US-Korea Trade Tensions Escalate: Tariff Negotiations Stall Over 350 Billion Investment Demand and Potential Economic Fallout

Listeners, here’s your South Korea Tariff News and Tracker update for Monday, September 15, 2025. Negotiations between South Korea and the United States over tariffs and investment remain in gridlock, centering on a proposed $350 billion Korean investment fund for U.S. industry. The Trump administration, under its “reciprocal tariff” framework, has offered to reduce tariffs on most South Korean exports, notably cars, from the current 25 percent to 15 percent—matching the recent arrangement struck with Japan. In return, Washington is pressing Seoul to commit the full $350 billion as direct investment, with the United States reserving the right to select projects and ultimately receive 90 percent of profits after the principal is returned. The Korean government, citing national-interest concerns, is resisting these demands. According to the Korea Times, Korean Trade Minister Yeo Han-koo emphasized negotiations must protect national interests and balance, describing the process as long and difficult. Seoul prefers most of the planned investment to take the form of loans and credit guarantees, not direct capital, to avoid destabilizing its nearly $410 billion in foreign reserves. The U.S., however, has warned that failure to accept the deal could result in the full 25 percent “reciprocal” tariffs being re-imposed on South Korean goods—a major pressure point for exporters already struggling with falling profits. Japan, meanwhile, has already accepted a similar framework, agreeing to invest $550 billion under terms largely dictated by Washington. For Japanese exporters, the U.S. agreed to split profits 50-50 until the principal is paid back, then claim 90 percent of profits going forward; these terms increase the competitive gap for Korean industries, especially autos and electronics. The backdrop to these decisions is the broader “Liberation Day tariffs” regime announced by President Trump in April, which imposed a 10 percent baseline tariff on most countries’ exports to the U.S., with higher and specific rates for key trading partners. The White House described these as “reciprocal,” but most economists—according to Politico and Fortune—argue the measures are sweeping and exceed the trade barriers faced by U.S. goods abroad, making this the most significant U.S. protectionist move since the 1930s. The pressure intensified this month with a high-profile federal raid on a Hyundai-LG electric vehicle battery plant in Georgia, where 475 mostly South Korean workers were detained. President Trump then went online to say he doesn’t want to “frighten off or disincentivize investment,” but calls for an official apology are mounting in Seoul. Listeners, keep watching this space as Trade Minister Yeo travels to Washington this week for critical talks with U.S. Trade Representative Jamieson Greer. The coming days will be vital in determining whether South Korea can secure better tariff terms without committing to the massive and controversial direct investm This content was created in partnership and with the help of Artificial Intelligence AI.