Unified Code for Economic Measurement

Specification foreconomic measurement.

UCEM defines requirements for the meaning, source documentation and supported use of economic measurements and research findings. It is designed for use with SDMX and other established standards.

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Retained publisher record

United States · Nominal GDP

2024 Q4

29,723.9

billion USD

Seasonally adjusted annual rate

BEA · Third estimate · 27 Mar 2025

A quarterly observation expressed at an annual rate.

Table 3 · Line 1 · PDF page 9

Historical release. Later revisions exist.

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U.S. city average · CPI-U

September 2025

324.245

Index · 1982-84=100

seasonally adjusted

BLS · bulk history captured 10 Oct 2026

All items, all urban consumers. An unavailable observation is distinct from zero.

Index level, not an inflation rate. Release edition unestablished.

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Employment-to-population contrast

2021 endpoint · relative to 1982

6.7

percentage points of current prime-age population

Studied French communes · treated-control differential

Working paper · September 2026

Author-reported local contrast, not a national employment rate. Reported SE 0.8, clustered by commune.

One study. Regression sample size and exact conditioning remain unresolved.

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Model-bound publication

US dollar / euro reference exchange rate

ECB

Exact expressions, construction and model revision.

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Model-bound publication

Attrition: raw and mean-normalized estimates

Retained research appendix

Exact expressions, construction and model revision.

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