美元霸权：现状评估、维系机制与对策建议

Group 1 - The current status of US dollar hegemony is facing unprecedented challenges, with a significant decline in its share of global foreign exchange reserves from 71% in 1999 to 57.4% in Q1 2024, marking a historical low [4][5][6] - Emerging markets, particularly Brazil and India, are actively reducing their dollar reserves, with Brazil and China agreeing to conduct trade settlements in local currencies, indicating a shift towards de-dollarization [4][5][6] - The dollar's share in international trade settlements has also shown a slight decline, with its current share at 49.08%, while the euro and yuan are gaining ground [12][13] Group 2 - The US federal debt has surpassed $36 trillion, with a debt-to-GDP ratio of 124%-125%, the highest since World War II, raising concerns about the sustainability of dollar hegemony [16][17][19] - The US is employing unconventional debt monetization strategies, including the introduction of century bonds and inflation-linked bonds, to maintain the attractiveness of dollar assets [40][41] - The Federal Reserve's aggressive monetary policy, including a cumulative rate hike of 500 basis points since March 2022, has led to significant global financial repercussions, exacerbating the trend of de-dollarization [21][22][24] Group 3 - The "de-dollarization" process has accelerated, with over 110 countries actively participating in initiatives to reduce reliance on the dollar, particularly following geopolitical tensions such as the Ukraine crisis [27][28] - Various regions are adopting different strategies for de-dollarization, with BRICS countries establishing local currency settlement systems and Southeast Asian nations planning to reduce dollar settlements in regional trade [28][29] - The challenges to de-dollarization include the high conversion costs associated with the dollar's established network effects and the depth of the US debt market, which remains unmatched by non-US markets [29][30]