Question

Under gatt's principle of __________ tariffs, each time tariffs are reduced, they may not be raised again without compensation to other world trade organization members.

Answer 1

The answer is Bound tariff
Bound tariff refers to the maximum amount of tariff that a certain nation could impose to other nations for bringing in their products.
For developing countries that relies on high quantity of products for thir exports, this tariff system would be really favorable for them.