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...

This paper identifies the effect of trade policy on market power through new data and a new identification strategy. It uses a large data set containing export values and quantities by product and destination for all exporting firms in 12 developing and emerging countries over several years,...

Increased international production fragmentation implies that firms at home rely on imported intermediates for production. In this context, tariff policy design needs to consider the impact downstream of changes in tariffs upstream. Policy makers embarking on tariff reforms need to answer...