs in cases of environmental dumping, where companies benefit from weaker environmental regulations than in other countries, leading to unfair competition. For example, the European Union starts its carbon border-adjustment mechanism in 2026 to level the playing field with firms not subject to European carbon pricing. In 2019, more than 3,500 U.S. economists, including 45 Nobel laureates and former Federal Reserve chairmen, signed the “ Economists' Statement on Carbon Dividends.” This statement advocates for a border carbon adjustment system that will prevent carbon leakage and enhance the competitiveness of American firms that are more energy-efficient that their foreign competitors.

Modern tariff practices

Russia

The Russian Federation adopted more protectionist trade measures in 2013 than any other country, making it the world leader in protectionism. It alone introduced 20% of protectionist measures worldwide and one-third of measures in the G20 countries. Russia's protectionist policies include tariff measures, import restrictions, sanitary measures, and direct subsidies to local companies. For example, the government supported several economic sectors such as agriculture, space, automotive, electronics, chemistry, and energy.

India

From 2017, as part of the promotion of its " Make in India" programme to stimulate and protect domestic manufacturing industry and to combat current account deficits, India has introduced tariffs on several electronic products and "non-essential items". This concerns items imported from countries such as China and South Korea. For example, India's national solar energy programme favours domestic producers by requiring the use of Indian-made solar cells.

Armenia

Armenia established its custom service in 1992 after the dissolution of the Soviet Union. When Armenia became a member of the EAEU, it was given access to the Eurasian Customs Union in 2015; this resulted in mostly tariff-free trade with other members and an increased number of import tariffs from outside of the customs union. Armenia does not currently have export taxes. In addition, it does not declare temporary imports duties and credit on government imports or pursuant to other international assistance imports. Upon joining Eurasian Economic Union in 2015, led by Russians, Armenia applied tariffs on its imports at a rate 0–10 percent. This rate has increased over the years, since in 2009 it was around three percent. Moreover, the tariffs increased significantly on agricultural products rather than on non-agricultural products. Armenia has committed to ultimately adopting the EAEU's uniform tariff schedule as part of its EAEU admission. Until 2022, Armenia was authorised to apply non-EAEU tariff rates, according to Decision No. 113. Some beef, pork, poultry, and dairy products; seed potatoes and peas; olives; fresh and dried fruits; some tea items; cereals, especially wheat and rice; starches, vegetable oils, margarine; some prepared food items, such as infant food; pet food; tobacco; glycerol; and gelatin are included in the list.
Membership in the EAEU is forcing Armenia to apply stricter standardisation, sanitary, and phytosanitary requirements in line with EAEUand, by extension, Russianstandards, regulations, and practices. Armenia has had to surrender control over many aspects of its foreign trade regime in the context of EAEU membership. Tariffs have also increased, granting protection to several domestic industries. Armenia is increasingly beholden to comply with EAEU standards and regulations as post-accession transition periods have, or will soon, end. All Armenian goods circulating in the territory of the EAEU must meet EAEU requirements following the end of relevant transition periods.

Armenia became a WTO member in 2003, which resulted in the Most Favored Country (MFC) benefits from the organisation. Currently, the tariffs of 2.7% implemented in Armenia are the lowest in the entire framework. The country is also a member of the World Customs Organization (WCO), resulting in a harmonised system for tariff classification.

Switzerland

In 2024, Switzerland abolished tariffs on industrial products imported into the country. Using 2016 trade figures, the Swiss government estimated the move could have economic benefits of 860 million CHF per year.

United States

In April 2025, President Donald Trump of the United States announced a substantial increase in tariffs and a 10% base tariff on all imported products, resulting in the US trade-weighted average tariff rising from 2% to an estimated 24%, the highest level in over a century, including under the Smoot–Hawley Tariff Act of 1930.

Political analysis

The tariff has been used as a political tool to establish an independent nation; for example, the United States Tariff Act of 1789, signed specifically on July 4, was called the "Second Declaration of Independence" by newspapers because it was intended to be the economic means to achieve the political goal of a sovereign and independent United States.

The political impact of tariffs is judged depending on the political perspective; for example, the 2002 United States steel tariff imposed a 30% tariff on a variety of imported steel products for a period of three years and American steel producers supported the tariff.

Tariffs can emerge as a political issue prior to an election. The Nullification Crisis of 1832 arose from the passage of a new tariff by the United States Congress, a few months before that year's federal elections; the state of South Carolina was outraged by the new tariff, and civil war nearly resulted. In the leadup to the 2007 Australian Federal election, the Australian Labor Party announced it would undertake a review of Australian car tariffs if elected. The Liberal Party made a similar commitment, while independent candidate Nick Xenophon announced his intention to introduce tariff-based legislation as "a matter of urgency".

Unpopular tariffs are known to have ignited social unrest, for example the 1905 meat riots in Chile that developed in protest against tariffs applied to the cattle imports from Argentina.
Primeros movimientos sociales chileno (1890–1920)
'. Memoria Chilena. Benjamin S. 1997. Meat and Strength: The Moral Economy of a Chilean Food Riot. ''Cultural Anthropology'', 12, pp. 234–268.

Additional information on tariffs

Calculation of customs duty

Customs duty is calculated on the determination of the 'assess-able value' in case of those items for which the duty is levied . This is often the transaction value unless a customs officer determines assess-able value in accordance with the Harmonized System.

Harmonized System of Nomenclature

For the purpose of assessment of customs duty, products are given an identification code that has come to be known as the Harmonized System code. This code was developed by the World Customs Organization based in Brussels. A 'Harmonized System' code may be from four to ten digits. For example, 17.03 is the HS code for "molasses from the extraction or refining of sugar". However, within 17.03, the number 17.03.90 stands for "Molasses (Excluding Cane Molasses)".

Customs authority

The national customs authority in each country is responsible for collecting taxes on the import into or export of goods out of the country.

Evasion

Evasion of customs duties takes place mainly in two ways. In one, the trader under-declares the value so that the assessable value is lower than actual. In a similar vein, a trader can evade customs duty by understatement of quantity or volume of the product of trade. A trader may also evade duty by misrepresenting traded goods, categorizing goods as items which attract lower customs duties. The evasion of customs duty may take place with or without the collaboration of customs officials.

Duty-free goods

Many countries allow a traveller to bring goods into the country duty-free. These goods may be bought at ports and airports or sometimes within one country without attracting the usual government taxes and then brought into another country duty-free. Some countries specify 'duty-free allowances' which limit the number or value of duty-free items that one person can bring into the country. These restrictions often apply to tobacco, wine, spirits, cosmetics, gifts and souvenirs.

Deferment of tariffs and duties

Products may sometimes be imported into a free economic zone (or 'free port'), processed there, then re-exported without being subject to tariffs or duties. According to the 1999 Revised Kyoto Convention, a free zone' means a part of the territory of a contracting party where any goods introduced are generally regarded, insofar as import duties and taxes are concerned, as being outside the customs territory".

Digital goods and services

Digital goods and services generally do not pass through customs, making monitoring and application of tariffs more difficult. Non-tariff barriers to trade of services can be higher than tariffs on goods.

See also

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Types

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Trade dynamics

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Trade liberalisation

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References

Sources

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External links

Trade and Tariff
resource by World Bank
Market Access Map, an online database of customs tariffs and market requirementsTariff Analysis Online – Detailed information on tariff and trade data
by the World Trade Organization

{{Authority control

Customs duties
International taxation
International economics