The International Monetary Fund expects much lower bilateral trade between the U.S. and China, the world's two largest economies, as a result of tariffs imposed in recent months, the IMF's chief economist Pierre-Olivier Gourinchas said on Tuesday.

The long-term impact of the tariffs, if they are maintained, will be negative for all regions, Gourinchas said.

(Reporting by Andrea Shalal and David Lawder; Editing by Chizu Nomiyama)