Economists have been expressing alarm over U.S. President Donald Trump’s plan to hit Brazil with a 50% tariff on Aug. 1 — the largest country-specific levy out of the 22 that Trump has rolled out this week.

President Donald Trump on Wednesday levied a 50% tariff against Brazil, which produces more than a third of the world's coffee, citing, in part, the country's treatment of former President Jair Bolsonaro,

Donald Trump threatened to impose a 50% tariff on Brazil over its domestic political affairs, the most extreme case yet of the US president weaponizing trade policy to make unrelated demands.Trump cited the treatment of former President Jair Bolsonaro — a right-wing populist leader — in his letter to Brazil on Wednesday,

Is Donald Trump willing to punish consumers because he hopes to shield Brazilian President Jair Bolsonaro from legal accountability? Actually, yes.

Brazil believes it can withstand Trump’s 50 percent tariff, and aides to Lula say he is unlikely to shrink from a confrontation with the White House.

Sao Paulo-traded shares of Embraer tumbled as much as 8% on the news, before paring some losses to trade down 5%. Embraer was the biggest decliner on Brazil's Bovespa benchmark stock index, which slipped 0.7%.

The sector-specific tariffs are putting pressure on businesses and foreign nations as they try to navigate Trump's constantly evolving trade agenda.