{
  "vercy": "1.0-draft",
  "publication": {
    "status": "research-draft",
    "adjudicationStatus": "unreviewed",
    "publishableCanonical": false,
    "generatedAt": "2026-09-14T00:54:02Z",
    "providers": [
      "Claude"
    ],
    "breadth": "written by Claude from model knowledge without web access - no source was read, every claim is a lead to verify",
    "pass": 2,
    "wave": 4,
    "engine": "claude",
    "enrichment": {
      "pass": 3,
      "engine": "claude",
      "producedAt": "2026-10-06T12:00:00Z",
      "ingestedAt": "2026-10-06T07:45:05+00:00",
      "fields": [
        "agent_conduct",
        "ethics",
        "owners"
      ]
    },
    "gate": {
      "passed": true,
      "version": "1.0",
      "at": "2026-10-08T19:09:56+00:00",
      "evidence": [
        "completeness 1.00",
        "sense: Wikidata description",
        "2 live sources",
        "review by codex: pass"
      ]
    }
  },
  "metaModel": {
    "id": "THING-Q8187769",
    "registryId": "vr.tr.economic-activity",
    "name": "economic activity",
    "version": "0.2.0-wave.4",
    "entryKind": "thing",
    "family": "Thing Registry",
    "domain": [
      "ACT.ACT"
    ],
    "status": "research-draft"
  },
  "canonicalUrl": "https://ver.cy/models/thing/q8187769/",
  "model": {
    "registry_id": "vr.tr.economic-activity",
    "name": "economic activity",
    "purpose": "Let an agent explain economic activity, relay classification systems, measurement and debates from statistical and economics sources with estimates attributed, and distinguish economic activity from economic sectors as groupings, labour force participation, unpaid household work and the informal economy.",
    "definition": "Any activity involving the production, distribution, exchange or consumption of goods and services, carried out by businesses, governments, households and non-profit institutions, classified for statistics by systems such as the UN International Standard Industrial Classification of All Economic Activities, ISIC, the EU NACE and the North American Industry Classification System, and measured in national accounts through output, value added and employment; economic activity is often contrasted with non-market work such as unpaid care, whose inclusion in measures of the economy is debated, and the informal economy, which is hard to measure, with positions and estimates attributed.",
    "what_it_is_for": "Describing and measuring what economies do.",
    "affordances": [
      "explain the concept",
      "relay classification systems",
      "relay measurement",
      "present debates with attribution"
    ],
    "distinguishing_features": [
      "Market and non-market activity",
      "Standard classifications",
      "Measured in national accounts",
      "Boundary debates"
    ],
    "appearance": "Not a physical object; recorded in statistics and business registers.",
    "visual_identification": [
      "Production, distribution and consumption activity",
      "Economic activity",
      "Sectors group activities; labour force participation measures people; unpaid household work is outside GDP; the informal economy is unregistered"
    ],
    "physical_properties": [
      {
        "quantity": "ISIC Revision 5",
        "typical_range": "2023",
        "unit": "year",
        "note": "adopted by the UN Statistical Commission, check current"
      },
      {
        "quantity": "NACE Rev. 2.1",
        "typical_range": "2023",
        "unit": "year",
        "note": "EU, check implementation"
      },
      {
        "quantity": "System of National Accounts",
        "typical_range": "2008",
        "unit": "year",
        "note": "SNA 2025 update, check current"
      }
    ],
    "families_and_kinds": [
      "primary activities",
      "secondary activities",
      "tertiary activities",
      "informal activities"
    ],
    "related_models": [
      {
        "relation": "is a kind of",
        "target": "intentional human activity",
        "why": "in registry terms"
      },
      {
        "relation": "is classified by",
        "target": "International Standard Industrial Classification",
        "why": ""
      },
      {
        "relation": "is measured in",
        "target": "national accounts",
        "why": ""
      },
      {
        "relation": "is contrasted with",
        "target": "unpaid care work",
        "why": ""
      }
    ],
    "identifiers": [],
    "standards_and_regulation": [
      "ISIC",
      "NACE",
      "NAICS",
      "System of National Accounts"
    ],
    "failure_modes_and_hazards": [
      "Stale classification versions",
      "Ignoring unpaid and informal work",
      "Partisan use of statistics"
    ],
    "in_scope": [],
    "out_of_scope": [],
    "characteristics": [],
    "agent_conduct": {
      "may": [
        "Explain economic activity and classification systems such as industry codes.",
        "Report statistics with the classification version and source."
      ],
      "must_not": [
        "Use stale classification versions without saying so.",
        "Ignore unpaid and informal work when describing economic activity.",
        "Use statistics selectively to support a partisan claim."
      ],
      "requires_human": [
        "Publishing economic data that informs policy."
      ]
    },
    "ethics": {
      "considerations": [
        "Leaving out unpaid care work hides a large share of work done, mostly by women."
      ],
      "affected_parties": [
        "Workers",
        "Unpaid carers"
      ]
    },
    "owners": {
      "steward": "Nobody owns the concept; statistical agencies classify it.",
      "master_systems": []
    }
  },
  "sources": [
    {
      "id": "wikidata",
      "title": "Wikidata item Q8187769: economic activity",
      "url": "https://www.wikidata.org/wiki/Q8187769",
      "url_status": "live",
      "what_it_supports": "identity and sense of the item",
      "checked_by": "wikidata-api"
    },
    {
      "id": "wikipedia-fr",
      "title": "Wikipedia (fr): Activité économique",
      "url": "https://fr.wikipedia.org/wiki/Activit%C3%A9_%C3%A9conomique",
      "url_status": "live",
      "checked_by": "wikidata-api sitelink",
      "what_it_supports": "general description of the item"
    }
  ],
  "structure": {
    "bundles": [
      {
        "id": "understand",
        "name": "Understand",
        "description": "What economic activity is.",
        "rationale": "Attribution.",
        "layers": [
          {
            "id": "definition",
            "name": "Definition",
            "description": "Definition.",
            "findings": [
              {
                "id": "definition-finding",
                "name": "Definition",
                "description": "Definition.",
                "questions": [
                  {
                    "text": "What is economic activity, and how does it differ from sectors, labour force participation, unpaid household work and the informal economy?",
                    "kind": "definition"
                  },
                  {
                    "text": "Is the question about classifying a business for registration, which needs current official codes?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          },
          {
            "id": "sectors",
            "name": "Sectors",
            "description": "Sectors.",
            "findings": [
              {
                "id": "sectors-finding",
                "name": "Sectors",
                "description": "Sectors.",
                "questions": [
                  {
                    "text": "How are activities grouped into primary, secondary and tertiary sectors?",
                    "kind": "definition"
                  },
                  {
                    "text": "Which entry fits economic sector?",
                    "kind": "action"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "classification",
        "name": "Classification",
        "description": "Classification.",
        "rationale": "Regulation.",
        "layers": [
          {
            "id": "isic",
            "name": "ISIC",
            "description": "ISIC and NACE.",
            "findings": [
              {
                "id": "isic-finding",
                "name": "ISIC",
                "description": "ISIC.",
                "questions": [
                  {
                    "text": "How do ISIC, NACE and NAICS classify activities?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which references are standard?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          },
          {
            "id": "coding",
            "name": "Coding",
            "description": "Business coding.",
            "findings": [
              {
                "id": "coding-finding",
                "name": "Coding",
                "description": "Coding.",
                "questions": [
                  {
                    "text": "How are businesses assigned activity codes in registers?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which sources are cited?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "measurement",
        "name": "Measurement",
        "description": "Measurement.",
        "rationale": "Attribution.",
        "layers": [
          {
            "id": "accounts",
            "name": "National accounts",
            "description": "National accounts.",
            "findings": [
              {
                "id": "accounts-finding",
                "name": "National accounts",
                "description": "National accounts.",
                "questions": [
                  {
                    "text": "How do national accounts measure output and value added?",
                    "kind": "measurement"
                  },
                  {
                    "text": "Which entry fits System of National Accounts?",
                    "kind": "action"
                  }
                ]
              }
            ]
          },
          {
            "id": "unpaid",
            "name": "Unpaid work",
            "description": "Unpaid work debate.",
            "findings": [
              {
                "id": "unpaid-finding",
                "name": "Unpaid work",
                "description": "Unpaid work.",
                "questions": [
                  {
                    "text": "What do feminist economists, statisticians and others argue about counting unpaid care, with positions attributed?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Is the presentation neutral and attributed?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "context",
        "name": "Context",
        "description": "Informal economy.",
        "rationale": "Attribution.",
        "layers": [
          {
            "id": "informal",
            "name": "Informal",
            "description": "Informal economy.",
            "findings": [
              {
                "id": "informal-finding",
                "name": "Informal",
                "description": "Informal.",
                "questions": [
                  {
                    "text": "What do the ILO and researchers estimate about informal employment, with figures attributed?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Is the information current?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          },
          {
            "id": "indicators",
            "name": "Indicators",
            "description": "Activity indicators.",
            "findings": [
              {
                "id": "indicators-finding",
                "name": "Indicators",
                "description": "Indicators.",
                "questions": [
                  {
                    "text": "What indicators such as PMI track economic activity?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which entry fits purchasing managers index?",
                    "kind": "action"
                  }
                ]
              }
            ]
          }
        ]
      }
    ]
  },
  "openQuestions": [
    "Should classification systems be linked by version?",
    "How should unpaid work debates be presented?",
    "Should the informal economy be linked?"
  ],
  "statistics": {
    "bundles": 4,
    "layers": 8,
    "findings": 8,
    "questions": 16
  }
}