“Sublinear Utility in Population and other Uncommon Utilitarianism” by Alice Blair
Description
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 [...]
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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.
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First published:
October 13th, 2025
Source:
https://www.lesswrong.com/posts/NRxn6R2tesRzzTBKG/sublinear-utility-in-population-and-other-uncommon
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Narrated by TYPE III AUDIO.
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