The North American — 77

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The Cost You Can't Calculate

How trade policy uncertainty (Tariffs) is quietly stalling North American supply chains

Eduardo Joffroy's avatar
Eduardo Joffroy
Mar 10, 2026
∙ Paid

For businesses that move goods across borders, the biggest risk right now is not tariffs. It’s policy uncertainty.

Over the past few weeks, U.S. trade policy has shifted repeatedly, forcing importers, manufacturers, and logistics operators to adjust in real time.

First, the U.S. Supreme Court struck down tariffs that had been imposed using emergency powers.

Almost immediately, the White House replaced them with a new 10% global tariff under a rarely used provision of the Trade Act. Within days, officials signaled the rate could rise to 15%.

In just a few weeks, the legal foundation for tariffs changed entirely.

For companies operating across the U.S.–Mexico border and throughout North American supply chains, that kind of shift matters far more than the political debate around trade deficits.

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Supply chains are planned years in advance

Contracts are negotiated months ahead.

Freight pricing depends on stable assumptions.

Policy, by contrast, can change in a matter of days.

When those assumption…

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