麦肯锡：2025年关税与全球贸易：对商业的经济影响报告（英文版）

Since the United States’ announcement of reciprocal tariffs on April 2, 2025, financial markets around the world have seen heightened volatility, raising concerns about the impact on the global economy. The combined tariffs enacted by the US government since that date have rapidly raised the country’s weighted-average tariff rate to its highest level in the past 100 years, from approximately 2 percent at the start of 2025 to more than 20 percent as of April 11, 2025. Other governments’ respon