The treaty, signed on July 6, drops tariffs and soft barriers across an area of 600mn people worth a third of the global economy. It also reiterates the role of both parties as champions of global trade right at a time when protectionism is mounting around the globe. Podcast host Jacopo Dettoni speaks to Elitsa Garnizova, a researcher at the London School of Economics, about the treaty's impact on mutual trade and investment moving forward, and its implications for Japanese investment in the UK as Brexit's March 2019 deadline approaches.