特朗普刚宣布全球加税，气疯了！白宫立刻向中国澄清：一切照旧不变

Core Viewpoint - The U.S. Supreme Court's ruling against Trump's use of the International Emergency Economic Powers Act (IEEPA) to impose tariffs has significantly undermined the White House's trade policy toolbox, forcing a rapid pivot to an older law, the Trade Act of 1974, which has limitations and a short time frame for implementation [1][3][10]. Group 1: Legal and Policy Implications - The Trade Act of 1974, specifically Section 122, requires a fundamental imbalance in the U.S. international payments to be invoked, and its effectiveness is limited to 150 days [3][10]. - The ruling has jeopardized existing tariffs on China, Europe, Japan, South Korea, and Vietnam, as well as the legal foundation of the U.S.-China "truce agreement" reached in October [5][10]. - The U.S. Trade Representative has been emphasizing the validity of existing agreements, indicating a lack of confidence in the legal basis for these tariffs [6][12]. Group 2: International Reactions and Strategic Responses - China's response has been notably calm, with the Ministry of Commerce stating it is "fully assessing" the situation and urging the U.S. to remove unilateral tariffs, indicating a strategic advantage by not reacting aggressively [12][14]. - Other countries, including the EU, South Korea, and Japan, are observing the situation closely, with the EU demanding clarification on the legal basis for U.S. tariffs, which could lead to a suspension of trade agreements [16][19]. - The uncertainty in U.S. trade policy is causing global supply chains to reassess their strategies, as the unpredictability of U.S. actions poses a greater risk than high tariffs themselves [21][35]. Group 3: Long-term Consequences and Market Dynamics - The 150-day limit on the new tariffs creates a pressing deadline for the White House to secure Congressional approval, which is unlikely given the current political climate [10][33]. - The ongoing legal and political turmoil in the U.S. is leading to a loss of credibility in trade agreements, as allies begin to question the reliability of U.S. commitments [31][39]. - The situation reflects a deeper structural tension within U.S. governance, where the executive branch's attempts to bypass legislative authority are met with judicial constraints, ultimately affecting global trade dynamics [40][42].