Tariffs imposed by President Donald Trump to restructure the United States’s top trade relationships have cost American companies $46 billion since February 2018, and U.S. exports of goods hit by retaliatory tariffs have fallen sharply, according to an analysis of Commerce Department data. The lion’s share of the higher tariff costs, some $37.3 billion, stemmed from duties on imports from China, said Washington-based consultancy Trade Partnership Worldwide, which calculated cumulative tariff costs through November 2019, the latest data available. Exports of U.S. goods hit by retaliatory tariffs from China and other countries fell by 23% in the 12 months ended November, compared with 2017, before […]