Treasury Secretary Janet Yellen is set to warn that proposals for sweeping tariffs are “deeply misguided,” would ramp up inflation and hurt American businesses, offering a clear critique of former President Donald Trump’s economic policy.

Treasury Secretary Janet L. Yellen warned in a speech on Thursday that the economic policies being proposed by former President Donald J. Trump would fuel inflation and harm businesses, raising alarm about the risks of blanket tariffs.

US Treasury Secretary Janet Yellen warned that sweeping, untargeted tariffs would hurt American households and businesses and preclude the US from advancing its economic and security interests.“Calls for walling America off with high tariffs on friends and competitors alike or by treating even our closest allies as transactional partners are deeply misguided,