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Benzell et al., “Robots Are Us: Some Economics of Human Replacement” (2015-02) bears on M05. The model splits output into an automatable good produced by capital and code and a non-automatable service ('prayer') produced only by labour; the introduction (pdf p. 3) says it is 'hard to think of hitherto human tasks that smart machines can't already or won't soon do'. Copy claim link
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Supporting evidence: primary · 1 source
Date 2015-02 · publication Wording attested 2018-10. Revision date on the cover of the retrieved PDF; the February 2015 wording was not retrieved. Role Context Register (kind of text) Nonfiction Missing element The model keeps a non-automatable labour-only sector, so machines do not perform all tasks; new tasks are not modelled. Tier Tier 1. NBER working paper (core venue). Conditions Corn produced with capital and code; prayer produced with high- and low-tech labour only. Scope and limits NBER Working Paper 20941, February 2015, revised October 2018; quoted wording is from the 2018 revision and may not match the 2015 version. Two-good, two-period OLG simulation model, not a forecast. The introduction's remark is rhetoric; the model itself keeps a labour-only sector.
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Robots Are Us: Some Economics of Human Replacement ↗ NBER Working Paper 20941 · 2015-02
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Source excerpt “Prayer and corn are stand-ins for automatable and non-automatable products, and are rough analogues to mass-produced goods and interpersonal or artisinal services.” Location in source pdf page 8; Section 3, The Model (printed p. 6)
Machine-checked · 2026-10-14
Source details and check notes Authors Seth G. Benzell; Laurence J. Kotlikoff; Guillermo LaGarda; Jeffrey D. Sachs Version Full text (revised version). Current copy retrieved directly on 2026-10-09; no archive capture (Wayback unreachable), so earlier bytes are not authenticated. SHA-256 362172ebc8a725bfe76675a836f565736278dc12c86db96b5e67944451b0ae60. The February 2015 wording was not retrieved; the retrieved PDF is the October 2018 revision. Benzell, S. G., Kotlikoff, L. J., LaGarda, G., & Sachs, J. D. (2015). Robots are us: Some economics of human replacement (NBER Working Paper No. 20941; February 2015 version). National Bureau of Economic Research. https://doi.org/10.3386/w20941 Canonical address Open the canonical source ↗ Accessed 2026-10-09 Language English (en) Attribution Seth G. Benzell, Laurence J. Kotlikoff, Guillermo LaGarda, Jeffrey D. Sachs, “Robots Are Us: Some Economics of Human Replacement”, NBER Working Paper 20941, 2015-02. Reuse No open redistribution licence asserted. Bibliographic metadata, editorial paraphrases and short attributed quotations (at most 50 words each). Recheck terms before wider redistribution. Check notes Candidate pack passage M05-30 (research/economics-mainstream). The quotation (22 words) matched the retrieved current copy (SHA-256 362172ebc8a725bfe76675a836f565736278dc12c86db96b5e67944451b0ae60) in the pack's verification. Re-checked at admission on 2026-10-14 against a copy retrieved that day. Status and meaning Editorial status. Not reviewed by an editor . An exploratory record that no editor has accepted. This status does not say whether a person has read any linked passage. Each evidence record above shows how it was checked.
Relation. A passage of the document bears on the proposition without meeting its criterion; the record names the missing element. It is not an articulation and implies no influence.
Date. Cover "February 2015, Revised October 2018". The retrieved PDF is the October 2018 revision, so its wording is attested from 2018-10 only. Checked in a current copy; an archive capture was not available, so earlier bytes are not authenticated.
Record ID ec-m05-benzell-et-al-2015-robots-are-us-b