The principle that each World Trade Organization member must accord to all other member countries tariff treatment no less favorable than it provides to any other country is known as the principle.

Most favoured nation principle

Explanation:

Most favoured nation (MFN) clause of the World Trade Organisation requires that when a nation trades with others the concessions, immunities, and privileges granted to one nation should be the the same granted to all WTO members.

It discourages discrimination where one nation in international trade is favoured above another.

For example if Ghana reduces tariff on trades with South Africa it is expected that tariffs to other WTO nations will also be reduced to 3%.

Exceptions to this principle are for developing nations, regional free trade areas, and custom unions.

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answer; common market;