Two Moralities of Law.
papers.ssrn.com/sol3/papers....

New paper: TWO CHEERS FOR WILLINGNESS TO PAY.
papers.ssrn.com/sol3/papers....

The 25th Amendment's Gatekeeper The Vice President Runs the Show (Mostly)

On the 25th Amendment.
casssunstein.substack.com/p/the-25th-a...

How to Interpret the Constitution by Cass R. Sunstein. From New York Times bestselling author Cass Sunstein, a timely and powerful argument for rethinking how the U.S. Constitution is interpreted

In How to Interpret the Constitution, @casssunstein.bsky.social offers a timely and powerful argument for rethinking how the U.S. Constitution is interpreted.

Out now in #paperback.

Explore a free preview: press.princeton.edu/books/paperb...

#History #USHistory

Two Moralities of Law People Miss Them When They're Gone

Two Moralities of Law.
casssunstein.substack.com/p/two-morali...

Laws of Fear: Beyond the Precautionary Principle (The Seeley Lectures, Series Number 6) Laws of Fear: Beyond the Precautionary Principle (The Seeley Lectures, Series Number 6) [Sunstein, Cass R.] on Amazon.com. *FREE* shipping on qualifying offers. Laws of Fear: Beyond the Precautionary Principle (The Seeley Lectures, Series Number 6)

Laws of Fear.
www.amazon.com/Laws-Fear-Pr...

Jessie Buckley - Born To Run (From "Wild Rose") YouTube video by JessieBuckleyVEVO

This is definitely good. #Oscar
www.youtube.com/watch?v=kYFy...

#Unfortunately #MustTryHarder #LifeGoals

Team Scientist @casssunstein.bsky.social's chapter in the 2026 World Happiness Report on social media discusses the puzzling fact that many would pay to eliminate the use of social media platforms—but won't leave as long as their community keeps using them.

www.worldhappiness.report/ed/2026/soci...

Easter secret? I have been working for about two years on a maybe-book, called Democracy's Inner Life (neo-Tocquevillian; on the seven virtues that are essential to democracy). I think the book might work and am about to sign a contract to do it. (Out in late 2027, with luck.)

ETHICAL NUDGING.
papers.ssrn.com/sol3/papers....

New paper: DOES AI HAVE RIGHTS?
papers.ssrn.com/sol3/papers....

Social media use is tied to well-being, according to the new World Happiness Report | CNN Social media isn’t good or bad — the latest World Happiness Report suggests well-being depends on how much you use it, what you do on it and what platforms you’re on.

Social media use and well-being.
www.cnn.com/2026/03/20/h...

A verdict from Claude.AI on my two coming books, one of which is on willingness to pay, one of which is on animal welfare: "Both books are better when Sunstein writes about his dogs than when he doesn't."

The Most Dangerous Branch Podcast Episode · Executive Functions Chat · March 20 · 42m

@jacklgoldsmith.bsky.social and @casssunstein.bsky.social on separation of powers. podcasts.apple.com/us/podcast/e...

Cass R. Sunstein joins Better Food Foundation's board of advisors.

🎉 Exciting news! We're welcoming Cass Sunstein to the Better Food Foundation Board of Advisors! Cass is a University Professor at Harvard Law School, founder of Harvard's Program on Behavioral Economics, and co-author of Nudge — the landmark book that informs our work. Welcome Cass💚

Social media, wasting time, and product traps The World Happiness Report is published by the Wellbeing Research Centre at the University of Oxford, in partnership with Gallup, the UN Sustainable Development Solutions Network and an independent ed...

My chapter in @worldhappiness.report, just out.
www.worldhappiness.report/ed/2026/soci...

Memo to Self.
papers.ssrn.com/sol3/papers....

Sunstein on Liberalism and AI Cass R. Sunstein (Harvard Law School; Harvard University - Harvard Kennedy School (HKS)) has posted Liberal AI on SSRN. Here is the abstract: Can AI be liberal? In what sense? One answer points to the liberal insistence on freedom of choice, understood as a product of the commitment to personal autonomy and individual dignity. Mill and Hayek are of course defining figures here, emphasizing the epistemic foundations for freedom of choice.

Sunstein on Liberalism and AI

Cass R. Sunstein (Harvard Law School; Harvard University - Harvard Kennedy School (HKS)) has posted Liberal AI on SSRN. Here is the abstract: Can AI be liberal? In what sense? One answer points to the liberal insistence on freedom of choice, understood as a product of…

Animals Matter: The Case for a Kinder World Animals Matter: The Case for a Kinder World : Sunstein, Cass R.: Amazon.co.uk: Books

ANIMALS MATTER. Coming next year.
www.amazon.co.uk/Animals-Matt...

How to Interpret the Constitution by Cass R. Sunstein

In How to Interpret the Constitution, New York Times bestselling author @casssunstein.bsky.social makes a timely and powerful argument for rethinking how the U.S. Constitution is interpreted.

Now available in #paperback! Learn more: press.princeton.edu/books/paperb...

#History #USHistory #PoliSci

Legal Theory Bookworm: “Decisions and Social Norms” by Ullmann-Margalit & Sunstein The Legal Theory Bookworm recommends Decisions and Social Norms by by Edna Ullmann-Margalit & Cass R. Sunstein. Here is a description: This pathbreaking book casts new light on how to handle life’s most difficult decisions. Edna Ullmann-Margalit and Cass R. Sunstein examine the role of social norms in creating both stability and instability, while offering an in-depth exploration of why people choose not to choose.

Legal Theory Bookworm: “Decisions and Social Norms” by Ullmann-Margalit & Sunstein

The Legal Theory Bookworm recommends Decisions and Social Norms by by Edna Ullmann-Margalit & Cass R. Sunstein. Here is a description: This pathbreaking book casts new light on how to handle life’s most difficult…

A copy of "Separation of Powers: How to Preserve Liberty in Troubled Times" by Cass Sunstein on a plain background.

"This is a work that we need professional politicians, regardless of their country, to think about and internalise." — @financialtimes.com

In "Separation of Powers," Cass Sunstein explains a balancing act that has puzzled the greatest adepts in political science: mitpress.mit.edu/978026205177...

Coming in the fall (and guaranteed to increase happiness).
www.amazon.co.uk/Price-Happin...

A Canticle for Leibowitz On Unrecognized Truths and Lost Traditions

A Canticle for Leibowitz.
casssunstein.substack.com/p/a-canticle...

⬅️➡️ Out Now: Decisions and Social Norms by Edna Ullmann-Margalit and Cass R. Sunstein (@casssunstein.bsky.social)

Learn more: www.e-elgar.com/shop/isbn/97...

This pathbreaking book casts new light on how to handle life’s most difficult decisions.

Decisions and Social Norms This pathbreaking book casts new light on how to handle life’s most difficult decisions. Edna Ullmann-Margalit and Cass R. Sunstein examine the role of social norms in creating both stability and inst...

Out today! @elgarpublishing.bsky.social
www.e-elgar.com/shop/usd/dec...

The Cost-Benefit State Is Not Flourishing Alas Alas Alas

The Cost-Benefit State Is Not Flourishing (very sad to say).
casssunstein.substack.com/p/the-cost-b...