For governments, the advantage of non-tariff barriers (NTBs) to trade is that their effects are more certain than for tariffs. Now that tariff barriers have been substantially reduced, there has been increasing interest in the ways that non-tariff barriers (NTBs) may distort and restrict...

For governments, the advantage of non-tariff barriers (NTBs) to trade is that their effects are more certain than for tariffs. Now that tariff barriers have been substantially reduced, there has been increasing interest in the ways that non-tariff barriers (NTBs) may distort and restrict...