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Tariff Impact Timeline – Even If Tariffs Were Stopped Tomorrow

Published in the Weekly News Digest – 23 April 2025

Ripped news articles showing tariffs, oil, concert

Inside This Week's Episode

In our latest Masters of Supply Chain News Digest, David Warrick is joined by Dennis Mullahy, former Chief Supply Chain Officer at Macy’s and Michaels, to talk through the lingering effects of the current tariff volatility

— and why even if the White House were to reverse course today, it’s already too late to avoid the downstream impact.

What’s at stake isn’t just policy — it’s everything from production timelines and inventory flow to seasonal sales, pricing strategies, and consumer sentiment. The clock is already ticking.

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Episode Key Takeaways

🧭 A Timeline of Disruption That’s Already in Motion

David kicks off by reflecting on what companies are now saying publicly: guidance for 2025 earnings is being revised downward, citing uncertainty driven by tariffs. As Dennis notes, “Tariffs may be reduced tomorrow — but the decisions companies made in March and April will ripple well into the fall and holiday season.”

Procurement decisions were already made. Inventory is either in transit or being cut back. And the tariffs, even if adjusted, have already forced retailers and manufacturers into uncomfortable trade-offs.

🧠 Planning for Agility, Not Just for Tariffs

“The goal isn’t just to survive tariffs,” says Dennis. “It’s to build the muscle to respond to anything.” From cost mitigation via bonded warehousing to inventory deferral strategies, the best companies are using this window to rethink not just procurement, but overall working capital management and inventory productivity.

Agility is the word of the year — but not just in execution. It’s about rethinking how your supply chain interacts with every line item of your P&L.

🛒 Inventory Whiplash and the Retail Clock

As David and Dennis discuss, retailers don’t operate in real-time. Inventory planning is a 6–9 month game. Orders placed for fall and holiday were made under the assumption of steep tariffs. If those tariffs suddenly ease, companies could find themselves low on inventory — and scrambling to catch up.

Or, worse, over-ordering next season and swinging into an overstock crisis.

“If I believe tariffs are staying and I cut orders — but then they’re lifted — I’m out of inventory,” Dennis notes. “If I over-order just in case, I’m buried in working capital.” Either way, the result is the same: inflation and supply chain disruption that lasts the rest of the year.

🔄 The Return of Innovation

The discussion turns toward innovation — and not just the flashy kind. “We’re seeing companies rediscover ideas that have been around for years,” says David. Bonded warehousing, just-in-time pulls, smarter landed cost planning — none of these are new, but they’re becoming essential again.

This “return to fundamentals” may be what separates the companies that merely cope from those that compete.

🤝 Why the Future Is Integrated

The conversation closes on a big idea: supply chains need to stop optimizing in isolation. “What if I deconstruct my supply chain,” Dennis suggests, “and then partner with my suppliers to do the same — and we rebuild together?”

Joint distribution, pooled transportation contracts, shared facilities — there’s a real opportunity here to create agile networks across companies, not just within them.


🔑 Final Takeaways

  • Tariff Impact Lags Behind Policy: Even if tariffs are removed, the procurement cycle means effects will last through the year.

  • Inventory Decisions = Demand Distortion: Companies that cut orders will see product shortages; those that over-order risk working capital bloat.

  • Agility Must Extend to Strategy: True agility is not just operational — it includes planning, contracts, financial modeling, and org design.

  • Rethink Collaboration: Building shared infrastructure with strategic partners may be the smartest supply chain move companies can make in 2025.

  • Use the Crisis: Don’t just react — invest in visibility, partner alignment, and process resilience before the next disruption hits.

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