ThinkTankWeekly

The Supreme Court’s Tariff Decision Could Affect U.S.-China Negotiations

CFR | 2026-02-26 | economy

Topics: China, Trade, United States

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English Summary

The Supreme Court's ruling that the IEEPA does not authorize tariffs constrains the U.S. President's ability to deploy immediate trade barriers, shifting economic statecraft from executive brinkmanship toward slower institutional processes. While established Section 301 and 232 tariffs remain valid, the decision invalidates recent emergency duties and forces the administration to rely on procedural tools like Section 122 or new investigations. This change provides Beijing with a tactical advantage and more time to maneuver ahead of high-stakes negotiations, as U.S. threats now require greater legal and legislative consensus. Consequently, the trade rivalry will likely become more predictable and rule-bound, though structural tensions between the two powers persist.

中文摘要

最高法院裁定《國際緊急經濟權力法》(IEEPA)並不授權加徵關稅,此舉限制了美國總統立即部署貿易壁壘的能力,使經濟策略從行政邊緣政策轉向較緩慢的體制流程。雖然既有的 301 條款與 232 條款關稅依然有效,但該裁定使近期的緊急關稅失效,迫使行政當局必須依賴如 122 條款或啟動新調查等程序性工具。這項轉變為北京提供了戰術優勢,使其在面對高風險談判前有更多斡旋空間,因為美國的威脅現在需要更高程度的法律與立法共識。因此,貿易對抗可能會變得更具可預測性並受到規則約束,儘管兩大國之間的結構性緊張局勢依然存在。

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