President Donald Trump’s vows to roll out punishing new tariffs on Aug. 1 have barely made a ripple with investors who are convinced he’ll once again back down. But at the White House, officials insist they’re serious this time.

Indonesia has agreed to eliminate tariffs on more than 99% of U.S. goods and scrap all non-tariff barriers facing American firms, while the U.S. will drop threatened tariffs on Indonesian products to 19% from 32%,