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Questions About the MPIA and Article 25 Appeal Arbitration

I have a short Cato paper out today on the Multi-Party Interim Appeal Arbitration Arrangement (MPIA). I am excited about the prospects for the MPIA, but I do have some questions, including the following: What approach will the MPIA take regarding the interpretation of core WTO principles such as
Simon Lester 01 Sep 2020 1 min read

Unilateralism vs. Multilateralism on Carbon Taxes / Carbon Tariffs

In my view, carbon taxes are the best way to address climate change, and the best approach to carbon taxes is to apply them in a non-discriminatory manner to products from all countries. How exactly do you make them non-discriminatory? Ideally, you would do this on a multilateral
Simon Lester 30 Aug 2020 12 min read

New Book from David Gantz on the USMCA

An Introduction to the United States-Mexico-Canada Agreement: Understanding the New NAFTA (Edward Elgar Publishers, 2020), by David A. Gantz, has been published. The description follows: The United States-Mexico-Canada Agreement (USMCA), a modified and modernized version of the North American Free Trade Agreement (NAFTA), will continue to
Simon Lester 27 Aug 2020 1 min read

Upcoming SIEL Conversation: African Continental Free Trade Area in an Era of Waning Multilateralism - Of Optimists and Sceptics

From the SIEL: Upcoming SIEL Conversation: African Continental Free Trade Area in an Era of Waning Multilateralism - Of Optimists and Sceptics The aim of SIEL Conversations is to bring together authors and commentators to give talks that are idea-focused so as to foster learning and inspiration, and provoke conversations
Simon Lester 27 Aug 2020 1 min read

Guest Post: TikTok, IEEPA, and CFIUS

This is a guest from Wentong Zheng, a law professor at the University of Florida On August 6, 2020, President Trump issued an executive order entitled Addressing the Threat Posed by TikTok, and Taking Additional Steps to Address the National Emergency With Respect to the Information and Communications Technology and
Simon Lester 27 Aug 2020 3 min read

Guest Post: PPE and the Costs of Section 301 Tariffs

This is a guest post from Ernesto Hernández-López, Professor of Law at the Dale E. Fowler School of Law, Chapman University. He researches international trade and international law. Just as the United States and China agreed to a truce in tariff retaliations with the Phase One Agreement on February
Simon Lester 26 Aug 2020 3 min read

Guest Post: A Response to Lighthizer on Third Party Adjudication

This is an anonymous guest post that responds to a recent op-ed by U.S. Trade Representative Robert Lighthizer. [Note: Some people’s work means that they prefer to discuss such issues on a non-attributable basis, and there have been many anonymous comments on this blog over the
Simon Lester 25 Aug 2020 4 min read

China and distortions - Bis

As previously reported in this blog, China last month found that non-market economy conditions exist in the US energy and petrochemical sector, and accordingly swapped out US exporters’ costs in calculating the dumping margin for US n-propanal exporters (“The US is now a non-market economy – anti-dumping
Jesse Kreier 21 Aug 2020 1 min read

DSU Article 11 and Appellate Review: Past, Present, and Future

DSU Article 11 provides the following: Article 11: Function of Panels The function of panels is to assist the DSB in discharging its responsibilities under this Understanding and the covered agreements. Accordingly, a panel should make an objective assessment of the matter before it, including an objective assessment of the
Simon Lester 16 Aug 2020 9 min read

Renovating the International Architecture for Economic Growth and Social Justice

Renovating the International Architecture for Economic Growth and Social Justice Steve Charnovitz 6 August 2020 One of the enduring lessons of the past 150 years is the value added from international rules and transnational mimesis.  National (and subnational) governments are the primary providers of public regulation and public goods, but
Charnovitz 06 Aug 2020 4 min read

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Featured

What Kind of Discrimination Should Section 338 Target?

A couple weeks ago, the U.S. International Trade Commission asked for public comments on implementing Section 338.
25 Sep 2026 5 min read

Jake Sullivan Wants To Build On the Biden Administration's Industrial Policy

In a recent article, Jake Sullivan makes the case for continuing on with the Biden administration's economic policies, arguing for an even broader and more comprehensive industrial policy than what we saw under Biden.
13 Sep 2026 6 min read

How Difficult Will It Be Politically To Remove Trump's Tariffs?

Heather Hurlburt, who was the Chief of Staff for U.S. Trade Rep. Katherine Tai from 2022-2024, recently poured some cold water on the idea that Trump's tariffs might be removed quickly after he is out of office.
12 Aug 2026 3 min read

Why Section 338 Does Not Work in a GATT/WTO World: Lessons from Trade Law History

On July 21, 2026, President Trump exercised his authority under Section 338 of the Tariff Act of 1930 (hereinafter Section 338) to impose the maximum amount of additional tariffs (fifty per cent) on Canadian cars, alcohol, and dairy, owing to his determination of Canada’s discriminatory treatment of US exports.
23 Jul 2026 10 min read

EU WTO Reform Proposal Seeks To Extend Accession-Based State Enterprise Rules To All Members

In a new WTO reform paper entitled "Further Reflections on Disciplines, Subsidies and Industrial policy," the EU argues for stronger WTO disciplines on the behavior of state enterprises.
17 Jul 2026 5 min read

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