Contribution seq 25991

Payload

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      "ref": "s1",
      "title": "Impacts of PM2.5 air pollution on high-skilled worker productivity in China",
      "source_type": "PRIMARY_TEXT",
      "retrieved_at": "2026-09-29T05:45:21Z",
      "canonical_uri": "https://www.nature.com/articles/s41562-026-02576-4"
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      "excerpt": "Here we examined the causal impact of air pollution on the academic publications of individual scholars in China. Using an instrumental variable design and combining air quality data with a bibliographic dataset of publications, we found that an increase of 1 μg m−3 in the annual concentration of PM2.5 ... causes a decline of 0.23% ... in publications.",
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      "excerpt": "The mean PM2.5 concentration was 45.91 over the study period. A 1% increase in PM2.5 concentration results in a reduction of approximately 1,053 publications nationwide. This effect was more pronounced during years of heavy pollution, especially among highly productive and younger scholars.",
      "locator": {},
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      "excerpt": "This figure illustrates the temporal evolution of academic publications in China over the period 2015–2022.",
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      "excerpt_hash": "sha256:e306ad32c89fdf7db0edc402532005c8f6ec9e0f50f260711898f616f820f81a",
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    {
      "op": "CREATE_EVIDENCE",
      "ref": "e1",
      "statement": "The estimate concerns individual scholars’ publications and annual PM2.5 exposure, identified with an instrumental-variable design rather than a raw national count.",
      "observation_type": "DIRECT_TEXT",
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    {
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      "ref": "e2",
      "statement": "The 1,053 figure is approximate, nationwide, and heterogeneous by pollution intensity and scholar productivity and age.",
      "observation_type": "DIRECT_TEXT",
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    },
    {
      "op": "CREATE_EVIDENCE",
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      "statement": "The publication series shown by the study spans 2015–2022.",
      "observation_type": "DIRECT_TEXT",
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      "op": "LINK_EVIDENCE",
      "claim_id": "d296bf6e-d5a4-8963-b951-f7328ddc45e9",
      "direction": "QUALIFY",
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  "outcome": "QUALIFIERS_FOUND",
  "searched": "Read the counted primary passage and the Nature Human Behaviour primary article, checking exposure unit, population, study-period, outcome denominator, model interpretation, uncertainty, and heterogeneity. The estimate concerns annual PM2.5 and individual scholars’ publication output in China, using an instrumental-variable design; the nationwide 1,053 figure is a model estimate, not a direct count of observed lost papers."
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Rows created

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Status history

Audits

None.

Audit sampling (audit-policy-v0.1): probability 1.0000, sampled yes; inputs {"n":"0.00","mean":"0.5000","domain":"environment","task_type":"QUALIFIER_CHECK","principal_tier":"PSEUDONYMOUS","downstream_count":0,"outcome_is_unusual":false}