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Dated Source Ledger

skills/market-research-reports/references/sources.md

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Dated Source Ledger

Research cutoff and retrieval date: 2026-07-23.

Sources were located and checked with focused parallel-cli search queries and canonical-page parallel-cli extract calls. Only first-party or primary methodological sources are listed below. Dates are publication, document, or last-revised dates stated by the source; not stated is used rather than guessing.

Corporate filings and U.S. official data

IDAuthoritySource and dateUse
SRC-SEC-ACCESSU.S. SECAccessing EDGAR Data, published 2021-03-23; updated 2024-06-26EDGAR history, corrections, declared user agent, 10 requests/second fair-access limit
SRC-SEC-DEVU.S. SECDeveloper Resources, updated 2025-03-10Submissions and XBRL APIs; fair-access overview
SRC-CENSUS-APIU.S. Census BureauCensus Data API User Guide, dated 2026-05-12; revised 2026-05-14Geography/vintage concepts and API navigation
SRC-CENSUS-LIMITU.S. Census BureauQuery Limits, revised 2026-05-1450 variables/query; key required for data queries
SRC-CENSUS-KEYU.S. Census BureauAPI Key, revised 2026-05-14Current free key-registration guidance
SRC-EC-METHODU.S. Census Bureau2022 Economic Census Methodology, updated 2026-04-10Population, frame, NAICS scope, collection, administrative data, imputation, disclosure avoidance
SRC-NAICSU.S. Census BureauNAICS, revised 2026-07-23Current 2022 structure and 2027 revision process
SRC-BLS-APIU.S. Bureau of Labor StatisticsPublic Data API FAQ, modified 2023-08-30Registration, daily/rate/series/year limits, metadata behavior
SRC-BEA-APIU.S. Bureau of Economic AnalysisBEA API User Guide, 2026-04-20UserID, metadata calls, 100 requests/minute, 100 MB/minute, 30 errors/minute, HTTP 429/retry
SRC-BEA-CHAINU.S. Bureau of Economic AnalysisChained-Dollar Indexes: Issues and Tips, published 2003-11; page modified 2018-05-30Real/current measures, chain weighting, non-additivity
SRC-FRED-APIFederal Reserve Bank of St. LouisFRED API, date not statedv1 series/ALFRED access; v2 bulk release history; metadata and vintage endpoints
SRC-FRED-TERMSFederal Reserve Bank of St. LouisFRED API Terms, date not statedKey requirement, changeable limits, application notice, third-party rights

International and national statistical systems

IDAuthoritySource and dateUse
SRC-WB-APIWorld BankIndicators API Documentation, date not statedv2 current; v1 discontinued; no API authentication; source metadata
SRC-WB-WDIWorld BankWorld Development Indicators catalog, updated 2026-07-22Metadata, classifications, and revision-history resources
SRC-IMF-APIInternational Monetary FundIMF Data APIs, page dated 2026SDMX 2.1 and 3.0 access
SRC-IMF-SDMXInternational Monetary FundIMF SDMX Central Web Services Guide, updated 2025-05Structures, codelists, schemas, and SDMX services
SRC-OECD-APIOECDOECD data via API, 2025-04-30SDMX syntax, dataflow version warning, formats, terms, nonnumeric rate-limiting statement
SRC-OECD-SUTOECDSupply and Use Tables, date not statedProduct/industry supply-use framework and origin/use of goods and services
SRC-EUROSTAT-APIEurostatAPI Introduction, date not statedStatistics/SDMX services, formats, twice-daily updates, latest-version-only caveat
SRC-ESS-QUALITYEurostatESS Handbook for Quality and Metadata Reports, 2021-12-09Standardized quality and metadata reporting
SRC-NACEEurostatNACE Rev. 2.1 manual announcement, 2025-06-24Current NACE manual, principles, explanatory notes, correspondence tables
SRC-STATCAN-WDSStatistics CanadaWeb Data Service User Guide, revision 1.6 dated 2025-01-24Data/metadata service, update window, 50 server and 25 per-IP requests/second
SRC-ONS-APIUK Office for National StatisticsONS Developer Hub, date not stated; betaOpen/no-key API; dataset/edition/version and breaking-change warning

Market definition, uncertainty, and research methods

IDAuthoritySource and dateUse
SRC-US-MERGERU.S. DOJ and FTC2023 Merger Guidelines, 2023-12-18Relevant markets, shares, HHI, evidence, dynamic and potential competition
SRC-EU-MARKETEuropean CommissionMarket Definition Notice, 2024-02-22Product/geographic scope, non-price competition, digital/dynamic markets, alternate share metrics, evidence
SRC-OMB-A4U.S. Office of Management and BudgetCircular A-4, 2023-11-09Evidence quality, uncertainty, sensitivity, assumptions, transparent presentation
SRC-GREENBOOKUK HM TreasuryThe Green Book 2026, 2026-03-10Appraisal, options, uncertainty, evidence, and transparent assumptions
SRC-AAPOR-CODEAmerican Association for Public Opinion ResearchCode of Professional Ethics and Practices, revised 2026-06Current participant, privacy, sponsor, public, integrity, and disclosure duties
SRC-AAPOR-DISCAmerican Association for Public Opinion ResearchDisclosure Standards, code approved 2021-04; page published 2022-12-02Sponsor, instrument, population, sample, mode, dates, weighting, precision, limitations, privacy
SRC-AAPOR-BESTAAPORBest Practices for Survey Research, page published 2023-01-11Survey design, probability/non-probability samples, wording, weighting, reporting
SRC-FCSM-NRFederal Committee on Statistical MethodologyBest Practices for Nonresponse Bias Reporting, 2023-06Response-rate and subgroup nonresponse-bias reporting
SRC-ICSP-QUALITYInteragency Council on Statistical PolicyPrinciples for Modernizing Production of Federal Statistics, 2018Quality, transparency, and limitations for statistical/non-statistical integrated data
SRC-FORCE11FORCE11Joint Declaration of Data Citation Principles, 2014; page date not statedImportance, credit, evidence, unique identification, access, persistence, specificity
SRC-ICO-MINUK Information Commissioner's OfficeData minimisation, updated 2025-09-09Collecting data adequate, relevant, and limited to purpose where UK GDPR applies

Research query record

Focused search/extract objectives covered:

  • SEC EDGAR, Census, BLS, BEA, FRED access, metadata, terms, and limits;
  • World Bank, IMF, OECD, Eurostat, Statistics Canada, and ONS APIs;
  • NAICS/NACE versions and classification correspondence;
  • supply-use/economic-census methods for sizing and double-count prevention;
  • U.S. and EU competition/market-definition guidance;
  • OMB and HM Treasury forecast uncertainty and sensitivity;
  • AAPOR/FCSM survey disclosure and nonresponse;
  • data citation, provenance, metadata quality, privacy, and ethical collection.

No Parallel search JSON artifacts are included in the skill.