Economists replicate papers with Claude and Codex: your past errors will be found
paulnovosad · x · 2026-10-26
Brendan Nyhan and colleagues replicated an economics paper using Claude and Codex, publicly flagging possible errors to the journal and authors. Economist Paul Novosad draws the lesson: in the AI era you can no longer believe errors in your past work will stay hidden — the only question is whether you find and report them first, or somebody else does. AI is collapsing the cost of adversarial peer verification.
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