LessWrong (30+ Karma)

“Sublinear Utility in Population and other Uncommon Utilitarianism” by Alice Blair


Listen Later

Content warning: Anthropics, Moral Philosophy, and Shrimp

This post isn't trying to be self contained, since I have so many disparate thoughts about this. Instead, I'm trying to put a representative set of ideas forward, and I hope that if people are interested we can discuss this more in the comments. I also plan to turn this into a (probably small) sequence at some point.

I've had a number of conversations about moral philosophy where I make some claim like

Utility is bounded and asymptotically sublinear in number of human lives, but superlinear or ~linear in the ranges we will ever have to care about.

Common reactions to this include:

  • "Wait, what?"
  • "Why would that be the case?"
  • "This doesn't make any sense relative to my existing conceptions of classical utilitarianism, what is going on here?"

So I have gotten the impression that this is a decently [...]

---

Outline:

(02:11) Aside: Utilitarianism

(02:28) The More Mathy Pointer

(03:15) Duplicate Simulations

(05:50) Slightly Different Simulations

(07:31) Utility Variation with Population

(07:51) More is Better

(08:06) In Some Domains, More is Superlinearly Better

(08:41) But Value Space is Limited

(09:21) What About The Other Animals?

(10:55) What Does this Mean About Classical EA?

(11:58) Other Curiosities

The original text contained 3 footnotes which were omitted from this narration.

---

First published:

October 13th, 2025

Source:

https://www.lesswrong.com/posts/NRxn6R2tesRzzTBKG/sublinear-utility-in-population-and-other-uncommon

---

Narrated by TYPE III AUDIO.

---

Images from the article:

Apple Podcasts and Spotify do not show images in the episode description. Try Pocket Casts, or another podcast app.

...more
View all episodesView all episodes
Download on the App Store

LessWrong (30+ Karma)By LessWrong


More shows like LessWrong (30+ Karma)

View all
Making Sense with Sam Harris by Sam Harris

Making Sense with Sam Harris

26,369 Listeners

Conversations with Tyler by Mercatus Center at George Mason University

Conversations with Tyler

2,427 Listeners

The Peter Attia Drive by Peter Attia, MD

The Peter Attia Drive

8,170 Listeners

Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas by Sean Carroll | Wondery

Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas

4,159 Listeners

ManifoldOne by Steve Hsu

ManifoldOne

92 Listeners

Your Undivided Attention by The Center for Humane Technology, Tristan Harris, Daniel Barcay and Aza Raskin

Your Undivided Attention

1,556 Listeners

All-In with Chamath, Jason, Sacks & Friedberg by All-In Podcast, LLC

All-In with Chamath, Jason, Sacks & Friedberg

9,822 Listeners

Machine Learning Street Talk (MLST) by Machine Learning Street Talk (MLST)

Machine Learning Street Talk (MLST)

87 Listeners

Dwarkesh Podcast by Dwarkesh Patel

Dwarkesh Podcast

480 Listeners

Hard Fork by The New York Times

Hard Fork

5,482 Listeners

The Ezra Klein Show by New York Times Opinion

The Ezra Klein Show

16,151 Listeners

Moonshots with Peter Diamandis by PHD Ventures

Moonshots with Peter Diamandis

531 Listeners

No Priors: Artificial Intelligence | Technology | Startups by Conviction

No Priors: Artificial Intelligence | Technology | Startups

133 Listeners

Latent Space: The AI Engineer Podcast by swyx + Alessio

Latent Space: The AI Engineer Podcast

96 Listeners

BG2Pod with Brad Gerstner and Bill Gurley by BG2Pod

BG2Pod with Brad Gerstner and Bill Gurley

509 Listeners