Wow, the effects of this are so long reaching it's wild: "While not as severe as the worst-case scenario in its analysis, the OECD said the tariff increase announced by Trump earlier this month, if maintained, could cause a rise in US consumer prices by 0.3% next year. It also warned US and Chinese GDP growth would be held back by between 0.2% and 0.3% on average by 2021-22."