宏观视角：关税再起风波，影响与展望

Group 1: Tariff Changes and Impacts - The U.S. has issued tariff notices to 14 countries, affecting approximately 14.2% of U.S. imports, with tariff rates ranging from 25% to 40%[6] - The weighted average tariff level in the U.S. is expected to rise by 5-6 percentage points to around 15-16%, the highest since 1940[5][21] - The tariffs on 15 countries could further increase the effective tariff level by 2-2.5 percentage points, raising the average to approximately 9-10%[7][8] Group 2: Specific Country Tariffs - Japan and South Korea will face tariffs of 25% and 25% respectively, while Vietnam's tariff has been reduced from 46% to 20%[12] - The countries affected by the tariff notices include major Asian economies and some African and Eastern European nations, collectively accounting for 18.4% of U.S. imports in 2024[15] - The tariffs on specific goods from the 232 investigation, such as copper and semiconductors, are likely to be set at 25% and could be finalized by August 2025[16] Group 3: Future Trade Outlook - Global trade growth may significantly decline after July 9, 2025, due to the impact of these tariffs[11] - The potential for additional countries, particularly in Europe, to receive tariff notices remains high, indicating a broader trade conflict[11] - The uncertainty surrounding the tariffs on fentanyl and reciprocal tariffs may lead to further adjustments in trade policies[11]