Shipments of small packages from China have skyrocketed, but the de minimis policy that excludes them from tariffs may end. Chris Casey (Congressional Research Service) joins to explore the history of the US de minimis policy and Amit Khandelwal (Yale University) shares economic research into the question of what happens if the policy ends.

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• Casey, Chris. Imports and the Section 321 (De Minimis) Exemption: Origins, Evolution, and Use. Congressional Research Service (CRS) Report R48380, January 31, 2025.
• Fajgelbaum, Pablo and Amit Khandelwal. The Value of De Minimis Imports. NBER Working Paper No 32607, February 2025 (revised).