稳定币与安全资产价格——海外周报第93期

Group 1: Stablecoin Market Impact - The total market capitalization of stablecoins exceeded $200 billion by March 2025, surpassing the holdings of major foreign investors like China in short-term U.S. securities[2] - Stablecoins, particularly Tether (USDT) and Circle (USDC), significantly influence the short-term debt market, purchasing nearly $40 billion in U.S. Treasury securities in 2024[2] - A net inflow of $3.5 billion in stablecoins can lead to a decrease of approximately 2-2.5 basis points in the 3-month Treasury yield within 10 days[1] Group 2: Empirical Findings - The study found that a $3.5 billion inflow of stablecoins correlates with a decline in the 3-month Treasury yield of up to 25 basis points over 30 days[3] - The impact of stablecoin outflows on Treasury yields is more pronounced, with a $3.5 billion outflow resulting in an increase of approximately 6-8 basis points[1] - USDT contributes about -1.54 basis points to the yield impact, accounting for 70% of the total effect, while USDC contributes around 19%[4] Group 3: Policy Implications - The rapid expansion of the stablecoin market may significantly lower short-term Treasury yields, potentially disrupting the effectiveness of the Federal Reserve's monetary policy transmission[5] - Regulatory measures for standardized and transparent reserve reporting are crucial to mitigate systemic risks associated with concentrated Treasury holdings by stablecoins[5] - The strong demand for Treasuries from stablecoins could exacerbate the "safe asset scarcity" issue faced by non-bank financial institutions, affecting liquidity premiums[5]