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What is anti-dumping duty? Know working, types, benefits, example, and calculation
Anti-dumping duty is a tariff on imports sold below the fair market value. Learn more about its working and an example in the blog.
International trade enables businesses to access new markets, expand scale, and compete globally. However, alongside these opportunities, trade can also create imbalances when pricing practices distort fair competition.
One such practice is dumping, where exporters sell goods in a foreign market at prices lower than their normal value. This can undercut domestic producers, disrupt local industries, and lead to long-term market harm. To address this, governments use anti-dumping duties. In this blog post, we explain what anti-dumping duty is, how it works, why it is imposed, and how it is calculated.
One such practice is dumping, where exporters sell goods in a foreign market at prices lower than their normal value. This can undercut domestic producers, disrupt local industries, and lead to long-term market harm. To address this, governments use anti-dumping duties. In this blog post, we explain what anti-dumping duty is, how it works, why it is imposed, and how it is calculated.
What is anti-dumping duty?
Anti-dumping duty is a type of tariff imposed on imports that have costs below fair market value, usually less than the exporter's domestic market price or manufacturing cost. Governments levy this duty when they determine that goods are being dumped at unfairly low prices that could harm local industries. Anti-dumping duties are implemented to address unfair competition due to dumping, raising the cost of imported goods to a more equitable level and allowing domestic businesses to compete on equal terms.1
Importance of anti-dumping duty
Anti-dumping duties are imposed for several reasons. These include:
Safeguarding domestic industries
These duties prevent domestic industry from facing losses due to dumping of low-price goods. They ensure fair competition by preventing inexpensive foreign goods from injuring domestic companies.
Ensuring national security and self-sufficiency
Anti-dumping safeguards industries critical to national security by preventing imports from undercutting vital domestic industries. It also supports economic stability and self-sufficiency by reducing reliance on imports and strengthening local producers and manufacturers.
Encouraging innovation and investment
Since these duties protect domestic industries from cheap imports, local industries can improve and advance their products. They also ensure a stable market which creates a secure environment for investors and supports long-term economic development.
Purpose of anti-dumping duty
The main objectives of imposing anti-dumping duty include:
● Shields domestic industries from unfairly priced foreign competition.
● Protects local producers and strengthen the national economy.
● Enables global bodies like the World Trade Organization (WTO) to ensure fairness and transparency in international trade.3
How does anti-dumping duty work?
Anti-dumping duty is a protectionist measure imposed by a government on imports that it believes are priced below fair market value. Here's how it works:
Step 1: Filing complaint and initiating investigation
If a domestic industry deems that it is being hurt by imported goods sold below fair value, it can file a formal complaint with the authorized government body.
Step 2: Conducting the investigation
If the government body (For example, the Directorate General of Trade Remedies in India) suspects that dumping is transpiring, it launches an investigation on its own discretion.
Step 3: Determining the injury
Indicators such as market share, quantities sold, and economic performance are used to assess the effect of dumping imports on the home industry.
Step 4: Calculating the dumping margin
The export price of the product is compared to its normal value (generally the price in the exporting country's market). If the export price is lower, a dumping margin is calculated.
Step 5: Imposing the duty
The government can levy anti-dumping duties if the investigation reveals dumping and damage to the domestic industry. The tariffs placed on imports to boost the rates up to fair market value are usually equivalent to the dumping margin.
Step 6: Monitoring and reviewing
Anti-dumping duty charges are regularly reviewed in order to ensure that they remain warranted. Duties can be amended or abandoned in response to new conditions and information.4
Types of dumping
There are four primary categories of dumping — predatory, sporadic, persistent, and reverse dumping. Each has unique pricing tactics and influences on the market:
Persistent dumping
This occurs when a company continuously sells its products at a lower price in a foreign market than in the domestic market, often to maintain or increase its market share abroad over the long term.
Predatory dumping
A company sells its products at an extremely low price in the foreign market, even below the cost of production, with the intent to drive out competitors. Once competitors are eliminated, the company increases its prices to recoup losses.
Sporadic dumping
A company sells surplus or excess products in a foreign market at a lower price. This is done occasionally when domestic demand is insufficient, and the firm needs to offload extra inventory without lowering domestic prices.
Reverse dumping
This happens when a company charges a higher price in the foreign market and a lower price in its home market. This can occur when the demand for the product in the foreign market is less price-sensitive.5
Advantages of anti-dumping duty
Anti-dumping duty offers several benefits for domestic industries:
● Protects local manufacturers by preventing cheaper, below-cost imports from dominating the market.
● Supports fair competition, allowing domestic producers to compete on more equal pricing terms.
● Helps sustain employment, as domestic businesses are less likely to suffer losses or shut down.6
Disadvantages of anti-dumping duty
Despite its benefits, anti-dumping duty also has certain drawbacks:
● Creates barriers for foreign exporters, making it harder to enter or expand in new markets.
● Increases product prices, as the added duty raises the final cost of imported goods. May reduce market diversity, limiting consumer choice and competition.
● Can be viewed as over-protective, potentially leading to trade disputes and tension between trading nations.7
What products does anti-dumping duty cover?
As per the directions of the Directorate General of Trade Remedies (DGTR), the Central Government imposes anti-dumping duties on a range of imported goods. These may include:
● Ceramic tableware and kitchenware
● Aluminium foil (up to 80 microns)
● Decor paper
● Melamine
● PU leather
● Colour coated or pre-painted flat steel products (alloy and non-alloy)
● Polyester spun yarn
● Porcelain vitrified tiles
● Select chemicals such as Amoxicillin Trihydrate and Ceftriaxone Sodium Sterile, among others.8
How to calculate anti-dumping duty?
The lower of two margins, Margin of Dumping (MOD) and the Injury Margin (IM), is used to calculate the anti-dumping duty:
1. Margin of Dumping (MOD) = Normal Price - Export Price
Normal price refers to the price of the product in the exporter’s home market; alternatively, it may be determined based on the price at which the product is sold in another comparable market or calculated from the cost of production plus a reasonable profit margin. In contrast, the export price, typically the Free on Board (FOB) price, represents the price at which the product is sold for export, excluding costs such as freight and insurance.
2. Injury Margin (IM) = Fair Selling Price - Landed Cost
Fair selling price refers to the price at which a product would ordinarily be sold in the domestic market under standard market conditions. Meanwhile, landed cost includes all expenses involved in bringing the product into the importing country — including product cost, duties, taxes, and logistics — and is therefore also referred to as the total cost of import.9
Example of anti-dumping duty
In India, investigations into dumping and the recommendation of anti-dumping duties are carried out by the Directorate General of Trade Remedies (DGTR). For instance, to safeguard domestic steel manufacturers, India has levied duties on certain steel imports from countries such as China. Likewise, the chemical sector has received similar protection through duties on specific imported chemicals, helping ensure that local producers can operate on a fair competitive footing.10
Anti-Dumping Agreement (ADA) and the role of WTO in anti-dumping
The World Trade Organization (WTO) oversees the global use of anti-dumping duties through the Anti-Dumping Agreement (ADA). The ADA establishes the legal framework outlining when and how member countries can impose anti-dumping measures.
These measures are intended to protect domestic industries from unfair trade practices, such as the import of goods sold below their normal value. The WTO’s oversight ensures that anti-dumping duties are applied in a fair, transparent, and consistent manner. It also helps prevent the misuse of such measures for protectionist purposes, maintaining a balanced and rules-based international trading system.11
These measures are intended to protect domestic industries from unfair trade practices, such as the import of goods sold below their normal value. The WTO’s oversight ensures that anti-dumping duties are applied in a fair, transparent, and consistent manner. It also helps prevent the misuse of such measures for protectionist purposes, maintaining a balanced and rules-based international trading system.11
Conclusion
In conclusion, anti-dumping duties play a vital role in safeguarding domestic industries from unfairly priced imports, ensuring fair competition, and maintaining market stability. By regulating dumped goods through thorough investigations and international guidelines like the WTO’s Anti-Dumping Agreement, countries can protect local businesses while promoting a balanced and transparent global trading system.
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Frequently Asked Questions
1. How to determine if your product is subject to anti-dumping duty?
To determine if your product is subject to anti-dumping duty, you need to inspect the scope of anti-dumping and countervailing orders (AVD/CVD) orders released in the intended market.
2. Who is responsible for paying anti-dumping duty?
The importer of the goods is responsible for paying the anti-dumping duty.
3. What is the distinction between dumping and anti-dumping duty?
Dumping takes place when a company exports a product to another country at a price lower than its normal value in the exporter's domestic market.
4. How long will anti-dumping apply?
Anti-dumping is provisionally applied for up to nine months and definitively up to 5 years.
Published on May 25, 2023.
Updated on December 12, 2025.
Sources:
1. https://corporatefinanceinstitute.com/resources/economics/anti-dumping-duty/
2. https://www.credlix.com/blogs/understanding-anti-dumping-duties-us-laws-measures-and-real-life-examples
3. https://www.oxyzo.in/blogs/anti-dumping-duties-how-they-impact-imports/121121
4. https://nimbuspost.com/blog/anti-dumping-duty-what-it-is-how-it-works-examples/
5. https://www.geeksforgeeks.org/macroeconomics/dumping-works-examples-types-advantages-disadvantages/
6. https://www.credlix.com/blogs/understanding-anti-dumping-duties-us-laws-measures-and-real-life-examples
7. https://www.credlix.com/blogs/understanding-anti-dumping-duties-us-laws-measures-and-real-life-examples
8. https://www.pib.gov.in/Pressreleaseshare.aspx?PRID=1809737&utm_source=chatgpt.com®=3&lang=2
9. https://www.wintwealth.com/blog/anti-dumping-duty-working-calculations-and-examples/
10. https://dgtr.gov.in/anti-dumping-cases/initiation-anti-dumping-investigation-concerning-imports-stainless-steel-seamless
Updated on December 12, 2025.
Sources:
1. https://corporatefinanceinstitute.com/resources/economics/anti-dumping-duty/
2. https://www.credlix.com/blogs/understanding-anti-dumping-duties-us-laws-measures-and-real-life-examples
3. https://www.oxyzo.in/blogs/anti-dumping-duties-how-they-impact-imports/121121
4. https://nimbuspost.com/blog/anti-dumping-duty-what-it-is-how-it-works-examples/
5. https://www.geeksforgeeks.org/macroeconomics/dumping-works-examples-types-advantages-disadvantages/
6. https://www.credlix.com/blogs/understanding-anti-dumping-duties-us-laws-measures-and-real-life-examples
7. https://www.credlix.com/blogs/understanding-anti-dumping-duties-us-laws-measures-and-real-life-examples
8. https://www.pib.gov.in/Pressreleaseshare.aspx?PRID=1809737&utm_source=chatgpt.com®=3&lang=2
9. https://www.wintwealth.com/blog/anti-dumping-duty-working-calculations-and-examples/
10. https://dgtr.gov.in/anti-dumping-cases/initiation-anti-dumping-investigation-concerning-imports-stainless-steel-seamless
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