Economists have long understood that, because the US trade balance is determined by global macroeconomic factors (i.e., savings and investment at home and abroad), its size and trajectory would be generally unaffected by discrete national trade policies—even global tariffs. And because the causes of the trade balance vary from benign to problematic (or both), economists generally don’t think it’s a useful scorecard for US trade policy or the economy more broadly.
On each account, the data keep proving them right.
As Figure 1 shows, despite more than a year of historically high tariffs and after wild pre- and post-tariff gyrations, the nominal US trade deficit was actually higher in August than before this administration’s grand tariff experiment began last spring—just as trade economists and other experts predicted before the tariffs began.