A fresh report on United States gross domestic product, or GDP, is set to provide a key measure of the nation’s economic health as President Donald Trump’s tariffs took hold over recent months. So far, the U.S. economy has largely defied fears of a tariff-induced downturn.

The president’s vision for reshaping global trade is falling into place, but he is embarking on an experiment that economists say could still produce damaging results.

President Donald Trump signed executive actions on Wednesday implementing a crippling 50% tariff on Brazil as well as a 50% tariff on certain copper products.