31 March 2021 Erika Szyszczak is Professor Emerita and a Fellow of the UKTPO. Trade has become a new tool of political and economic warfare.  Recent years have seen a rise in threats and the disruptive use of use tariffs, export and import bans to further political aims by the two economic superpowers, the US and China. Other countries wishing to assert greater political influence, such as Russia or Turkey, have joined the fray. Although the disputes are characterized as being between States, the real impact of trade wars is felt by businesses, workers, consumers and ordinary citizens. The impact is felt in the COVID-19 pandemic, where critical supplies of medical products or Personal Protective Equipment are essential in a health emergency. […]