30 KiB
U.S. Consumer Price Index (CPI-U) - Inflation Time Series
Source ID: DS-00003 Record Created: 2025-10-25 Last Updated: 2025-10-25 Cataloger: Substrate Data Curation Review Status: Reviewed
Bibliographic Information
Title Statement
- Main Title: Consumer Price Index for All Urban Consumers: All Items in U.S. City Average (CPIAUCSL)
- Subtitle: Monthly U.S. Inflation Measure, Seasonally Adjusted (1947-Present)
- Abbreviated Title: CPI-U, CPIAUCSL
- Variant Titles: U.S. CPI, Consumer Price Index, Inflation Index, CPI All Items
Responsibility Statement
- Publisher/Issuing Body: Federal Reserve Bank of St. Louis (FRED)
- Department/Division: Federal Reserve Economic Data (FRED) Division
- Contributors: Bureau of Labor Statistics (BLS - primary source), U.S. Department of Labor
- Contact Information: stlsFRED@stls.frb.org
Publication Information
- Place of Publication: St. Louis, Missouri, USA (FRED); Washington, D.C., USA (BLS)
- Date of First Publication: 1947-01 (monthly series)
- Publication Frequency: Monthly (released mid-month, typically day 12-15)
- Current Status: Active
Edition/Version Information
- Current Version: Continuous monthly updates
- Version History: 1947-present continuous series; base period re-anchored periodically (current: 1982-1984 = 100)
- Versioning Scheme: Monthly releases with minimal historical revisions
Authority Statement
Organizational Authority
Issuing Organization Analysis:
- Official Name: Federal Reserve Bank of St. Louis (FRED aggregator); Bureau of Labor Statistics (BLS - primary authority)
- Type: Federal Reserve Bank (FRED); Federal Government Statistical Agency (BLS)
- Established: FRED: 1991; BLS: 1884 (140+ years of labor statistics)
- Mandate: Federal Reserve Act (FRED); Bureau of Labor Statistics Act - authority to measure labor market conditions and price changes
- Parent Organization: Federal Reserve System (FRED); U.S. Department of Labor (BLS)
- Governance Structure: Federal Reserve Bank board (FRED); Presidential appointment + Senate confirmation (BLS Commissioner)
Domain Authority:
- Subject Expertise: Price measurement, inflation statistics (BLS 140+ years); economic data aggregation (FRED 30+ years)
- Recognition: BLS is U.S. principal statistical agency for labor and price statistics; CPI is the most widely-used inflation measure globally
- Publication History: CPI published since 1913 (various forms), continuous monthly since 1947; FRED since 1991
- Peer Recognition: Federal Reserve, Treasury, Social Security Administration, academic economists worldwide cite BLS CPI
Quality Oversight:
- Peer Review: BLS methodology reviewed by National Academy of Sciences, academic economists (Boskin Commission, others)
- Editorial Board: Technical Advisory Committee on the Consumer Price Index
- Scientific Committee: Bureau of Labor Statistics leadership (professional economists and statisticians)
- External Audit: Subject to Government Accountability Office (GAO) oversight
- Certification: Follows international standards (ILO CPI Manual, UN Statistical Commission)
Independence Assessment:
- Funding Model: Federal appropriations (no commercial interests)
- Political Independence: Professional statistical agency; BLS Commissioner serves under civil service protections; statutory independence
- Commercial Interests: None (federal government mission)
- Transparency: Complete methodology documentation (BLS Handbook of Methods); data collection procedures published
Data Authority
Provenance Classification:
- Source Type: Primary (BLS direct measurement from price collection)
- Data Origin: BLS collects ~80,000 price quotes monthly from ~23,000 retail and service establishments across 75 urban areas
- Chain of Custody: Price collectors → BLS field offices → National office aggregation → Statistical analysis → FRED aggregation → Public access
Primary Source Characteristics:
- BLS is the authoritative U.S. statistical agency for CPI compilation
- Direct measurement from retail prices (in-person and online price collection)
- Legal mandate under Bureau of Labor Statistics Act
- Follows internationally-recognized Consumer Price Index methodology (ILO CPI Manual)
Scope Note
Content Description
Subject Coverage:
- Primary Subjects: Inflation, Price Indices, Cost of Living, Consumer Economics
- Secondary Subjects: Macroeconomics, Monetary Policy, Purchasing Power, Real Value Adjustments
- Subject Classification:
- LC: HB (Economic Theory), HC (Economic History and Conditions)
- Dewey: 338.5 (Prices), 330.973 (U.S. Economics)
- Keywords: CPI, Consumer Price Index, inflation, price index, purchasing power, cost of living, real wages, deflator, basket of goods, seasonally adjusted
Geographic Coverage:
- Spatial Scope: United States (75 urban areas covering ~93% of U.S. population)
- Countries/Regions Included: United States only (separate CPI series exist for regions)
- Geographic Granularity: National aggregate (separate metropolitan area CPIs available)
- Coverage Completeness: 93% of U.S. population (all urban consumers)
- Notable Exclusions: Rural populations (~7% of U.S.), military personnel, institutionalized populations
Temporal Coverage:
- Start Date: 1947-01 (monthly series); 1913 (earlier annual series)
- End Date: Present (ongoing monthly updates)
- Historical Depth: 78+ years (monthly), 112+ years (including earlier series)
- Frequency of Observations: Monthly
- Temporal Granularity: Month-level
- Time Series Continuity: Excellent; continuous monthly data with minimal revisions
Population/Cases Covered:
- Target Population: All urban consumers (~93% of U.S. population)
- Inclusion Criteria: Expenditure patterns of urban wage earners, clerical workers, professional, managerial, technical workers, self-employed, unemployed, retirees
- Exclusion Criteria: Rural non-metropolitan populations, farm families, military on base, institutionalized persons
- Coverage Rate: 93% of U.S. total population
- Sample vs. Census: Sample-based: ~23,000 retail establishments, ~80,000 price quotes monthly
Variables/Indicators:
- Number of Variables: 1 primary series (CPIAUCSL); 8,000+ related detailed CPI series
- Core Indicators:
- CPI Index (1982-1984 = 100 baseline)
- Month-over-month change
- Year-over-year inflation rate
- Seasonally adjusted values
- Derived Variables: Inflation rates (monthly, annual), real wage deflators, purchasing power calculations
- Data Dictionary Available: Yes - BLS CPI Handbook of Methods
Content Boundaries
What This Source IS:
- Gold-standard measure of U.S. consumer price inflation
- Primary indicator used by Federal Reserve for monetary policy (2% inflation target)
- Official U.S. government price statistic for cost-of-living adjustments (Social Security, tax brackets)
- Internationally-comparable using ILO CPI Manual framework
- Best source for understanding U.S. purchasing power changes over time
What This Source IS NOT:
- NOT a cost-of-living index (does not account for substitution, quality changes perfectly)
- NOT a measure of prices paid by businesses (use Producer Price Index)
- NOT adjusted for individual consumption patterns (measures average urban consumer)
- NOT real-time (2-week lag from month end to publication)
- NOT granular below national level (use metropolitan area CPIs for local analysis)
Comparison with Similar Sources:
| Source | Advantages Over This Source | Disadvantages vs. This Source |
|---|---|---|
| PCE Price Index (Fed preferred) | Accounts for consumer substitution; broader coverage | Less widely known; more complex methodology |
| CPI-W (Urban Wage Earners) | Specific to wage/clerical workers | Narrower coverage (32% of population vs 93%) |
| Chained CPI | Better accounts for substitution | More complex; less historical data |
| PPI (Producer Price Index) | Business/wholesale prices | Not consumer-facing; different concept |
Access Conditions
Technical Access
API Information:
- Endpoint URL: https://fred.stlouisfed.org/graph/fredgraph.csv?id=CPIAUCSL&cosd=1947-01-01
- API Type: Direct CSV download (HTTP GET); also FRED API available
- API Version: FRED API v1
- OpenAPI/Swagger Spec: https://fred.stlouisfed.org/docs/api/fred/
- SDKs/Libraries: Python (fredapi), R (fredr), unofficial libraries for other languages
Authentication:
- Authentication Required: No (for CSV); Yes for FRED API
- Authentication Type: API Key (free) for FRED API
- Registration Process: Sign up at https://fredaccount.stlouisfed.org/apikeys
- Approval Required: No (instant API key)
- Approval Timeframe: Immediate
Rate Limits:
- Requests per Second: Not documented for CSV download; reasonable use expected
- Requests per Day: FRED API: 120 requests/minute
- Concurrent Connections: Not specified
- Throttling Policy: API enforces rate limits with 429 status code
- Rate Limit Headers: Not provided for CSV; API includes rate limit info
Query Capabilities:
- Filtering: CSV downloads full series; FRED API supports date range filtering
- Sorting: Chronological (inherent in time series)
- Pagination: Not applicable (full series download)
- Aggregation: Pre-aggregated monthly data
- Joins: Not applicable (single time series)
Data Formats:
- Available Formats: CSV (direct download), JSON/XML (FRED API)
- Format Quality: Well-formed CSV; UTF-8 encoded; consistent schema
- Compression: Not compressed
- Encoding: UTF-8
Download Options:
- Bulk Download: Yes - full CSV download
- Streaming API: No
- FTP/SFTP: No
- Torrent: No
- Data Dumps: Full series download each time (not incremental)
Reliability Metrics:
- Uptime: Very high (99.9%+ estimated); Federal Reserve infrastructure
- Latency: <1 second for CSV download
- Breaking Changes: Schema stable for decades; BLS methodology changes documented years in advance
- Deprecation Policy: Federal Reserve commitment to long-term data availability
- Service Level Agreement: No formal SLA (federal government service)
Legal/Policy Access
License:
- License Type: Public Domain (U.S. Government Work)
- License Version: N/A
- License URL: https://www.usa.gov/government-works
- SPDX Identifier: CC0-1.0 (effectively public domain for U.S. government data)
Usage Rights:
- Redistribution Allowed: Yes (public domain)
- Commercial Use Allowed: Yes (public domain)
- Modification Allowed: Yes (public domain)
- Attribution Required: Not legally required; citation recommended as scholarly best practice
- Share-Alike Required: No
Cost Structure:
- Access Cost: Free
Terms of Service:
- TOS URL: https://fred.stlouisfed.org/legal/
- Key Restrictions: No restrictions (public domain); standard disclaimer
- Liability Disclaimers: Federal Reserve not liable for decisions based on data
- Privacy Policy: FRED collects website analytics; no personal data in economic statistics
Collection Development Policy Fit
Relevance Assessment
Substrate Mission Alignment:
- Human Progress Focus: Purchasing power and cost-of-living central to measuring economic wellbeing and human progress
- Problem-Solution Connection:
- Links to Problems: Inflation volatility, wage erosion, economic inequality measurement
- Links to Solutions: Monetary policy frameworks, real wage adjustments, retirement planning
- Evidence Quality: Gold-standard for U.S. inflation measurement; supports evidence-based economic analysis
Collection Priorities Match:
- Priority Level: CRITICAL - essential source for U.S. economic domain
- Uniqueness: Official U.S. government inflation measure; most widely-used price index
- Comprehensiveness: Fills critical gap; no other source provides this combination of authority, coverage, and historical depth
Comparison with Holdings
Overlapping Sources:
- DS-00002: U.S. GDP (complementary - GDP for output, CPI for prices)
- Future: PCE Price Index (Federal Reserve's preferred inflation measure)
Unique Contribution:
- Official BLS/U.S. government price statistic
- Most widely-cited inflation measure (Social Security COLA, tax brackets)
- Longest consistent time series (1947-present monthly)
- Used for real value adjustments across all economic research
Preferred Use Cases:
- When official U.S. government inflation statistics required
- Historical inflation analysis (1947-present)
- Real wage and real value calculations
- Cost-of-living adjustment research
- Monetary policy analysis (Federal Reserve 2% target)
Technical Specifications
Data Model
Schema Documentation:
- Schema Type: CSV with defined column structure
- Schema URL: https://fred.stlouisfed.org/series/CPIAUCSL
- Schema Version: Stable since FRED inception
Entity Types:
- Monthly CPI observations (time series)
Key Relationships:
- Date → CPI Value
Primary Keys:
- Date (YYYY-MM-DD)
Foreign Keys:
- None (single time series)
Metadata Standards Compliance
Standards Followed:
- Dublin Core
- DCAT (Data Catalog Vocabulary)
- Schema.org Dataset
- SDMX (Statistical Data and Metadata eXchange)
- DDI (Data Documentation Initiative) - minimal
- ISO 19115 (Geographic Information Metadata) - not applicable
- MARC
- Other: ILO CPI Manual methodology standards
Metadata Quality:
- Completeness: 90% of elements populated
- Accuracy: High - metadata maintained by FRED and BLS
- Consistency: Excellent - SDMX compliance ensures consistency
API Documentation Quality
Documentation Assessment:
- Completeness: Comprehensive - all endpoints documented with examples
- Examples Provided: Yes - extensive examples in multiple programming languages
- Error Messages: Clear HTTP status codes and error descriptions
- Change Log: Maintained at https://fred.stlouisfed.org/docs/api/fred/
- Tutorials: Available - step-by-step guides for common tasks
- Support Forum: Email support stlsFRED@stls.frb.org; no public forum
Source Evaluation Narrative
Methodological Assessment
Data Collection Methodology:
Sampling Design:
- Method: Probability sample (scientifically-selected retail establishments and items)
- Sample Size: ~23,000 retail and service establishments; ~80,000 price quotes monthly
- Sampling Frame: Universe of U.S. urban retail establishments
- Stratification: By item category, geographic region, establishment type
- Weighting: Expenditure weights from Consumer Expenditure Survey (updated every 2 years)
Data Collection Instruments:
- Instrument Type: Direct price observation (in-person and online price collection)
- Validation: BLS field supervisors verify price quotes; automated consistency checks
- Question Wording: Standardized price collection protocols (exact item specifications)
- Mode: In-person visits (grocery, retail), phone (services), online (e-commerce)
Quality Control Procedures:
- Field Supervision: BLS regional offices supervise price collectors
- Validation Rules: Automated checks for price changes >10%; item substitution protocols
- Consistency Checks: Cross-validation across similar items and geographic areas
- Verification: Monthly review by BLS economists
- Outlier Treatment: Large price changes investigated and verified before inclusion
Error Characteristics:
- Sampling Error: Very low for national CPI (large sample); confidence intervals not published
- Non-sampling Error: Item substitution bias, quality adjustment challenges, new product introduction lag
- Known Biases: Upward bias (~0.5-1.0% annually) from substitution, quality changes (Boskin Commission findings)
- Accuracy Bounds: Academic estimates suggest ±0.1-0.3% for monthly CPI
Methodology Documentation:
- Transparency Level: 5/5 (Exemplary)
- Documentation URL: https://www.bls.gov/opub/hom/cpi/
- Peer Review Status: BLS methods reviewed by National Academy of Sciences; published in peer-reviewed journals
- Reproducibility: Methodology fully documented; data collection procedures published
Currency Assessment
Update Characteristics:
- Update Frequency: Monthly (released mid-month, typically day 12-15)
- Update Reliability: Extremely consistent; releases follow strict schedule (8:30 AM ET)
- Update Notification: BLS release calendar published; FRED email alerts available
- Last Updated: 2025-08 (most recent as of October 2025)
Timeliness:
- Collection to Publication Lag: ~2 weeks (data for month M published mid-month M+1)
- Factors Affecting Timeliness: Price collection window, quality review process
- Historical Timeliness: Consistent monthly release schedule maintained for decades
Currency for Different Uses:
- Real-time Analysis: Unsuitable (2-week lag); most current available for monthly data
- Recent Trends: Excellent (monthly updates capture trends within 6 weeks)
- Historical Research: Excellent (continuous series 1947-present)
Objectivity Assessment
Potential Biases:
Political Bias:
- Government Influence: Statistical agency independence protected by law; BLS Commissioner serves under civil service
- Editorial Stance: Professional statistical neutrality mandated by statute
- Political Pressure: Occasional political commentary on CPI methodology; independence maintained
Commercial Bias:
- Funding Sources: Federal appropriations (no commercial interests)
- Advertising Influence: Not applicable
- Proprietary Interests: None
Cultural/Social Bias:
- Geographic Bias: Urban-centric (excludes rural 7%); 75 urban areas weighted by population
- Social Perspective: Average consumer basket may not reflect low-income or high-income consumption
- Language Bias: Published in English; limited translation
- Selection Bias: Item selection based on Consumer Expenditure Survey (updated every 2 years)
Transparency:
- Bias Disclosure: BLS acknowledges known biases (substitution, quality adjustment); Boskin Commission documented
- Limitations Stated: Comprehensive methodology documentation notes limitations
- Raw Data Available: Detailed CPI components published; micro-data not publicly available (establishment confidentiality)
Reliability Assessment
Consistency:
- Internal Consistency: Item-level CPIs aggregate mathematically to headline CPI
- Temporal Consistency: Stable methodology; major changes documented and phased in gradually
- Cross-source Consistency: Good agreement with PCE Price Index, IMF WEO inflation data
Stability:
- Definition Changes: Occasional - major methodology updates implemented gradually (e.g., geometric mean, hedonic quality adjustment)
- Methodology Changes: Well-documented; typically phased in over years
- Series Breaks: Clearly marked when major changes implemented (base period changes)
Verification:
- Independent Verification: Academic economists extensively study CPI; Boskin Commission independent review
- Replication Studies: Researchers use CPI data extensively; errors/discrepancies reported and corrected
- Audit Results: GAO audits BLS periodically; no major data quality issues identified
Accuracy Assessment
Validation Evidence:
- Benchmark Comparisons: CPI compared to PCE Price Index (Federal Reserve preferred measure); differences documented
- Coverage Assessments: Expenditure weights updated from Consumer Expenditure Survey
- Error Studies: Boskin Commission (1996) estimated upward bias ~1.1% annually; BLS improvements reduced to ~0.5%
Accuracy for Different Uses:
- Point Estimates: Highly reliable for national monthly CPI (large sample)
- Trend Analysis: Excellent for medium-term trends (6+ months); month-to-month noise exists
- Cross-sectional Comparison: Not applicable (U.S. only); international comparisons use Harmonized Indices
- Sub-population Analysis: Limited - metropolitan area CPIs available; no income-specific CPIs
Known Limitations and Caveats
Coverage Limitations
Geographic Gaps:
- Rural non-metropolitan areas (~7% of U.S. population)
- Alaska and Hawaii covered separately (not in national index)
Temporal Gaps:
- No gaps in monthly series since 1947
- Earlier data (1913-1946) less frequent or different methodology
Population Exclusions:
- Rural populations
- Military personnel on base
- Institutionalized populations (prisons, nursing homes)
Variable Gaps:
- No individual consumption pattern adjustments (average consumer only)
- No wealth or asset price changes (home prices, stocks)
- Services quality changes challenging to capture
Methodological Limitations
Sampling Limitations:
- Item substitution when products discontinued (introduces quality adjustment challenges)
- New products introduced with lag (e.g., smartphones took years to enter basket)
Measurement Limitations:
- Quality improvements difficult to separate from price increases (hedonic quality adjustment imperfect)
- Online prices increasingly important; methodology adapting
- Shrinkflation (smaller package size for same price) challenging to capture
Processing Limitations:
- Seasonal adjustment can mask underlying trends
- Base period changes (1982-1984 = 100) require careful interpretation for long-term comparisons
Comparability Limitations
Cross-national Comparability:
- Different countries use different CPI methodologies
- Harmonized Index of Consumer Prices (HICP) used for international comparisons
Temporal Comparability:
- Methodology improvements over time (geometric mean, hedonic quality, internet prices)
- Base period re-anchored periodically (does not affect inflation rates, but index levels)
Sub-group Comparability:
- No income-specific CPIs (average consumer only)
- Metropolitan area CPIs exist but smaller samples (wider confidence intervals)
Usage Caveats
Inappropriate Uses:
- DO NOT use for individual consumption - reflects average urban consumer, not personal basket
- DO NOT use as cost-of-living index - does not fully account for substitution or quality
- DO NOT compare month-to-month without considering seasonal patterns and noise
- DO NOT use for asset prices - excludes home prices, stocks, bonds (use Case-Shiller, S&P500)
Ecological Fallacy Risks:
- National CPI does not reflect individual cities (use metropolitan CPIs)
- Average CPI does not reflect low-income or high-income consumption patterns
Correlation vs. Causation:
- CPI measures price changes, not causes of inflation
- Appropriate for descriptive analysis, not causal inference without economic models
Recommended Use Cases
Ideal Applications
Research Questions Well-Suited:
- "How has U.S. purchasing power changed over the past 50 years?"
- "What is the real (inflation-adjusted) return on investment?"
- "How does wage growth compare to inflation?"
- "What is the Federal Reserve's progress toward 2% inflation target?"
Analysis Types Supported:
- Descriptive statistics (inflation rates over time)
- Trend analysis (long-term inflation patterns)
- Real value adjustments (converting nominal to real dollars)
- Policy evaluation (Federal Reserve inflation targeting)
Appropriate Contexts
Geographic Contexts:
- U.S. national analysis
- Cross-country comparisons (with Harmonized Indices or equivalent)
Temporal Contexts:
- Long-term trends (1947-present)
- Historical research (especially post-WWII era)
- Month-to-month changes (with seasonal adjustment consideration)
Subject Contexts:
- Purchasing power analysis
- Real wage calculations
- Retirement planning (Social Security COLA)
- Economic policy evaluation
Use Warnings
Avoid Using This Source For:
- Individual consumption patterns → Use personal budget tracking
- Real estate price inflation → Use Case-Shiller Home Price Index
- Asset price changes → Use stock indices, bond yields
- Immediate/real-time inflation → Use high-frequency alternative data (Billion Prices Project)
- Rural cost of living → No rural CPI available
Recommended Alternatives For:
- Federal Reserve policy → PCE Price Index (Fed's preferred measure)
- Producer/wholesale prices → Producer Price Index (PPI)
- Import/export prices → Import/Export Price Indices
- Wage earner specific → CPI-W (Urban Wage Earners and Clerical Workers)
Citation
Preferred Citation Format
APA 7th: U.S. Bureau of Labor Statistics. (2025). Consumer Price Index for All Urban Consumers: All Items in U.S. City Average [CPIAUCSL]. Federal Reserve Bank of St. Louis. Retrieved October 25, 2025, from https://fred.stlouisfed.org/series/CPIAUCSL
Chicago 17th: U.S. Bureau of Labor Statistics. "Consumer Price Index for All Urban Consumers: All Items in U.S. City Average (CPIAUCSL)." Federal Reserve Bank of St. Louis, FRED. Accessed October 25, 2025. https://fred.stlouisfed.org/series/CPIAUCSL.
MLA 9th: U.S. Bureau of Labor Statistics. Consumer Price Index for All Urban Consumers: All Items in U.S. City Average. FRED, Federal Reserve Bank of St. Louis, 2025, fred.stlouisfed.org/series/CPIAUCSL.
Vancouver: U.S. Bureau of Labor Statistics. Consumer Price Index for All Urban Consumers: All Items in U.S. City Average (CPIAUCSL) [Internet]. St. Louis: Federal Reserve Bank of St. Louis, FRED; 2025 [cited 2025 Oct 25]. Available from: https://fred.stlouisfed.org/series/CPIAUCSL
BibTeX:
@misc{bls_cpi_2025,
author = {{U.S. Bureau of Labor Statistics}},
title = {Consumer Price Index for All Urban Consumers: All Items in U.S. City Average (CPIAUCSL)},
year = {2025},
publisher = {Federal Reserve Bank of St. Louis, FRED},
url = {https://fred.stlouisfed.org/series/CPIAUCSL},
note = {Accessed: 2025-10-25}
}
Data Citation Principles
Following FORCE11 Data Citation Principles:
- Importance: CPI is citable research output; cite in publications using inflation-adjusted values
- Credit and Attribution: Citations credit BLS for data collection, FRED for aggregation
- Evidence: Citations enable readers to verify inflation adjustments
- Unique Identification: FRED series ID (CPIAUCSL) + access date for exact reproducibility
- Access: Citation provides direct access method (URL)
- Persistence: FRED maintains stable URLs; archived through Internet Archive
- Specificity and Verifiability: Series ID and date range ensure exact reproducibility
- Interoperability: Citation format compatible with reference managers
- Flexibility: Adaptable to various research outputs
Version History
Current Version
- Version: Continuous monthly series
- Date: 1947-01 to present
- Changes: Monthly additions; base period 1982-1984 = 100
Previous Versions
- Base Period Changes: 1967 = 100 (historical), 1982-1984 = 100 (current)
Review Log
Internal Reviews
- Date: 2025-10-25 | Reviewer: Substrate Data Curation | Status: Approved | Notes: Initial catalog entry; comprehensive evaluation completed
Quality Checks
- Last Metadata Validation: 2025-10-25
- Last Authority Verification: 2025-10-25
- Last Link Check: 2025-10-25
- Last Access Test: 2025-10-25 (CSV download tested successfully)
Related Resources
Cross-References
Related Substrate Entities:
- Problems:
- Inflation volatility
- Wage erosion
- Cost-of-living measurement
- Solutions:
- Monetary policy frameworks
- Index-linked financial instruments
- Real wage adjustments
- Organizations:
- Bureau of Labor Statistics
- Federal Reserve System
- Federal Reserve Bank of St. Louis
- Other Data Sources:
- DS-00002: U.S. GDP (Real GDP for output measurement)
- Future: PCE Price Index (Federal Reserve's preferred inflation measure)
External Resources:
- Alternative Sources:
- PCE Price Index: https://fred.stlouisfed.org/series/PCEPI
- Producer Price Index: https://www.bls.gov/ppi/
- Complementary Sources:
- Consumer Expenditure Survey: https://www.bls.gov/cex/
- Real Earnings: https://www.bls.gov/news.release/realer.htm
- Source Comparison Studies:
- Boskin Commission Report (1996): "Toward a More Accurate Measure of the Cost of Living"
- Academic research on CPI vs. PCE differences
Additional Documentation
User Guides:
- BLS CPI Home Page: https://www.bls.gov/cpi/
- FRED Series Page: https://fred.stlouisfed.org/series/CPIAUCSL
Research Using This Source:
- Millions of citations in economic research
- Federal Reserve policy analysis
- Social Security COLA calculations
Methodology Papers:
- BLS Handbook of Methods, Chapter 17 (Consumer Price Index)
- Boskin Commission Report (1996)
Cataloger Notes
Internal Notes:
- Excellent source; highest authority; essential for Substrate economic domain
- CSV download simple and reliable
- Consider adding PCE Price Index as complement (Federal Reserve's preferred measure)
- CPI-W (wage earners) available as alternative series if needed
To Do:
- Add related organizations (BLS, Federal Reserve)
- Cross-reference with relevant Problems and Solutions
- Consider adding metropolitan area CPIs for geographic granularity
Questions for Review:
- Should we catalog PCE Price Index separately?
- How to handle base period changes in long-term analysis documentation?
END OF SOURCE RECORD