Definitions for "Non-tariff barriers"
Government measures other than tariffs that restrict trade flows. Examples include quantitative restrictions, import licensing, voluntary restraint arrangements and variable levies. One of the outcomes of the Uruguay Round was an obligation to convert non-tariff measures on agricultural products into tariffs.
Measures that have trade-restrictive effects on trade in goods or services, but do not involve tariffs. They include technical barriers to trade and quantitative restrictions. Can also include standards intended to promote health and protect the environment.
Government measures or policies other than tariffs that restrict or distort international trade. Examples include import quotas and discriminatory government procurement practices. Such measures have become relatively more conspicuous impediments to trade as tariffs have been reduced during the period since World War II. (Barrières non tarifaires - mesures)
Keywords:  oil, prices