MFG Calcs
Observed Effective-Rate and Import-Value Change
For eligible U.S. manufacturing families, compare import customs value before and after a large observed increase in the effective calculated-duty rate
Page focus
- Compare import customs value before and after large observed effective calculated-duty rate increases, with explicit non-causal caveats.
- Primary keyword: did the tariff work
Related manufacturing topics
- did tariffs reduce imports
- tariff effect on imports
- import value change around tariffs
- section 232 steel import drop
Last reviewed 2026-08-31.