Early this year the US Administration made reference to "a marked improvement in the relations between the EC and the USA over the period of the last three years" - an astonishing statement in the light of the mounting non-tariff obstacles to trade between the EC and the USA.

The period from January 2018 to September 2019 saw an unprecedented increase in tariffs placed on U.S. imports, especially on those originating in China. We document the extent to which tariff exclusions and other factors lowered the average effective tariff on Chinese goods. Given that the...