Claim LD02-HQ-C04 (v1.0)
By June 2026, US workers aged 22–25 in highly AI-exposed occupations were about 19% below the employment path of similarly aged workers in less-exposed occupations, with the divergence driven mainly by reduced hiring rather than separations.
Provenance and status
- Claim type
- ESTIMATE (DESCRIPTIVE) (as printed: “ESTIMATE (DESCRIPTIVE)”)
- Publication status
- ELIGIBLE (DESCRIPTIVE, NON_CAUSAL) (as printed: “ELIGIBLE WITH DESCRIPTIVE / NON-CAUSAL QUALIFIER”)
- Verification state
- CONTENT_VERIFIED_PRIMARY (as printed: “CONTENT VERIFIED”; verified by: UNKNOWN)
- Does not license
- Causal claim that AI reduced young employment by 19%; economy-wide displacement
- Source (field 6, as printed)
- Brynjolfsson, Chandar & Chen, “Canaries in the Coal Mine?”, Stanford Digital Economy Lab, revised 12 August 2026
- Source type (field 7)
- WORKING_PAPER (as printed: “Academic working paper / payroll-data study”)
- Institutional position
- Independent academic with ADP data partnership
- Maturity (claim evidence / publication maturity)
- CONTESTED, RAPIDLY_MATURING (as printed: “CONTESTED / RAPIDLY MATURING”)
- Recorded date
- 2026-09-25
- Currentness / correction
- This is the current version. No correction or concern relation is recorded on its Sources.
Version
Pinned version v1.0 (entry LD02-HQ-C04--v1.0) — this page never floats to newer evidence.
This pinned version is also the current version.
Pinned Sources (field 6, version-specific)
- “Brynjolfsson, Chandar & Chen, “Canaries in the Coal Mine?”, Stanford Digital Economy Lab, revised 12 August 2026” → SRC-LD02-BRYNJOLFSSON-CHANDAR-CHEN-2026--v1.0 — Brynjolfsson, Chandar & Chen, “Canaries in the Coal Mine?”, Stanford Digital Economy Lab, revised 12 August 2026; class WORKING_PAPER (explicit public provenance pin)
Read the originals
- SRC-LD02-BRYNJOLFSSON-CHANDAR-CHEN-2026: open the original
All 25 canonical Claim fields (raw values and normalized values)
| # | Canonical field | Canonical value (verbatim) | Normalized (Claim Value Vocabulary v1.0.2) |
|---|---|---|---|
| 1 | CLAIM ID | LD02-HQ-C04 | — |
| 2 | PUBLIC-FACING CLAIM | By June 2026, US workers aged 22–25 in highly AI-exposed occupations were about 19% below the employment path of similarly aged workers in less-exposed occupations, with the divergence driven mainly by reduced hiring rather than separations. | — |
| 3 | CLAIM TYPE | ESTIMATE (DESCRIPTIVE) | base_types: ESTIMATE · qualifiers: DESCRIPTIVE |
| 4 | RESEARCH STRAND | D — Hiring, entry and career ladders | — |
| 5 | MATURITY | CONTESTED / RAPIDLY MATURING | states: CONTESTED, RAPIDLY_MATURING |
| 6 | SOURCE | Brynjolfsson, Chandar & Chen, “Canaries in the Coal Mine?”, Stanford Digital Economy Lab, revised 12 August 2026 | source_ids: SRC-LD02-BRYNJOLFSSON-CHANDAR-CHEN-2026 |
| 7 | SOURCE TYPE | Academic working paper / payroll-data study | classes: WORKING_PAPER |
| 8 | INSTITUTIONAL POSITION | Independent academic with ADP data partnership | — |
| 9 | SCOPE | US full-time workers; ages 22–25; data through June 2026 | — |
| 10 | DESIGN | Observational payroll analysis using occupational exposure measures | — |
| 11 | SAMPLE / DATASET | ADP payroll records covering millions of workers | — |
| 12 | MODEL / TOOL / VERSION | Occupational AI exposure measures; Anthropic use index for automation/augmentation analyses | — |
| 13 | COMPARATOR | Same-age workers in less-exposed occupations; older workers | — |
| 14 | MAIN RESULT | About 19% employment-path gap; reduced hiring is the dominant margin; experienced workers show no comparable gap | — |
| 15 | INFERENTIAL TARGET | Descriptive early-career divergence in exposed work | — |
| 16 | DOES NOT LICENSE | Causal claim that AI reduced young employment by 19%; economy-wide displacement | — |
| 17 | VERIFICATION STATE | CONTENT VERIFIED | state: CONTENT_VERIFIED_PRIMARY · verified_by: UNKNOWN |
| 18 | LIMITATIONS | Exposure not use; education controls attenuate; some pre-trends; ADP stronger than national-survey benchmarks; specification sensitivity | — |
| 19 | CONTRADICTORY / SUPPORTING SOURCES | Supported directionally by Tucker/UK; Norway provides strong counterevidence | — |
| 20 | GEOGRAPHY / LANGUAGE | US / English | — |
| 21 | DISTRIBUTIONAL LEDGER | Young workers most affected; experienced workers stable; exposure differs by education/gender | — |
| 22 | R01 / FIELD-MAP LINKS | D2, D4b, L-A, L-B, R-1 | — |
| 23 | WHAT WOULD CHANGE THIS CLAIM? | Gap disappears under revised controls/data or converges in later payroll vintages | — |
| 24 | PUBLICATION STATUS | ELIGIBLE WITH DESCRIPTIVE / NON-CAUSAL QUALIFIER | state: ELIGIBLE · qualifiers: DESCRIPTIVE, NON_CAUSAL |
| 25 | RECORDED DATE | 2026-09-25 | — |
Field 22 references resolved against Field Map v0.2: D2 (DOMAIN); D4b (SUB_AREA); L-A (LENS); L-B (LENS); R-1 (LENS)
Cited by Living Debate versions
Research-of-record provenance
Materialized by sociolens-materializer 0.6.0 at 2026-09-28T20:00:00.000Z; normalization contract SocioLens — Claim Value Vocabulary v1.0.2 — Pre-Spike Materialization Contract (v1.0.2). Content seal SHA-256 67527fd6e8cfee2389653ba0565ac6bf90f4adf6fd8d8ee243eb0e495cdab872.
Frozen Drive-derived inputs
- R05 — LD-02 Canonical Claim Ledger v1.0 — LOCKED (v1.0) — Drive ID
1y7Iid5SaEnjKaPZ7ZsSSVj8dASVlSF8b; revision: NOT_EXPOSED_BY_DRIVE_TEXT_EXPORT; Drive modified ; block “ENTRY 04 — LD02-HQ-C04” SHA-256b5c0e6a1487d0ca9de9336aa91b7fefb087d5b970eca0366f4d84f3e09980801; SocioLens — Programme Status & Authority Register v0.6 status “CURRENT.”; frozen fixturefixtures/frozen/r05-ld02-claim-ledger-v1.0-canonical.
Builder decisions (not Drive data)
- VERSION = v1.0 — basis: Claim version taken from the locked R05 canonical ledger v1.0; HQ-ESC-sociolens-ld02-t6-20261011T133040Z-01 ruling 1 authorizes completion of its existing canonical claim corpus. This is the first materialized version of this logical Claim, not a research update.
- CURRENT_POINTER = true — basis: SocioLens — Programme Status & Authority Register v0.6 status for "R05 — LD-02 Canonical Claim Ledger v1.0 — LOCKED": "CURRENT."
- FIELD_6_SOURCE_REFERENCE = SRC-LD02-BRYNJOLFSSON-CHANDAR-CHEN-2026--v1.0 — basis: field 6 of ENTRY 04 — LD02-HQ-C04 cites "Brynjolfsson, Chandar & Chen, “Canaries in the Coal Mine?”, Stanford Digital Economy Lab, revised 12 August 2026"; HQ-ESC-sociolens-ld02-t6-20261011T133040Z-01 ruling 5: this exact frozen field-6 citation segment selects SRC-LD02-BRYNJOLFSSON-CHANDAR-CHEN-2026--v1.0 under ruling 4; identity established by B2 lines 30–67 and the pinned R05 ledger fields 6/7/8.
- SOURCE_PROVENANCE_PIN = SRC-LD02-BRYNJOLFSSON-CHANDAR-CHEN-2026--v1.0 — basis: HQ-ESC-sociolens-ld02-t6-20261011T133040Z-01 ruling 5 / Publication System Amendment v1.2 §§4,6: explicit version-pinned public provenance selection of SRC-LD02-BRYNJOLFSSON-CHANDAR-CHEN-2026--v1.0 for LD02-HQ-C04--v1.0. Preserve the canonical qualification and independently authorized Source metadata.