The Lombard Review

Tariffs on, tariffs off

Threat-and-pause negotiation cycle

Busan port is the largest port in South Korea, located in the city of Busan, South Korea
Busan port is the largest port in South Korea, located in the city of Busan, South Korea Photo: Busan Metropolitan city/Wikimedia Commons · CC BY-SA 4.0

Key dataMX/CA 25% paused; China 10% live

The White House’s trade strategy has settled into an exhausting, high-velocity operational rhythm: weaponize tariff threats over the weekend, extract rapid diplomatic concessions, and declare temporary enforcement pauses. A threatened 25 per cent blanket levy on Canadian and Mexican imports was abruptly halted following bilateral border enforcement discussions, while a 10 per cent baseline tariff on Chinese merchandise took effect as scheduled.

View of the Guangzhou skyline from the pagoda at Liurong Temple in Yuexiu District
View of the Guangzhou skyline from the pagoda at Liurong Temple in Yuexiu District Photo: Chinatravelsavvy/Wikimedia Commons · CC BY-SA 3.0

The Coercive Negotiation Playbook

This threat-and-pause cycle is designed to maximize executive negotiating leverage without inflicting immediate, irreversible damage on domestic supply chains. By establishing a credible threat of devastating cross-border duties, the administration forces trading partners into immediate, bilateral concessions on non-tariff issues. However, the temporary nature of these reprieves leaves supply-chain managers unable to formulate coherent multi-year sourcing strategies.

Former Bank of Montreal building, seen from Sparks Street in Ottawa
Former Bank of Montreal building, seen from Sparks Street in Ottawa Photo: Oaktree b/Wikimedia Commons · CC BY-SA 4.0

Supply-Chain Carrying Frictions

For logistics operators and automotive manufacturers, the recurring cycle of alarms generates massive friction costs. Warehouses are alternately packed with pre-tariff safety stock and left with depreciating excess inventory when deadlines are postponed. Operating under the constant threat of overnight border taxes permanently increases the cost of doing business, turning regulatory compliance and logistical optionality into deadweight economic losses.

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