Peterson Institute for International Economics: Can Trump Legally Apply Tariffs on US Allies Over Greenland?
January 22, 2026
January 22, 2026
WASHINGTON, Jan. 22 -- The Peterson Institute for International Economics issued the following commentary on Jan. 21, 2026:
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Can Trump legally apply tariffs on US allies over Greenland?
By Alan Wm. Wolff (PIIE)
The short answer, under international law, is no: The use of coercion to acquire another country's territory is forbidden. The question arises since President Donald Trump threatened on Saturday to impose new tariffs on several . . .
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Can Trump legally apply tariffs on US allies over Greenland?
By Alan Wm. Wolff (PIIE)
The short answer, under international law, is no: The use of coercion to acquire another country's territory is forbidden. The question arises since President Donald Trump threatened on Saturday to impose new tariffs on several . . .