Thuế nhập khẩu có thể được dùng như

Thuế nhập khẩu có thể được dùng như công cụ bảo hộ mậu dịch:

Giảm nhập khẩu bằng cách làm cho chúng trở nên đắt hơn so với các mặt hàng thay thế có trong nước và điều này làm giảm thâm hụt trong cán cân thương mại.
Chống lại các hành vi phá giá bằng cách tăng giá hàng nhập khẩu của mặt hàng phá giá lên tới mức giá chung của thị trường.
Trả đũa trước các hành vi dựng hàng rào thuế quan do quốc gia khác đánh thuế đối với hàng hóa xuất khẩu của mình, nhất là trong các cuộc chiến tranh thương mại.
Bảo hộ cho các lĩnh vực sản xuất then chốt, chẳng hạn nông nghiệp giống như các chính sách về thuế quan của Liên minh châu Âu đã thực hiện trong Chính sách nông nghiệp chung của họ.
Bảo vệ các ngành công nghiệp non trẻ cho đến khi chúng đủ vững mạnh để có thể cạnh tranh sòng phẳng trên thị trường quốc tế.
Thuế xuất khẩu có thể được dùng để:

Giảm xuất khẩu do nhà nước không khuyến khích xuất khẩu các mặt hàng sử dụng các nguồn tài nguyên khan hiếm đang bị cạn kiệt hay các mặt hàng mà tính chất quan trọng của nó đối với sự an toàn lương thực hay an ninh quốc gia được đặt lên trên hết.
Thuế xuất nhập khẩu có thể được dùng để tăng thu ngân sách cho nhà nước.

Tùy từng nhu cầu mà một hay vài mục đích nói trên được đề cao. Khi bị xác định là có mục đích bảo hộ mậu dịch, thuế nhập khẩu có thể trở thành đối tượng bị nước ngoài đòi cắt giảm.

Kết quả (Anh) 1:

Import tax can be used as tools of protectionism:Reduced imports by making them more expensive compared to alternative products in the country and this reduces the deficit in the balance of trade.Against the predatory behavior by increasing the prices of goods imports dumping up to the market's general price level.Previous retaliatory acts up tariffs by other national taxes for its exports, especially in the trade war.For the key manufacturing sectors, such as agriculture like the customs policy of the European Union has done in the common agricultural policy.To protect fledgling industries until they are strong enough to be able to compete on the international market promptly.Export tax may be used to:Reduced exports by the State does not encourage the export of the items using the scarce resources are being exhausted or items that are important for food safety or national security are put up on top.Import-export tax may be used to increase budget revenues for the State.Depending the demand that one or several purposes comes on strong. After being identified as having the purpose of protectionism, tariffs may become subject to foreign demands to cut.

Kết quả (Anh) 2:

Import duties may be used as protectionist tools:

Reduced imports by making them more expensive than replacing items in the water and this reduces the deficit in the trade balance.
Acts against dumping by raising import prices of goods dumping up to general market prices.
Retaliation against acts up tariff barriers taxed by another country for its exports, especially in the trade war.
Protection for the key manufacturing sectors, such agriculture like the tariff policy of the European Union has made in the Common Agricultural Policy of them.
Protecting fledgling industries until they were strong enough to be able to compete fairly on the international market.
Export tax can be used to:

Reduce state exports does not encourage export of goods using scarce resources are being depleted or items that its important properties for peace food or national security is paramount.
Import and export taxes could be used to raise revenue for the state.

Depending on the demand that one or several of the above-mentioned purposes are enhanced. Being identified as trade protection purposes and import tax may become subject to cut foreign demand. Reduce exports by the state does not encourage export of goods using scarce resources are being depleted or items that its important property for food safety or national security paramount. Import and export taxes could be used to raise revenue for the state. Depending on the demand that one or several of the above-mentioned purposes are enhanced. Being identified as trade protection purposes and import tax may become subject to cut foreign demand. Reduce exports by the state does not encourage export of goods using scarce resources are being depleted or items that its important property for food safety or national security paramount. Import and export taxes could be used to raise revenue for the state. Depending on the demand that one or several of the above-mentioned purposes are enhanced. Being identified as trade protection purposes and import tax may become subject to cut foreign demand.

Kết quả (Anh) 3:

Import tax can be used as a tool of trade protectionism:By reducing imports, making them more expensive replacement projects than in water and the decrease in the balance of trade deficit.Against the behavior of the way the price increases, the price of imports of goods to resolve the common market.Retaliation is established in the protection of tariffs on exports of goods to other countries, especially in trade wars.Protect your key areas of production, for example, the implementation of the European Union, like the agricultural tariff policy, in their common agricultural policy.Protect these young industries until they are strong enough to compete in the international market.Export tax can be used:Because the export reduction of the country does not encourage export projects to use scarce resources are depleted or other important attributes of goods, it is higher than all the food safety or national security.Tariffs can be used to increase the national income budget.From one or more of the above mentioned. When it is recognized that there is a purpose of trade protectionism, the import tax can become a foreign object that is required to be cut.