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...

Using SPS measures obtained from the SPS Information Management System of the WTO and controlling for zero trade flows, we find that SPS concerns reduce the probability of trade in agricultural and food products consistently. However, the amount of trade is positively affected by SPS measures...

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...

Using SPS measures obtained from the SPS Information Management System of the WTO and controlling for zero trade flows, we find that SPS concerns reduce the probability of trade in agricultural and food products consistently. However, the amount of trade is positively affected by SPS measures...

This article reviews the Appellate Body decision in the implementation phase of the EC – Aircraft dispute. Focusing on some of the key findings, we assess whether they are legally and economically correct. We conclude that a) though still unclear, the test for establishing de facto contingency...