特朗普开启关税“极限”模式，为何可对行业威胁征收250%？

Core Viewpoint - The article discusses the new phase of tariffs imposed by the Trump administration on various trade partners, highlighting the significant increase in tariff rates and its implications for international trade and specific industries [2][3][4]. Tariff Implementation - On August 7, the Trump administration's new tariffs came into effect, raising the average tariff rate to 17.3%, the highest level since 1935 [2]. - Tariff rates vary significantly by country, with Laos and Myanmar facing a 40% tariff, while countries like the UK face a 10% tariff [5][8]. Specific Tariff Rates - The article lists specific tariff rates for various countries, including 39% for Switzerland, 35% for Serbia, and 30% for South Africa, among others [5][8]. - Brazil will see a 40% tariff on most products, with certain exceptions for specific goods [5][6]. Impact on Key Industries - The Trump administration plans to impose a 100% tariff on semiconductor imports, although details on implementation remain unclear [3][14]. - A potential 250% tariff on pharmaceuticals is also mentioned, aimed at encouraging domestic production [17][20]. Legislative Authority and Implications - The article discusses the broad authority granted to the President under the 232 investigation and IEEPA, raising questions about the limits of this power [3][19]. - Experts note that the high tariff rates are unprecedented and could significantly impact global supply chains, particularly in the semiconductor and pharmaceutical sectors [10][20]. Negotiation and Trade Relations - Some countries, like Switzerland, attempted last-minute negotiations to avoid high tariffs but were unsuccessful [7][8]. - The article mentions that Mexico has a 90-day negotiation period regarding the 35% tariff due to its participation in the USMCA [11].