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Would a U.S. Carbon Border Tax Pressure Other Countries To Reduce Emissions, or Just Lead To Retaliation?

A recent Washington Post article describes a new piece of U.S. legislation that could eventually lead to the imposition of a carbon border tax: In a rare example of a bipartisan climate policy, momentum is growing on Capitol Hill for a plan to tax imports from China and other
Simon Lester 11 Jun 2023 4 min read

USTR Goes Old School in USMCA Complaint on Mexican GE Corn Ban

Back in the 1990s, an important area of the trade policy debate was about how WTO rules might interfere with domestic environmental, food safety, and other public policy measures. There were cases such as Shrimp/Turtle, with a number of countries challenging a U.S. environmental measure; and EC -
Simon Lester 08 Jun 2023 3 min read

Security of Steel Capacity – and the Persistence of trade security exceptionalism

In its 2022 WTO Trade Policy Review for the United States (US), China asked the US about its Section 232 tariffs on steel and aluminium. Specifically, China asked about the US steel capacity utilisation rate target of 80% in the Steel Report. China asked the US whether it would now
Mona Paulsen 06 Jun 2023 5 min read

The Supreme Court's Latest Ruling on the Dormant Commerce Clause: More Evidence that People Disagree on the Appropriate Degree of Economic Integration

It has been a while since I've written about a U.S. Supreme Court dormant Commerce Clause case, but the recent National Pork Producers Council v. Ross decision provides a great opportunity to revisit the issue. Steve Charnovitz commented on the decision here. (Here are some other takes:
Simon Lester 31 May 2023 15 min read

“Nice” Trade Lawmaking: How Congress Talks With The USTR

Readers will likely recall the exchange between Ambassador Tai and Rep. Greg Murphy during the annual trade policy agenda hearing a few weeks back in which Rep. Murphy said he thought Ambassador Tai was "too nice" to be effective as the USTR.  You remember it because it went
Kathleen Claussen 24 May 2023 1 min read

Opt Outs, NVNI, or Automatic Rebalancing for National Security Disputes

Veteran U.S. trade lawyers Warren Maruyama and Alan Wolff have a new paper out on "Saving the WTO from the national security exception". In their conclusion, they set out three solutions to the "impasse over justiciability of national security claims": (1) allowing Members to "
Simon Lester 23 May 2023 6 min read

Protectionism, Competition, and Corporate Power

Here's something U.S. Trade Rep. Katherine Tai said in a recent interview with PBS: In trade policy, it's something very interesting, and I've seen this happen in competition policy, where the anti-monopoly folks, antitrust people are working. We see in both of these
Simon Lester 21 May 2023 3 min read

Battle of the Gruyeres

Back in January 2022, I wrote about a U.S. federal court ruling that Gruyere is a generic cheese term, which meant that, despite the protests of the Swiss cheese industry, U.S. producers could make Gruyere cheese and put the word "Gruyere" on the product label in
Simon Lester 17 May 2023 3 min read

The Transatlantic Alignment on a Transnational Subsidy

The U.S. Department of Commerce has proposed a new agential interpretation on the countervailability of the so-called “transnational subsidy.”  What is a transnational subsidy?  Wentong Zheng and I have recently discussed this issue in an article.  Here are some relevant excerpts: Suppose that a foreign company (A) from country
Sungjoon Cho 16 May 2023 2 min read

Warren, Doggett, et al. Letter on Removing ISDS from Existing Agreements

Thirty-three Democratic members of Congress, led by Senator Elizabeth Warren and Congressman Lloyd Doggett, recently sent a letter to U.S. Trade Rep. Katherine Tai and Secretary of State Antony Blinken about ISDS. One point they made in the letter is that ISDS should be removed from existing investment treaties
Simon Lester 14 May 2023 3 min read

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International Economic Law and Policy Blog

International Economic Law and Policy Blog

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Featured

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

The Section 301 Surge Continues: Investigating the Adoption/Enforcement/Administration of Forced Labor Import Bans

This Section 301 investigation intends to pressure all sixty named trade partners (even, inexplicably, including Canada and Mexico) to adopt similar enforcement procedures. This announcement is highly problematic for the four reasons I address below.
16 Mar 2026 4 min read

The Section 301 Surge Is Upon Us: Investigating Excess Capacity and Production

The first of a large batch of expected Section 301 investigations has arrived, as USTR announced yesterday that it was initiating investigations on acts, policies, and practices of various countries/economies "relating to structural excess capacity and production in manufacturing sectors."
12 Mar 2026 3 min read

Debunking the "Hyperglobalization" Trade Policy Myth

Policy is often shaped by narratives, and recently there has been a bipartisan effort to create a narrative that, starting in the early 1990s, globalization and free trade went too far.
03 Mar 2026 8 min read

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