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Katherine Tai on "Discrimination" against U.S. Companies and National Security Capture

Katherine Tai is no longer the U.S. Trade Representative, but I missed this podcast interview that took place while she was still in office, so I'm going to submit this blog post about her trade policy views a few days late. I only have two brief comments,
Simon Lester 26 Jan 2025 4 min read

Would the U.S. Join a Version of the MPIA?

I have a new piece for the Japan Economic Foundation that asks "Would the United States Join the MPIA?" This is from the conclusion: The Appellate Body appointments crisis has dragged on for years now. The MPIA represents a solution for any WTO member that wants to ensure
Simon Lester 26 Jan 2025 3 min read

Trump's Trade Policy, Day 1: Just a Memo

There was a great deal of anticipation about what tariffs Trump might impose on his first day in office, but ultimately we just got a memo. (In response to a question from a reporter, Trump did say "We're thinking in terms of 25 percent [tariffs] on Mexico
Simon Lester 20 Jan 2025 8 min read

The Optimal Tariff Argument at the Scott Bessent Hearing

At his confirmation hearing last week, Treasury Secretary-nominee Scott Bessent mentioned "optimal tariff theory," which is something that always triggers me (although as I'll say later, I'm not sure he meant what he seemed to): Senator Ron Wyden: On the tariffs, Donald Trump, with
Simon Lester 19 Jan 2025 5 min read

USTR's Model Negotiating Texts: Non-Market Practices and More

Last week, USTR released what it referred to as "Model Negotiating Texts" on a number of issues: * Competition Model Text * Inclusive Economy Chapter Model Text * Non-Market Policies and Practices (NMPPs) Model Text * Public Enterprise Model Text * Standards Model Text There's a lot to take in here,
Simon Lester 17 Jan 2025 4 min read

The Latest on Appeal/Review in WTO DS Reform

I've been posting about official WTO documents related to appeal/review in dispute settlement reform. The latest one, from the heads of delegation meeting on November 21, is now available. There were no exciting new revelations, but just for the sake of completeness, I'm providing excerpts
Simon Lester 17 Jan 2025 2 min read

Unfinished Business: Bringing China Into the Club of Market-Oriented Countries

Given where U.S. trade policy is at the moment, this doesn't seem like the best time for my latest piece, which is called "Unfinished Business: Bringing China Into the Club of Market-Oriented Countries." But sometimes all you can do is lay the groundwork for the
Simon Lester 16 Jan 2025 2 min read

Katherine Tai on "The Real Purpose of Trade Policy"

As we close in on the end of the Biden administration, I may have fewer opportunities to react to Katherine Tai's thoughts on trade policy. My Katherine Tai tag now has over 60 entries. I've enjoyed writing them, and I hope she has enjoyed -- or
Simon Lester 13 Jan 2025 7 min read

Call for Papers: Journal of World Investment & Trade

This is a call for papers from early career scholars in international trade and investment law from the Journal of World Investment & Trade: Submit your abstract, and if selected, you will be invited to participate in an exclusive workshop where you will receive invaluable advice and guidance from leading
Simon Lester 13 Jan 2025 1 min read

Call for Papers: Shaping Appropriate ADR in International Law

The International Law Association is hosting a conference on Shaping Appropriate ADR in International Law, on 7 April 2025 in Florence, Italy. The call for papers is here. Here is the conference theme: As 2025 begins, there is no shortage of international law disputes, in areas ranging from geopolitics to
Simon Lester 09 Jan 2025 1 min read

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International Economic Law and Policy Blog

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Could Congress Extend the USMCA for Another Term?

People have been assuming that the decision on whether to extend the USMCA for another term is up to President Trump, but based on the language of the USMCA related to the upcoming joint review, could Congress actually have the power to make this decision on its own?
04 May 2026 4 min read

Is There No Going Back on Trade? What Is the Path Forward? A Response to Lighthizer

Former U.S. Trade Rep. Bob Lighthizer has a new essay in Foreign Affairs, and I have some thoughts. I'm going to start with his brief big picture points on the direction of U.S. trade policy, and then go through a couple of the specific concepts he emphasizes.
27 Apr 2026 6 min read

The Section 301 Excess Capacity Investigation Needs Less Madness, More Method

Shortly after the Supreme Court ruled President Trump’s emergency tariffs under IEEPA  unconstitutional, the administration scrambled to rebuild its tariff wall. While the announcement of Section 122 tariffs immediately following the ruling will provide a temporary patch, the U.S. Trade Representative’s office quickly began to utilize another
24 Apr 2026 6 min read

War Tariffs

This is a co-authored post by Kathleen Claussen and Tim Meyer. Last week, President Trump announced that the United States would be imposing new tariffs of 50 percent of the value of any product coming from any country that sells weapons or provides military aid to Iran. Some commentators questioned
14 Apr 2026 5 min read

USMCA Review and Extension Predictions

When the idea of an expiration clause was suggested during the NAFTA renegotiation, I was against it from the start, and Inu and I wrote a pretty critical piece about it at the time. A review is great, we said, let's definitely have reviews, and there are plenty of ways to do that.
08 Apr 2026 5 min read

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