Supreme Court Showdown: Can a President Unilaterally Shape Trade Policy?
trade-wars
The Supreme Court weighs whether a president can impose tariffs unilaterally under emergency powers law — a ruling that could redraw the line between executive and Congressional control of trade.
The Supreme Court is hearing arguments on whether a president can unilaterally impose tariffs under the International Emergency Economic Powers Act, a power traditionally reserved for Congress. During Trump’s first term, tariffs on roughly $370 billion of Chinese goods ran from 10-25%, lifting the average US tariff rate from 3.1% to 19.3% and costing the typical household an estimated $1,277 a year. The Court’s decision will either force future presidents to seek Congressional approval for tariffs or entrench continued executive autonomy — reshaping the balance of power over US trade policy either way.
Originally published on Substack, November 5, 2025.