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Kimberly Clausing

@kclausing

Economist; Professor @law.ucla.edu; senior fellow @piie.com; former tax DAS at Treasury; Author, Open: The Progressive Case for Free Trade, Immigration, and Global Capital

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Latest posts by Kimberly Clausing @kclausing

Corruption and influence-peddling have long been major problems with tariffs, and they may also help explain why Trump so loves them: gathering in his hands total ongoing discretion over every tariff gives pretty much every important business and nation a strong ongoing reason to court his favor.

03.03.2026 15:52 πŸ‘ 16 πŸ” 6 πŸ’¬ 1 πŸ“Œ 1
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Opinion | Trump’s New Tariffs Invite Corruption The president still has a lot of leeway to impose tariffs. That’s an invitation for businesses to curry favor with him.

"Until Congress reasserts its constitutional authority over tariffs and other policy matters, the institutional decline and corruption enabled by Mr. Trump’s agenda will continue," write Shane Ball and Kimberly Clausing.

02.03.2026 21:31 πŸ‘ 5 πŸ” 2 πŸ’¬ 0 πŸ“Œ 1
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Opinion | The Big Problem With Tariffs Isn’t the Rates. It’s the Corruption.

Today w/ @shaneball.bsky.social in @nytimes.com.

I used to think the Trump tariffs were about not understanding economics.

Then that they were about disguising a shift in tax burdens.

Those may both be true; yet the dominant aim may well be power/corruption.

www.nytimes.com/2026/03/02/o...

02.03.2026 15:47 πŸ‘ 13 πŸ” 1 πŸ’¬ 0 πŸ“Œ 2
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JCT is live streaming its 100th birthday celebration on March 4. (I'm on the panel) www.jct.gov/live-stream/

27.02.2026 18:15 πŸ‘ 1 πŸ” 3 πŸ’¬ 0 πŸ“Œ 0
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Holding the line on the EU carbon border adjustment mechanism Exempting fertilisers from CBAM would achieve little while risking climate progress

CBAM backsliding would provide only minimal price relief to farmers, while hurting the prospects of EU fertiliser producers, argue @kclausing.bsky.social, Ignacio GarcΓ­a Bercero, @mpereboom.bsky.social & @cwolfram.bsky.social

πŸ”— buff.ly/HdgPdrT
#EconSky

25.02.2026 11:00 πŸ‘ 2 πŸ” 2 πŸ’¬ 0 πŸ“Œ 0
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Holding the line on the EU carbon border adjustment mechanism Exempting fertilisers from CBAM would achieve little while risking climate progress

New piece out @bruegel.org with Ignacio GarcΓ­a Bercero, @mpereboom.bsky.social, and @cwolfram.bsky.social.

In which we describe why exempting fertilizer from the EU's CBAM will do little to nothing for farmers, while weakening an important climate policy tool.

www.bruegel.org/first-glance...

25.02.2026 15:14 πŸ‘ 139 πŸ” 52 πŸ’¬ 1 πŸ“Œ 2
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What the Supreme Court's tariff ruling changes, and what it doesn't In a clear rebuke to President Donald Trump’s tariff policies, the Supreme Court ruled on February 20 that many of his tariffsβ€”those that invoked the International Emergency Economic Powers Act (IEEPA...

(6/6) Finally, at more length, we discuss whether it makes sense to think of the United States as having balance of payments problems.

In short, it does not.

See the piece for all the details.

www.piie.com/blogs/realti...

24.02.2026 15:40 πŸ‘ 5 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0
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(5/6) And Trump has plenty of cards to play with trading partners.

24.02.2026 15:40 πŸ‘ 1 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0
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(4/6) But there is also bad news.

Tariffs will continue, alongside distortion, business uncertainty, consumer costs, and rampant opportunities for corruption and rent-seeking.

24.02.2026 15:40 πŸ‘ 1 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0
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(3/6) These tariffs also expire in five months, unless there is an Act of Congress. Calling the question with Congress will not be successful, especially given the fact that this is a midterm election year, affordability is front of mind, and tariffs are deeply unpopular.

24.02.2026 15:40 πŸ‘ 1 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0
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(2/6) Another good and important development: the President’s tariff cudgel is weaker. An even across-the-board tariff makes it hard to play foreign governments off each other.

24.02.2026 15:40 πŸ‘ 1 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0
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(1/6) In my recent piece with Maurice Obstfeld @piie.com, we describe features of today’s US tariff environment. There are three bits of good news and bad news, but it is clear that Section 122 doesn’t apply.

Most Important Good News:

The Court defended separation of powers.

24.02.2026 15:40 πŸ‘ 9 πŸ” 6 πŸ’¬ 1 πŸ“Œ 0
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What the Supreme Court's tariff ruling changes, and what it doesn't In a clear rebuke to President Donald Trump’s tariff policies, the Supreme Court ruled on February 20 that many of his tariffsβ€”those that invoked the International Emergency Economic Powers Act (IEEPA...

The president’s own lawyers argued in the IEEPA case that Section 122 was no substitute for IEEPA, since balance of payment deficits are conceptually distinct from the current account & trade deficits that Trump has characterized as an emergency. By @kclausing.bsky.social & Maurice Obstfeld:

23.02.2026 20:00 πŸ‘ 7 πŸ” 4 πŸ’¬ 0 πŸ“Œ 1
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What the Supreme Court's tariff ruling changes, and what it doesn't In a clear rebuke to President Donald Trump’s tariff policies, the Supreme Court ruled on February 20 that many of his tariffsβ€”those that invoked the International Emergency Economic Powers Act (IEEPA...

My blog post today with Maurice Obstfeld.

We discuss the Supreme Court ruling, the pivot to Section 122, why that too is inapplicable, implications for trading partners, and what next.

What the Supreme Court's tariff ruling changes, and what it doesn't www.piie.com/blogs/realti...

23.02.2026 21:42 πŸ‘ 8 πŸ” 4 πŸ’¬ 0 πŸ“Œ 1

A must-read in Europe and beyond.

Persuasive commentary from my terrific coauthor @cwolfram.bsky.social .

23.02.2026 15:46 πŸ‘ 7 πŸ” 1 πŸ’¬ 0 πŸ“Œ 1

Everyone can, if they are willing to get pre-screened, which would speed up travel for the whole system. For people who travel very infrequently, though, the pre-screening may not be worth their time.

22.02.2026 14:37 πŸ‘ 2 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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DHS suspending TSA PreCheck and Global Entry as shutdown continues The Department of Homeland Security is temporarily halting both programs as part of several emergency measures starting early Sunday.

It's unclear how making the most prepared and screened travelers spend more time in screening saves staff time. (Or even helps Noem convince the public that she's not part of the problem.)

wapo.st/4aw9RZ2

22.02.2026 14:09 πŸ‘ 18 πŸ” 7 πŸ’¬ 2 πŸ“Œ 2

I haven't seen, but it certainly strengthens their hand, a large reason to rework or cancel. (A good thing.)

20.02.2026 15:43 πŸ‘ 2 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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By 6-3 decision, tariffs struck down.

20.02.2026 15:19 πŸ‘ 15 πŸ” 8 πŸ’¬ 1 πŸ“Œ 0
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U.S. Imports Grew in 2025, as Trump’s Tariffs Reshuffled Global Trade

Unsurprisingly (for many), Trump's tariffs have not lead to an improvement in many of the metrics by which the Administration judges them.

U.S. Imports Grew in 2025, as Trump’s Tariffs Reshuffled Global Trade www.nytimes.com/2026/02/19/b...

19.02.2026 15:48 πŸ‘ 18 πŸ” 11 πŸ’¬ 0 πŸ“Œ 2

The most up to date version of the paper is here: allanhsiao.com/files/CCHW_c...

12.02.2026 16:30 πŸ‘ 2 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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#18 Kimberly Clausing - The Global Effects of CBAM: Quantifying Benefits, Costs, and Leakage - Climate Economics with Arvid Viaene Climate policy faces a built-in incentive problem: countries bear the costs of domestic regulation, while the benefits of lower COβ‚‚ are shared globally. One proposed solution is a Carbon Border Adjust...

(1/2) Such a pleasure discussing the importance of the EU CBAM for climate policy with Arvid Viaene. Listen to his podcast to hear more about our work on the Global Effects of CBAM, with @allanhsiao.bsky.social @cwolfram.bsky.social and
@jmcolmer.bsky.social.

www.buzzsprout.com/2412056/epis...

12.02.2026 16:30 πŸ‘ 7 πŸ” 3 πŸ’¬ 1 πŸ“Œ 0
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Republican rule vote FAILS.

Republican leaders just tried to use a procedural vote to continue their surrender of congressional powers to prevent Trump's abuse of tariff authorities.

Three Republicans, Reps. Massie, Bacon, and Kiley, joined all Democrats to block them.

11.02.2026 03:07 πŸ‘ 561 πŸ” 132 πŸ’¬ 20 πŸ“Œ 11
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If the WSJ is noticing it must be true

www.wsj.com/economy/jobs...

10.02.2026 04:31 πŸ‘ 332 πŸ” 95 πŸ’¬ 7 πŸ“Œ 12
Pete Returns to Fox News
Pete Returns to Fox News YouTube video by Pete Buttigieg

We need more conversations across the divide, and I can think of no better person to further these conversations than Secretary Buttigieg.

Pete Returns to Fox News youtu.be/c000vQXggH4?...

02.02.2026 20:09 πŸ‘ 12 πŸ” 1 πŸ’¬ 6 πŸ“Œ 0
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Thank you to everyone who demanded freedom for Liam. We won’t stop until all children and families are home.

01.02.2026 15:49 πŸ‘ 6645 πŸ” 1206 πŸ’¬ 182 πŸ“Œ 85
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Ways to Support Minnesota’s Immigrant Communities as ICE Activity Escalates Food drives, fundraisers, trainings, restaurant specials, and other resources to support immigrant communities during ICE's massive Operation Metro Surge.

For those of you wondering how to help those in Minneapolis St Paul, an excellent list of resources is here, including both food support and legal assistance groups.

mspmag.com/arts-and-cul...

25.01.2026 03:24 πŸ‘ 114 πŸ” 70 πŸ’¬ 0 πŸ“Œ 4

They shot Renee Good in the face.
They kidnapped Liam Ramos.
They just executed a man on the street.

Unmask them. Prosecute them. No more secret police.

24.01.2026 18:18 πŸ‘ 1935 πŸ” 663 πŸ’¬ 56 πŸ“Œ 27

Lifting this up again. A huge problem now is that there’s a giant slush fund for ICE & CBP separate from annual funding β€” that Trump can continue to use even during a shutdown.

Ds *must* make rescinding those pots of money the price of any future funding deals, as Rs did w/ IRS money from the IRA.

25.01.2026 01:34 πŸ‘ 217 πŸ” 86 πŸ’¬ 4 πŸ“Œ 44

My son is this age and I just keep looking at this photograph, unable to form a sentence that's not just a howl of rage

22.01.2026 03:19 πŸ‘ 1140 πŸ” 244 πŸ’¬ 42 πŸ“Œ 3