专访｜IMF世界经济研究处处长：全球加速适应新贸易格局，警惕扩张性财政政策外溢效应

Core Insights - High levels of debt and rising financing costs are eroding policy space and may lead to cross-border spillover risks [1][10] - Despite escalating trade protectionism, the global economy is expected to show resilience in 2025, supported by factors such as preemptive consumption and investment by businesses and households, as well as a weaker dollar [1][7] - Expansionary fiscal policies in major developed economies may boost short-term economic growth but increase medium- to long-term risks due to high debt levels and rising financing costs [1][9] Trade Tensions and Global Adaptation - The IMF is closely monitoring trade tensions, emphasizing the need for constructive solutions to maintain an open and fair competitive environment [3] - Global businesses and investors are adapting to ongoing trade policy uncertainties, with trade flows shifting towards third countries as a response to U.S.-China trade dynamics [4][5] - The current high tariff environment is nearly universal, complicating corporate decision-making beyond just tariffs [5][6] Impact of Tariffs - The impact of trade protectionism on economic activity and prices has been limited so far, with effective U.S. tariff rates around 18%, lower than previous estimates [7][8] - A weaker dollar has supported global trade flows and eased inflationary pressures in emerging markets, allowing for more accommodative monetary policies [7][8] - As the initial effects of preemptive consumption fade, cost pressures may eventually be passed on to consumers, leading to persistent inflation rather than a one-time shock [8] Spillover Effects of Fiscal Policies - Expansionary fiscal policies in major economies are observed to have short-term positive effects on economic activity, partially offsetting the negative impacts of tariffs [9][11] - High sovereign debt levels are raising concerns about public finance sustainability, leading to increased borrowing costs and potential cross-border impacts [11] - The rapid rise of stablecoins may introduce new vulnerabilities in cross-border finance, potentially leading to systemic risks [11] Government Shutdown and Monetary Policy - The IMF is monitoring the economic impact of the recent U.S. government shutdown, which historically has had limited long-term effects [12][13] - The Federal Reserve has various methods to assess economic conditions and will base its policy decisions on available information [13][14]