According to World Trade Organization rules, countries may adopt regulations under the Agreements on Sanitary and Phyto-Sanitary (SPS) and Technical Barriers to Trade (TBT). We analyze the structure of these measures in agricultural trade. The inventory approach suggests that European countries...

This paper investigates how tariff liberalization has affected exporting in emerging countries. We use a highly disaggregated (6 digit level of the harmonized system – HS – classification) bilateral measure of market access to compare tariffs applied in 1996 and 2006, which includes the...

This paper aims to clarify the specific issues raised by trade preferences, in particular non-reciprocal ones, as they pertain to the Doha round. We evaluate the extent of tariff preferences through both a measure of the "true" preferential margin and an assessment of tariff-rate quota rents. We...

MAcMap-HS6 is a database providing with a consistent, ad valorem equivalent measure of tariff duties and tariff rate quotas for 163 countries and 208 partners, at the six-digit level of the Harmonized System (5,111 products). Based on a joint effort by ITC (UNCTAD-WTO, Geneva) and CEPII (Paris)...