Is Extinction Risk Mitigation Uniquely Cost-Effective? Not in Standard Population Models

Published on August 24, 2026 4:19 PM GMTThis is a linkpost for Is Extinction Risk Mitigation Uniquely Cost-Effective? Not in Standard Population Models by Gustav Alexandrie and Maya Eden, which was published on 18 August 2025 as chapter 20 of the book Essays on Longtermism: Present Action for the Distant Future. I got Claude Opus 5 to write the summary and 2 objections below after some iteration. The objections came from me. Gustav said the summary "looks correct from very quickly skimming it, t...