特朗普“对等关税”深度研究：美元的过度特权或已失效

Group 1: Dollar's Global Status - The current Jamaican monetary system may face significant changes, indicating that the excessive privilege of the dollar may have expired[4] - The U.S. trade deficit has persisted for about 50 years, and the cost and benefits of the dollar as a global public good may be changing[6] - By 2024, the U.S. primary income balance (asset income minus liability payments) is projected to turn negative, which could signal a potential debt spiral[6] Group 2: Historical Context of Currency Changes - Historically, global currencies have undergone three major transitions since 1500, with the dollar's dominance potentially being shorter than its predecessors[7] - The dollar surpassed the pound as the global currency in approximately 20 years, suggesting that a successor to the dollar could emerge sooner than expected[8] Group 3: Economic Implications - If the dollar ceases to be the global currency, long-term U.S. Treasury rates could rise significantly, with estimates suggesting an increase of up to 80 basis points[10] - The U.S. has maintained a trade deficit exceeding $23.8 trillion since the dissolution of the Bretton Woods system, indicating a structural issue in the dollar's role[23] Group 4: Tariff Policy and Revenue - The "reciprocal tariff" policy may lead to a significant increase in average tariff rates, potentially generating additional tariff revenue in the range of hundreds of billions of dollars[30] - A comprehensive 10% tariff could yield approximately $264.4 billion in additional revenue, while a 20% tariff could approach $400 billion[39]