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Non-tariff measures

Non-tariff measures (NTMs) are defined as “policy measures, other than customs tariffs, that can potentially have an economic effect on international trade in goods, changing quantities traded, or prices or both” by. The concept of NTMs is neutral and does not imply a direction of impact. Non-tariff barriers (NTBs) are a subset of NTMs, implying a negative impact on trade. All NTMs are collected and included in the UNCTAD TRAINS database, irrespective of their effect.