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WFN QUICK BRIEF · UNDER 1 MIN
The short version
MODE 2 OF 2
What the primary record establishes
The US Bureau of Labor Statistics excludes customs duties from the prices used in its import price indexes. Tariffs may still affect the prices suppliers and buyers agree on, which can later appear in the index. BLS import price methodology and tariffs ↗
What the distinction changes
If a good costs $100 and the duty rises from $5 to $15, the importer’s simplified cost rises from $105 to $115, about 9.5%. The supplier’s price stays at $100 in the example. A subsequent price concession could reduce the index price while the total cost remained above its original level.
What to check before drawing a conclusion
For an FX analysis, separate the contract currency, the supplier’s price and the duty. A dollar contract can absorb a currency move in the supplier’s margin initially. Inventory, renegotiation and retail pricing affect when higher costs reach consumers.
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WFN STORY COMPASS
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Original WFN vector illustrationWFN · 6 November 2026
Editorial noteSource-based explanation with original WFN analysis. Historical records retain their dates; numerical examples are illustrative. The original vector illustration is conceptual and is not documentary evidence.
WFN REALITY LEDGER
What is on the record?
Primary-source explainer
Primary-source explainer
Primary record / reference periodBLS import price methodology and tariffs
The linked source supports the documented record; WFN interpretation and illustrative examples are separate.
01 · VERIFIED RECORD
What the primary record establishes
The US Bureau of Labor Statistics excludes customs duties from the prices used in its import price indexes. Tariffs may still affect the prices suppliers and buyers agree on, which can later appear in the index. BLS import price methodology and tariffs ↗
02 · WFN EDITORIAL ANALYSIS
What the distinction changes
If a good costs $100 and the duty rises from $5 to $15, the importer’s simplified cost rises from $105 to $115, about 9.5%. The supplier’s price stays at $100 in the example. A subsequent price concession could reduce the index price while the total cost remained above its original level.
03 · REVIEW POINTS
What to check before drawing a conclusion
For an FX analysis, separate the contract currency, the supplier’s price and the duty. A dollar contract can absorb a currency move in the supplier’s margin initially. Inventory, renegotiation and retail pricing affect when higher costs reach consumers.
