This paper presents new high-frequency data on trade policy changes targeting medical and food products since the beginning of the COVID-19 pandemic, documenting how countries used trade policy instruments in response to the health crisis on a week-by-week basis. The data set reveals a rapid...

Because of concern that OECD tariff reductions will translate intoworsening export performance for the least developed countries, trade preferences haveproven a stumbling block to developing country support for multilateral liberalization.We examine the actual scope for preference erosion,...