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Eric Posner

@ericposner.bsky.social

Law professor

1,022 Followers  |  217 Following  |  47 Posts  |  Joined: 21.11.2023  |  1.7596

Latest posts by ericposner.bsky.social on Bluesky

The Silicon Valley No-Poach Conspiracy <div> The Silicon Valley no-poach conspiracy is the most important cartel noΒ <span>one has heard of. It is rarely discussed in the cartel literature and i

New paper: The Silicon Valley No-Poach Conspiracy
papers.ssrn.com/sol3/papers....

08.05.2025 19:28 β€” πŸ‘ 1    πŸ” 1    πŸ’¬ 0    πŸ“Œ 1
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AI Judges Follow The Law, Human Judges Follow Their Hearts, Study Reveals AI follows law, but humans follow hearts. Study shows judges are swayed by sympathetic defendants, while AI judges consistently apply legal rules.

Forbes features research from Prof. @ericposner.bsky.social and researcher Shivam Saran that compares AI and human judicial decisions.

24.03.2025 15:27 β€” πŸ‘ 2    πŸ” 3    πŸ’¬ 0    πŸ“Œ 0
Opinion | A provocative experiment pits AI against federal judges An experiment involving AI and federal judges reveals the humane element in justice.

Prof. @ericposner.bsky.social and researcher Shivam Saran’s paper comparing the performance of federal judges against GPT is featured in @washingtonpost.com.

17.03.2025 15:27 β€” πŸ‘ 3    πŸ” 2    πŸ’¬ 0    πŸ“Œ 1
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Opinion | A provocative experiment pits AI against federal judges An experiment involving AI and federal judges reveals the humane element in justice.

www.washingtonpost.com/opinions/202...

17.03.2025 12:56 β€” πŸ‘ 2    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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Antitrust from Trump to Biden to Trump - ProMarket The new Trump administration’s antitrust leaders are unexpectedly maintaining the Biden administration’s enforcement priorities, including the 2023 Merger Guidelines. Eric Posner explains why this bip...

www.promarket.org/2025/03/11/a...

12.03.2025 00:24 β€” πŸ‘ 2    πŸ” 1    πŸ’¬ 0    πŸ“Œ 0

I meant economic stagnation, maybe some social and political chaos, ruined reputations, low public morale

25.02.2025 23:48 β€” πŸ‘ 1    πŸ” 0    πŸ’¬ 1    πŸ“Œ 0
Trump FTC Launching Task Force Focused On Corporate Labor Harms The Federal Trade Commission is creating a task force to investigate corporate behavior that harms workers in ways that violate antitrust and consumer protection laws, Chairman Andrew Ferguson said Mo...

Labor antitrust survives!
news.bloomberglaw.com/antitrust/tr...

25.02.2025 23:46 β€” πŸ‘ 3    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0

I think the Republic survives but the country will be wounded

22.02.2025 21:51 β€” πŸ‘ 1    πŸ” 0    πŸ’¬ 1    πŸ“Œ 0

Claude.AI discusses ChatGPT's stint as judge on (fictional) international court
clsbluesky.law.columbia.edu/2025/02/19/t...

20.02.2025 15:06 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 1    πŸ“Œ 0

Sounds like L. must have read "Executive Unbound"

07.02.2025 21:26 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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Inflation’s lasting pressure: A hotel worker’s story shows the struggle Inflation has come way down since June 2022. But the issue might have decided the recent election. Here’s one story, from a Boston hotel worker, of how its effects still weigh on Americans.

www.csmonitor.com/Business/202...

03.02.2025 17:41 β€” πŸ‘ 1    πŸ” 2    πŸ’¬ 0    πŸ“Œ 0

Update:
bsky.app/profile/mark...

03.02.2025 16:57 β€” πŸ‘ 25    πŸ” 7    πŸ’¬ 2    πŸ“Œ 1
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Power Moves: Professor Eric Posner on Presidential Authority Donald Trump swept into office this week with a deluge of executive actions aimed at reshaping the federal government in his image. The bounds of presidential power have evolved over the country’s…

Prof. @ericposner.bsky.social discusses presidential authority on the Takeout Podcast.

30.01.2025 15:19 β€” πŸ‘ 4    πŸ” 2    πŸ’¬ 0    πŸ“Œ 0
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Today is a big day for US tax policy - it’s the first time you can start your tax return using information the IRS already has about you: directfile.irs.gov This is government efficiency in action

27.01.2025 22:18 β€” πŸ‘ 12    πŸ” 5    πŸ’¬ 2    πŸ“Œ 0
<i>Moody v. NetChoice</i> - The Supreme Court Meets the Free Speech Triangle <div> <i>Moody v. NetChoice</i> is the Supreme Court's first attempt at applying the First Amendment to social media content regulation. Private infrastructure

The Supreme Court Meets the Free Speech Triangle.

My latest article discusses Moody v. NetChoice. It's now available on SSRN.

papers.ssrn.com/sol3/papers....

20.01.2025 14:35 β€” πŸ‘ 12    πŸ” 2    πŸ’¬ 1    πŸ“Œ 0
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Opinion | Can Trump Be a Great President? Pushing power to the limit does not guarantee presidential success.


My take on Trump 2.0 at its outset. Plenty in here for everyone to dislike. www.nytimes.com/2025/01/20/o...

20.01.2025 12:32 β€” πŸ‘ 9    πŸ” 4    πŸ’¬ 2    πŸ“Œ 1
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What Happened to International Law? | by Eric Posner - Project Syndicate Eric Posner sees the web of treaties, conventions, and institutions as another victim of the anti-globalization backlash.

β€œThe ruins of international law are all around us”, writes @ericposner.bsky.social on @projectsyndicate.bsky.social. Maybe. But it ignores the progress in some fields and the fact that β€˜ruins’ in the past tended to lead to stronger laws: 1918, 1945, 1994,… www.project-syndicate.org/commentary/i...

19.01.2025 07:30 β€” πŸ‘ 3    πŸ” 3    πŸ’¬ 0    πŸ“Œ 0
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What Happened to International Law? | by Eric Posner - Project Syndicate Eric Posner sees the web of treaties, conventions, and institutions as another victim of the anti-globalization backlash.

www.project-syndicate.org/commentary/i...

16.01.2025 15:34 β€” πŸ‘ 6    πŸ” 3    πŸ’¬ 0    πŸ“Œ 1
<p>Judge AI: Assessing Large Language Models in Judicial Decision-Making</p> <p><span>Abstract. Can large language models (LLMs) replace human judges? By replicating a prior 2 x 2 factorial experiment conducted on 31 U.S. federal judges,


Can Judge AI decide legal cases?
papers.ssrn.com/sol3/papers....

15.01.2025 21:41 β€” πŸ‘ 2    πŸ” 1    πŸ’¬ 0    πŸ“Œ 0
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We Are Already Defying the Supreme Court - Dissent Magazine The risks of calling on politicians to push back against the court must be weighed against the present reality of a malign judicial dictatorship.

John Roberts is concerned about increasing calls to defy Supreme Court rulings. Actually, though, defiance is already a standard part of our legal system. www.dissentmagazine.org/article/we-a...

03.01.2025 13:51 β€” πŸ‘ 27    πŸ” 13    πŸ’¬ 1    πŸ“Œ 1
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Is Labor Antitrust a "Nonexistent" Problem? - ProMarket In a recent revision of its Premerger Notification Regulation, the FTC removed labor market provisions from the previous draft as Commissioner Melissa Holyoak dismissed them as "a solution in search of a nonexistent problem." Eric Posner argues that her assessment contradicts a substantial body of academic research showing that labor market concentration is indeed a serious concern.

@ericposner.bsky.social recently argued there's incontrovertible evidence supporting more antitrust scrutiny of labor markets & criticized Melissa Holyoak's skepticism of labor-related provisions in the FTC’s proposed HSR rules. But is the evidence really so clear? www.promarket.org/2024/10/24/...

19.12.2024 00:02 β€” πŸ‘ 2    πŸ” 1    πŸ’¬ 1    πŸ“Œ 0

A brief history of the world’s financial enthusiasms in one table

17.12.2024 09:38 β€” πŸ‘ 24    πŸ” 6    πŸ’¬ 1    πŸ“Œ 0
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Mergers are followed by large and persistent increases in lobbying activity, both by individual firms and by industry trade associations, suggesting that firms with market power will also attempt to gain political power.

www.nber.org/papers/w33255

16.12.2024 19:29 β€” πŸ‘ 139    πŸ” 52    πŸ’¬ 3    πŸ“Œ 6
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Why is the US in a housing crisis, and what can be done about it? More people are seeking homes than there are places to buy or rent, which contributes to high prices. Here’s what led to the housing crisis, and some potential solutions.

I wrote another story on housing! This one explains why rent and home prices have shot up, and what can be done about it.

Jerusalem Demsas' new book, "On The Housing Crisis: Land, Development, Democracy" was a big inspiration.

www.csmonitor.com/Business/202...

12.12.2024 16:32 β€” πŸ‘ 5    πŸ” 5    πŸ’¬ 0    πŸ“Œ 0
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There is a common notion in antitrust that greater output benefits workers.

But this paper shows that if firms have market power, this is not always the case. At high levels of markups, firms may REDUCE their (labor) input demand when they become more productive.
www.dropbox.com/s/33hq4dlpfz...

14.12.2024 14:26 β€” πŸ‘ 28    πŸ” 6    πŸ’¬ 1    πŸ“Œ 0

@superwuster.bsky.social @stevesalop.bsky.social @sherman1890.bsky.social The FTC really botched the labor market analysis. The court was sympathetic to their approach and accepted the market definition but complained that it was not supplied with modeling or data, not even HHIs.

11.12.2024 16:00 β€” πŸ‘ 1    πŸ” 0    πŸ’¬ 1    πŸ“Œ 1
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Trump’s Pro-Corporate Populism Cannot Last | by Eric Posner - Project Syndicate Eric Posner thinks the next president will be forced to choose between big business and the forgotten man.

www.project-syndicate.org/commentary/u...

11.12.2024 15:08 β€” πŸ‘ 5    πŸ” 1    πŸ’¬ 0    πŸ“Œ 0
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Albertsons Terminates Merger Agreement Albertsons Companies, Inc. (NYSE: ACI) (the

NEW: Albertsons terminates merger agreement with Kroger -

www.businesswire.com/news/home/20...

11.12.2024 13:50 β€” πŸ‘ 2    πŸ” 3    πŸ’¬ 0    πŸ“Œ 1

Albertsons just admitted that it knew all along that the grocery store divestiture package was a flaming dumpster fireβ€”by suing Kroger for breach of contract.

Kroger "reject[ed] better divestiture buyers" and put together "insufficient divestiture proposals that ignored regulators' concerns"

11.12.2024 14:33 β€” πŸ‘ 3    πŸ” 5    πŸ’¬ 1    πŸ“Œ 0
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The Hawk Tuah Memecoin Rug Pull Is The Apotheosis Of Bag Culture | Defector I can’t ease you into this one, so: Haliey Welch, colloquially known as the β€œHawk Tuah girl,” launched a bespoke cryptocurrency token called HAWK last Wednesday, the same day she told Fortune it was β€œ...

excellent piece. feels like the classic canary in the coal mine vis-a-vis looming financial crisis defector.com/the-hawk-tua...

11.12.2024 14:49 β€” πŸ‘ 252    πŸ” 41    πŸ’¬ 14    πŸ“Œ 6

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