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Brad DeLong

@braddelong

Author of "Slouching Towards Utopia: An Economic History of the 20th Century". Too online since 1995. Sometime Deputy Assistant Secretary of the U.S. Treasury. UC Berkeley Professor.

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Latest posts by Brad DeLong @braddelong

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Moriori genocide - Wikipedia

Well, it depends.

Moriori genocide - Wikipedia en.wikipedia.org/wiki/Moriori...

06.03.2026 04:46 👍 6 🔁 1 💬 0 📌 0

Can you name me a people in the world who were **not** established by what one might call "settler colonialism"?

06.03.2026 00:02 👍 1 🔁 0 💬 4 📌 0

Less than one third of the topics I wanted to, and all at much less depth than they deserve. But ars longa, vita brevis:

**MEMO TO SELF: What It Looks Like I Will Actually Have Managed to Cover in My Half of Econ 210a This Semester…**
< braddelong.substack.com/p/memo-to-se... >
2026-03-05 Th

05.03.2026 17:20 👍 5 🔁 0 💬 0 📌 0

But "unleashing Chiang" was an empty Cold War threat, made only by delusional right-wing morons. GHWB was making fun of people when he used the phrase...

04.03.2026 01:08 👍 44 🔁 3 💬 0 📌 0

There are **many** possibilities for Early Modern Europe fantasy books that start from genuine documents, but then read "dragon" for "dragoon"...

02.03.2026 03:07 👍 4 🔁 0 💬 0 📌 0
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Killing Khamenei: Regime-Change Roulette in a Powder-Keg World But Trump insisted he already destroyed the Islamic Republic of Iran’s nuclear-weapons program! A sudden U.S.–Israeli decapitation campaign against Iran and the killing of Supreme Leader Khamenei...

..Roulette in a Powder-Keg World**
< braddelong.substack.com/p/killing-kh... >
2026-03-01 3/END

01.03.2026 15:23 👍 13 🔁 2 💬 0 📌 0

...lesson: get an operational deterrent—nuclear-threat or leader-family threat, by bomb, missile, drone, or assassin—fast. This war is less a precision strike than a stress test of a wobbling world order, from Hormuz to Kyiv to the South China Sea and beyond:

**Killing Khamenei: Regime-Change... 2/

01.03.2026 15:23 👍 21 🔁 4 💬 1 📌 0

But Trump insisted he already destroyed the Islamic Republic of Iran’s nuclear-weapons program! A sudden U.S.–Israeli decapitation campaign against Iran and the killing of Supreme Leader Khamenei shatters nuclear diplomacy, destabilizes energy markets, and teaches every medium power the same... 1/

01.03.2026 15:22 👍 28 🔁 13 💬 1 📌 0

nice summary of how it sits as I see it. what do you think? be well. brad

28.02.2026 14:55 👍 0 🔁 0 💬 1 📌 0
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Understanding the State of the Corrupt Supreme Court Today Legal Realism in CrazyTown facing the chaos-monkey president: Reading the Roberts Court as a Trump‑era power machine as Alito, Thomas, Gorsuch, Kavanaugh, Roberts, and Barrett turn Trumpist chaos...

...< braddelong.substack.com/p/understand... > 4/END

27.02.2026 21:00 👍 5 🔁 2 💬 1 📌 0

...center at all, but one with a neofascist two and four neofascist fellow travelers. That is what you see when you look at the Roberts Court as a political‑economic actor in a Trump‑run regime…

**Understanding the State of the Corrupt Supreme Court Today**... 3/

27.02.2026 21:00 👍 6 🔁 0 💬 1 📌 0

...they call “law”. The robes donned are “textualism” and “originalism”. The reality is emergency stays, shattered agencies, and a presidency unchained as hollow promises are made of rule of law and simply calling balls and strikes. The Roberts Court is not really a 3-3-3 court with a moderate... 2/

27.02.2026 20:59 👍 4 🔁 0 💬 1 📌 0

Legal Realism in CrazyTown facing the chaos-monkey president: Far out of my wheelhouse, but a legal-realist assessment of the Roberts Court as a Trump‑era partisan-ideological power machine, as Alito, Thomas, Gorsuch, Kavanaugh, Roberts, and Barrett turn Trumpist chaos-monkey impulses into... 1/

27.02.2026 20:59 👍 11 🔁 0 💬 2 📌 0

Very true...

26.02.2026 14:46 👍 7 🔁 0 💬 0 📌 0

Do not ignore that actually having a sense of shame, having feelings of regret, and taking actions in response does not seem to be a common reaction among the set of Epstein's post-2008 friends...

26.02.2026 14:37 👍 33 🔁 4 💬 1 📌 0

..."Project Hail Mary" Movie Team REALLY REALLY REALLY REALLY Want You to Go See Their Movie in a Movie Theater**
< braddelong.substack.com/p/my-cousin-... >
2026-02-25 We 2/END

25.02.2026 16:48 👍 6 🔁 1 💬 1 📌 0

Twelve different video formats, $1.5 million a minute in world-class expert filmmaking craftsmanship, & I got to see where some of that $1.5 million a minute went by watching a small slice of the post-production fussing-over:

**My Cousin Phil Lord, His Co-Director Chris Miller, & the Entire... 1/

25.02.2026 16:48 👍 6 🔁 0 💬 1 📌 0

if you're really gonna go with "some people are getting dragged who don't deserve it," maybe don't run the piece with a cover image including:
-Archduchess who took $ from Epstein & lives large despite a ~dozen crime-level fuckups, and
-quack who ditched newborn in the ICU to hang out with Epstein

24.02.2026 19:09 👍 126 🔁 3 💬 2 📌 0

:-)

24.02.2026 19:07 👍 1 🔁 0 💬 0 📌 0

Indeed, as long as the CCP needs to avoid currency appreciation that would lead to goverment-destabilizing unemployment in export oriented sectors, China needs treasures. @braddelong.bsky.social taught me that in 2006!

24.02.2026 06:22 👍 10 🔁 1 💬 2 📌 0
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China is not dumping US Treasuries Ignore the amateur geopolitical strategists talking eloquently about the end of dollar dominance

Brad Setser says that "China is not dumping US Treasuries". This isn't likely to be nearly as exciting as an article that claims that "China is dumping US Treasuries!", but the math, the data and the reasoning are much better.
www.ft.com/content/9ea5...

24.02.2026 04:33 👍 44 🔁 11 💬 4 📌 1
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MAMLMs Still Epic Fail Open‑Book, Closed‑World, Finite‑List, Obvious Ground Truth Tasks I count this as a failure nine different successive times. There really is a unique, well‑defined answer, and where the machine has every chance to uncover it: the Hedge Knight Ashford Meadow line...

...open question.” We get not one isolated “hallucination” but rather a hallucination cascade:

**MAMLMs Still Epic Fail Open‑Book, Closed‑World, Finite‑List, Obvious Ground Truth Tasks**
< braddelong.substack.com/p/mamlms-sti... >

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SUBSCRIBE TO < HTTP://BRADDELONG.SUBSTACK.COM > 2/END

24.02.2026 19:06 👍 9 🔁 1 💬 1 📌 2

I count this as a failure nine different successive times. There really is a unique, well‑defined answer, and where the machine has every chance to uncover it: the Hedge Knight Ashford Meadow line‑up. This avoids the usual escape hatches about “the data might be ambiguous” or “this is a hard... 1/

24.02.2026 19:06 👍 7 🔁 0 💬 1 📌 0

And the feral evil spirit roadrunner-to-human ratio? BEEP-BEEP!!

P.S.: What were those weeds, anyway!? They must be some tough hombres!

22.02.2026 04:30 👍 6 🔁 0 💬 1 📌 0
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The Corrupt & Craven Supreme Court Has a Tariff Opinion This AM! Emergency power, Republican president: Learning Resources v. Trump as a Year of Lawless Tariffs, then a 6-3 clawback—that record does not diminish but underlines the corruption problem of the Rober...

...Tariff Opinion This AM!**
< braddelong.substack.com/p/the-corrup... >
2026-02-20 Fr 2/END

20.02.2026 18:00 👍 9 🔁 1 💬 0 📌 0

Emergency power, Republican president: Learning Resources v. Trump as a year of lawless tariffs, then a 6-3 clawback—that record does not diminish but underlines the corruption problem of the Roberts right-wing majority on today’s Supreme Court:

**The Corrupt & Craven Supreme Court Has a... 1/

20.02.2026 17:59 👍 16 🔁 5 💬 1 📌 0
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Three Ways Terminal AI Has Changed How I Work (And Whether It's Coming for My Job) How terminal AI compresses setup, robustness checks, and iteration without replacing judgment, and whether Olivia Rodrigo caused the inflation wave.

...(And Whether It's Coming for My Job)**
How terminal AI compresses setup, robustness checks, and iteration without replacing judgment, and whether Olivia Rodrigo caused the inflation wave…
< newsletter.mikekonczal.com/cp/188568241 >
2026-02-19 Th 4/END

20.02.2026 13:01 👍 5 🔁 0 💬 0 📌 0

...compression of the set-up phase of knowledge work. The human attention paid to plumbing can be repurposed to “what is actually going on here?” Konczal’s examples are reassuringly mundane—yet powerful mind-amplifiers:

**CROSSPOST: MIKE KONCZAL: Three Ways Terminal AI Has Changed How I Work... 3/

20.02.2026 13:00 👍 5 🔁 0 💬 1 📌 0

...model that now lives in his working directory. What he brings back is not a story of instant superintelligence or a world in which economists and policy analysts are swept away by robo-oracles. It is, instead, a report from the front lines of something prosaic yet very consequential: the... 2/

20.02.2026 13:00 👍 2 🔁 0 💬 1 📌 0

Mike Konczal has joined the MAMLM-enabled white-collar workforce. As a scout, he reports on the successes—so far—of this Errand Unto the Wildnerness of his. He is now equipped not just with spreadsheets and Stata do-files alone, but with a terminal window, a microphone, and a large language... 1/

20.02.2026 12:59 👍 8 🔁 0 💬 1 📌 0