The phrase "at preferential tariffs" is correct and usable in written English.
It can be used in contexts related to trade, economics, or agreements where certain rates or conditions are applied favorably.
Example: "The country has negotiated to import goods at preferential tariffs, allowing for lower costs and increased trade volume."
Alternatives: "at reduced rates" or "under favorable tariffs".
Comparing the financial viability for sale of RE by project developers in certain key states, the paper shows that REC mechanism is more profitable than entering into a Power Purchase Agreement (PPA) for sale of RE at Preferential Tariff (Feed-in-Tariffs).
He turned first to the Commonwealth, securing at the Imperial Economic Conference of 1932, held in Ottawa, a series of preferential tariffs, known as the Ottawa Agreements, among the Commonwealth countries (see imperial preference).
Protected by stiff tariffs without and united by preferential tariffs within, the new union would add to Britain's international security, protect manufactures threatened by new competition from the United States and Germany, and raise revenue for social projects at home.
First, they worry that preferential tariffs will cause trade to flow in inefficient ways, a process known as "trade diversion".
The parties to a system of preferential tariffs levy lower rates of duty on imports from one another than they do on imports from third countries.
Mr Obama would then submit all three pacts to Congress for ratification, along with renewal of preferential tariffs for poor countries.The deal is a fragile one.
The EU has implemented tougher policies towards Israel by ensuring that goods originating in illegal settlements in the occupied West Bank do not benefit from preferential tariffs granted to Israel.
Withdrew preferential tariffs for Yugoslav imports.
The row has been brewing since last November when Kenya refused to allow Egyptian rice into the country at the preferential tariff for fellow members of a regional trade pact because it was not sure of its origin.
Closer ties would bring preferential tariffs for Moldovan goods.
At an EU summit in September, the Europeans agreed to help Pakistan after its recent devastating floods by offering preferential tariffs for its textile exports.
