In an attempt to disentangle the impact of sanitary and phytosanitary (SPS) measures on trade patterns, we estimate a Heckman selection model on the HS4 disaggregated level of trade. We find that aggregated SPS measures constitute barriers to agricultural and food trade consistently to all...

This paper provides evidence that the reduction in the MFN tariff resulting from a decrease in the preferential tariff is three times higher in high-tariff members of preferential trade agreements (PTAs) than in low tariff partners. This result lends support to the "building block" view of...

This paper provides evidence that the reduction in applied most-favored nation (MFN) tariffs resulting from a decrease in preferential tariffs is restricted to (or significantly larger in) high-tariff members of preferential trade agreements (PTAs). This heterogeneous impact is observed only...