波兰经济学教授：美国关税政策混乱给全球带来不确定性

Group 1 - The U.S. Supreme Court ruled that the International Emergency Economic Powers Act does not authorize the President to impose large-scale tariffs, leading President Trump to announce a 10% tariff on goods from all countries, which was later increased to 15% [1] - Professor Tomasz Belinski from Gdansk University highlighted that the erratic tariff policy of the U.S. government negatively impacts global trade, creating confusion and uncertainty for businesses [1][3] - The uncertainty surrounding U.S. tariff policies is damaging the business environment, prompting many countries and regions to seek new partnerships [3][6] Group 2 - The European Parliament's suspension of the approval process for the EU-U.S. trade agreement is attributed to the uncertainty caused by U.S. tariff policies [4] - Countries and regions, such as the EU, are planning to establish alternative trade groups, including a free trade agreement with India and strengthening ties with Canada, due to the unpredictability of U.S. actions [6]