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Bart Lipman

@bartlipman.bsky.social
805 followers 353 following 28 posts

Economist, husband, father, aging basketball player, not necessarily in that order. Finding too many ways to be busy.

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Reposted by Bart Lipman
Harry Litman @harrylitman.bsky.social · 12/09/2026
Whoa- the CEO of Anthropic is calling for a slowdown in the development of AI. Its ability for recursive self-improvement is making it too hard to control and understand . share.google/cXhvFkCGd4C0...
share.google
Dario Amodei — We Must Pace the Frontier
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Aaron Rupar @atrupar.com · 07/09/2026
the president is now blacklisting companies by fiat. tell me more about how left-wing communism is the biggest threat to the country.
NO MORE SELLING BOMBARDIER IN THE UNITED STATES! Their products aren’t good enough! Over 50% of their revenue comes from the United States — They live off American Buyers, American Companies, American Airports, and American Service — All while Canada blocks our GREAT American Banks, and Companies, throughout the U.S.A. They even blocked Gulfstream Aerospace from doing business in Canada — Completely unjust and unfair! That Era is OVER! If they want our Market, they must build here, and stop treating America like a “piggybank.” BUY AMERICAN. FLY ON AMERICAN AIRLINERS. ENJOY AMERICAN LIQUOR AND BEVERAGES. SAIL ON LAKE AMERICA. AMERICA FIRST! Thank you for your attention to this matter. President DONALD J. TRUMP
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John Mullahy @johnmullahy.bsky.social · 06/09/2026
Double your money back if this is not the most uplifting, heartwarming thing you read today. www.nytimes.com/2026/09/06/s...
nytimes.com
The 92-Year-Old Mathematician and the Teenage Apprentice
Joan Birman thought her major discoveries were behind her. Then came an email from a young neighbor — a girl who knew little but wanted to learn.
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Aaron Reichlin-Melnick @reichlinmelnick.bsky.social · 28/08/2026
We are a broken nation. Hundreds of thousands of Haitians were living and working legally, paying taxes, and contributing. Haiti remains wholly unsafe. But Trump hates Haitians, and the White House wanted videos of Black people in chains, so they stripped them of status and turned on the cameras.
Homeland Security 7
@DHSgov
X.com
Haiti TPS has been TERMINATED.
Those with terminated TPS are in our nation Illegally. They have two options: LEAVE IMMEDIATELY or be DEPORTED.
DHS.GOV/CBРНОМЕ

Underneath is a screenshot of a video showing two Haitian men in chains being led to the aircraft. I didn’t post the video, but it’s vile.
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Shelly Lundberg @shellyjlundberg.bsky.social · 26/08/2026
www.socialsciences.ucsb.edu/news/ucsb-ec...
socialsciences.ucsb.edu
UCSB Economist Shelly Lundberg Honored with Mincer Award, Releases Book on Gender Economics | Division of Social Sciences
Renowned economist and demographer Shelly Lundberg, Distinguished Professor of Economics and Leonard Broom Professor of Demography at UC Santa Barbara, has been named a recipient of the prestigious 20...
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Vincent Meisner @vincentmeisner.bsky.social · 25/08/2026
This is insane: "Elsevier argued that our collective resignation had damaged the journal’s reputation and demanded six-figure damages per person. In the end, it didn’t come to a trial, but the legal uncertainty weighed on me for two years."
open-science-future.zbw.eu
Challenges and opportunities of the open access transformation
Rethinking science: Professor Dr Dr h.c. Klaus M. Schmidt on his Open Science experiences.
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Retraction Watch @retractionwatch.com · 24/08/2026
Six editors and nearly 60 advisory editors of Games and Economic Behavior resigned after Elsevier, the journal’s publisher, decided not to renew the editor-in-chief’s contract.
retractionwatch.com
Editors of economics journal resign after Elsevier doesn’t renew EIC’s contract
Six editors and nearly 60 advisory editors of Games and Economic Behavior resigned after the journal’s publisher decided not to renew the editor-in-chief’s contract.  In late July, Elsevier to…
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Shiv Ramdas Mens Rice Activist @nameshiv.bsky.social · 24/08/2026
Enes Canter saying he's here to defend womens sports is a fascinating change from when he was in the NBA and couldn't defend anything
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The Review of Economic Studies (REStud) @reveconstudies.bsky.social · 24/08/2026
Suppose firms differ in their skill at screening recruits. Which firms post the highest wages? Is equilibrium efficient? Does recruiting cause firms’ skill levels to diverge or converge? New paper by Board, Meyer-ter-Vehn and Sadzik www.restud.com/recruiting-t... #REStud #EconSky
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Bill Kristol @billkristolbulwark.bsky.social · 21/08/2026
I tremble for my country when I reflect that God is just. www.washingtonpost.com/immigration/...
washingtonpost.com
ICE begins deporting Haitians who lost TPS back to homeland
Community leaders said Thursday’s removal flight was one of the largest they had seen and included people who were detained in recent weeks.
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Theoretical Economics @econtheory.bsky.social · 18/08/2026
We study optimal mechanisms for allocation problems without transfers where agents have correlated types. Using graph-theoretic methods, we show that exactly optimal mechanisms are impractically complex. We propose approximately optimal alternatives www.econometricsociety.org/publications...
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Jonathan A. Parker @profjaparker.bsky.social · 18/08/2026
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The Review of Economic Studies (REStud) @reveconstudies.bsky.social · 18/08/2026
New paper by Bardhi, Guo, and Strulovici www.restud.com/early-career... #REStud #EconSky
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Women in Economics Initiative @womeninecon.bsky.social · 13/08/2026
📅 Mentoring Programme: November 2026 – July 2027 ⏰ Applications close: 14 September 🔗 Apply via the link! form.jotform.com/262114506070...
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Jen Rubin @jenrubin.bsky.social · 12/08/2026
Just appalled by the assumption that this is an acceptable way to cover a woman candidate. and who the hell needs to hear from David Axelrod on this or anything? WTF is wrong with the leacy media? www.nytimes.com/2026/08/12/u...
nytimes.com
With Big Choices Ahead, Ocasio-Cortez Navigates New Territory
Representative Alexandria Ocasio-Cortez’s decision to share her decision to freeze her eggs, the news that her longtime relationship had ended and talk of a presidential run have only intensified the ...
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Econometrica @ecmaeditors.bsky.social · 11/08/2026
Buyers may differ not in value, but in purchase frequency. This changes dynamic screening: commitment extracts all surplus; without commitment, learning mitigates ratcheting and can make sellers screen after pooling. buff.ly/9z9y2db
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Steve Ricketts @stevericketts.bsky.social · 07/08/2026
if you ignore deaths due to WWII, Russian population increased during the early 1940s
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Al Roth @alroth.bsky.social · 03/08/2026
Here's a New Yorker cartoon about tenure... #academicsky www.newyorker.com/gallery/cart...
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Academy of the Social Sciences in Australia @acadsocsci.bsky.social · 17/07/2026
⭐️ FEATURED FELLOW ⭐️ Professor Richard Holden UNSW “Cognitive economics...is about “getting inside” people’s heads to rebuild economics by understanding the limit of human computational capacity and the individual reasoning process". Read more:https://bit.ly/4wRGMzC @profholden.bsky.social
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David Rothkopf @djrothkopf.bsky.social · 30/07/2026
There could be nothing more pro-Israel than actively opposing a regime that has turned the country into an anti-democratic rogue state, a serial violator of international law and that therefore is destroying its standing and relationships with vital allies.
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Bart Lipman @bartlipman.bsky.social · 24/07/2026
I love LeBron but am hoping this turns out just as well as when Gary Payton and Karl Malone went to the Lakers at the end of their careers
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Shelly Lundberg @shellyjlundberg.bsky.social · 20/07/2026
I'm so grateful to the colleagues who have been willing to read my forthcoming book How Economics Discovered Women in advance (#4).
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George Conway ⚖️🇺🇸 @gtconway.bsky.social · 05/07/2026
www.instagram.com/p/DaVcc4_jrb...
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George Conway ⚖️🇺🇸 @gtconway.bsky.social · 03/07/2026
Hunter Biden: "I am officially nominating Donald J. Trump for the Nobel Peace Prize.

No President in History has ended the same war so many times.

Our Dear Leader has ended the war with Iran at least 38 times by CNN’s count.

No President has ever done this before.

And he is nowhere near finished ending it.

It’s a record worthy of the Nobel committee’s recognition. Thank you for your attention to this matter!"
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Rep. Mike Levin @levin.house.gov · 27/06/2026
Federal prosecutors had a strong criminal case against Senator Jim Justice’s coal companies for thousands of alleged violations, including dumping arsenic into drinking water. Then Trump's DOJ shut it down.
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ArXiv Paperboy (Econ.GN + Econ.TH) @arxivecongnbot.bsky.social · 26/06/2026
arXiv📈🤖 Learning from Viral Information By Dasaratha, He
Motivated by social media, we study an equilibrium model of agents interacting with and learning from each other's signals. Rational agents arrive sequentially, observe a signal (corresponding to a news story) and a sample of predecessors' signals (corresponding to a news feed), and decide which of these signals to endorse. The observed sample is jointly determined by predecessors' endorsement behavior and a sampling rule (capturing a platform algorithm). We focus on how often the sampling rule selects more viral (i.e., widely endorsed) signals. Showing agents viral signals can increase information aggregation, but it can also generate steady states where most endorsed signals are wrong. These misleading steady states self-perpetuate, as agents who observe wrong signals develop wrong beliefs, and thus rationally continue to endorse them. We highlight several consequences of our results for social-media platforms.
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NY Times Pitchbot @nytpitchbot.bsky.social · 09/06/2026
When I fell asleep at the Garden, the Knicks were Winning. Then when I wake up, I see the Spurs have "won." It seems that in the 4th Quarter, the so-called referees kept "finding" Points for the Spurs. Rigged! Fake Game! by Donald J. Trump
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Aaron Sojourner @aaronsojourner.org · 07/06/2026
🚩🚩🚩🚩🚩🚩🚩
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Kathleen Bachynski @bachynski.bsky.social · 06/06/2026
“The Auburn University Board of Trustees on Friday gave itself complete control over course offerings, curriculum, degree requirements and academic credentials while eliminating shared governance at the Alabama land-grant university… The policy leaves many questions unanswered”
insidehighered.com
Auburn Board Takes Curricular Control, Dissolves Senate
The policies mirror the directives laid out in HB 580, which doesn’t take effect until October and doesn’t apply to the institution.
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James Talarico @jamestalarico.bsky.social · 04/06/2026
There’s been a lot of talk in this race about what makes a "real man." A man does what’s right when no one is watching. He upholds his commitments to his family and neighbors. He doesn’t lie, cheat, & steal his way through life. Real men serve others. Weak men serve themselves.
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Jake Wright @bcnjake.bsky.social · 29/05/2026
Once again: German universities were the envy of the world before the Nazis rose to power and took an ideological wrecking ball to the entire enterprise. If you want to know how long it took for German universities to recover… they haven’t.
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Jacquelyn Gill @jacquelyngill.bsky.social · 29/05/2026
🧵 Public science in the US has taken some heavy hits over the last year, but the White House OMB is proposing a series of changes that will result in a TKO for science as we know it unless we fight back. Here's what's happening, and why it matters. 1/n
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Patrick Chovanec @prchovanec.bsky.social · 28/05/2026
A President ordering the Justice Department to criminally investigate a woman who won a sexual assault lawsuit against him makes Watergate look like an unpaid parking ticket.
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Carl T. Bergstrom @carlbergstrom.com · 28/05/2026
This is North Korea level bullshit, and a total fucking disaster for science and for the United States alike. It doesn't matter whether it fails to pass; this kind of thinking is already penetrating NIH, NSF, NASA, etc and causing severe harm. NASEM, AAAS, AAUP, etc must condemn unequivocally.
science.org
Lawmakers propose banning all U.S.-Chinese research collaborations
Critics say bill would weaken U.S. science by cutting flows of ideas and talent
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The Onion @theonion.com · 27/05/2026
Trump Boasts Annual Physical Turned Up No Signs Of Pedophilia theonion.com/trump-boasts-annual-ph…
Trump Boasts Annual Physical Turned Up No Signs Of Pedophilia
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Alexandra Petri @petridishes.bsky.social · 27/05/2026
in case you missed this one www.theatlantic.com/newsletters/...
theatlantic.com
Does Donald Trump Know Men Are Also Allowed to Leave His Cabinet?
I’m one of the last women standing, and I have some questions.
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Scott Shapiro @scottjshapiro.bsky.social · 24/05/2026
5 rules of writing: 1. The reader can only read your words, not your mind. 2. Never make the reader work. 3. The reader is always right. 4. The reader has many other choices. 5. You have (at most) two paragraphs to keep the reader.
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Joe Dator @joedator.bsky.social · 22/05/2026
Today's Daily Cartoon for @newyorker.com by Kevin Maher and me.
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NY Times Pitchbot @nytpitchbot.bsky.social · 22/05/2026
Anger over Trump's $1.8 billion slush fund has risen so high that Senate Republicans are now considering the once unthinkable step of sending the president a sternly-worded letter.
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Theoretical Economics @econtheory.bsky.social · 29/04/2026
Why do people think streaks are unlikely? This paper develops a formal account of a belief in mean reversion and shows how it can generate some of the core implications of the Law of Small Numbers www.econometricsociety.org/publications...
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Kira Goldner @kiragoldner.bsky.social · 29/04/2026
Reminder that the Easy Peasy deadline is this coming Monday AoE! Please submit your simple, elegant results!
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Jon Cooper @joncooper-us.bsky.social · 28/04/2026
🎯🎯
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The Review of Economic Studies (REStud) @reveconstudies.bsky.social · 28/04/2026
Manager pay and pay inequality have increased substantially since the 1980s. Manager pay reflect that managers increase the firm’s productivity which in turn affects market power. New paper by Eeckhout, Bao, and De Loecker www.restud.com/manager-pay-... #REStud #EconSky
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Theoretical Economics @econtheory.bsky.social · 27/04/2026
In auctions for income-generating assets such as intellectual property licenses, the revenue-maximizing mechanism combines upfront payments and royalties: higher bidders pay more upfront and face lower royalty caps www.econometricsociety.org/publications...
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Radley Balko @radleybalko.bsky.social · 13/04/2026
THE DALAI LAMA IS WEAK ON MONETARY POLICY.
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Mina Kimes @minakimes.bsky.social · 10/04/2026
I can't stop laughing at this post. It's perfect.
A guy asking ChatGPT to review a series of fart sound effects and getting a serious kiss ass response that calls it atmospheric
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George Conway ⚖️🇺🇸 @gtconway.bsky.social · 04/04/2026
This is absolutely fantastic. ht: @maddenifico.bsky.social
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Man in Business Suit Levitating @dfeldman.org · 06/04/2026
As I’ve said a million times, I’m not particularly against smart uses of AI This is the stupidest use I’ve seen yet though
recent Axios story on maternal health policy referenced
"findings" that a majority of people trusted their doctors and nurses. On the surface, there's nothing unusual about that. What wasn't originally mentioned, however, was that these findings were made up.
Clicking through the links revealed (as did a subsequent editor's note and clarification by Axios) that the public opinion poll was a computer simulation run by the artificial intelligence start-up Aaru. No people were involved in the creation of these opinions.
The practice Aaru used is called silicon sampling, and it's suddenly everywhere. The idea behind silicon sampling is simple and tantalizing. Because large language models can generate responses that emulate human answers, polling companies see an opportunity to use A.I. agents to simulate survey responses at a small fraction of the cost and time required for traditional polling.
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Al Roth @alroth.bsky.social · 06/04/2026
Some of my Boston/Cambridge friends asked how to get tickets now because they're afraid it will sell out (the price is right), and others because they're afraid that if they don't come Ray and I will be speaking to an empty hall... #econsky #academicsky marketdesigner.blogspot.com/2026/04/mora...
marketdesigner.blogspot.com
Moral Economics: Al Roth and Ray Fisman at Cambridge Public Library, Monday May 11
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