JSON + CSV
Typed rows, filtered exports, and confidence labels.
Data infrastructure / open access
Public data catalog
Download the records behind the research, including market shares, concentration measures, official events, and source references. Coverage and missing values are documented for each dataset.
Open data observatory
Source records move through market definitions, concentration calculations, confidence labels, and public data endpoints — 45 source records, 12 market profiles, 235809 record rows plus a 1 row summary endpoint across 62 API endpoints.
Record rows
235,809
Sources
45
Endpoints
62
Bulk library55 endpoint families + schemasJSONmetadata + rowsCSVspreadsheet exportAPI Labrun + copy requestsNotebooklineage and analysis handoff
Aug 15, 2026
Latest source review
62
Dataset families
4
Source types
Public data access
Use the observatory data directly.
Public-interest exploration needs the underlying data to be inspectable. These JSON and CSV endpoints expose the same public records that power profiles, rankings, reports, and the evidence ledger.
Active query packet
Source ledger routes to 1 row with JSON, CSV, notebook, and citation reuse.
Route 100%Source-scoped
Review of Finance rows are isolated before export so citations can be audited back to one public source family.
/api/public/sources?source=glm-industry-concentration-201962
Datasets
Aug 2026
Freshness
Dataset finder
Market matches
Source scope
Report scope
Active endpoint
DatasetsChoose dataset
62 of 62 dataset families
Selected dataset
Source ledger
Public source records, structured citation authors and years, access dates, linked market coverage, BibTeX/RIS handoffs, and two-to-four-record comparison packets through the sourceSet query.
Endpoint rows
1
Scope
All markets
dataset rows
45
endpoint rows
1
market matches
0/12
source
Review of Finance
report
all
fields
8
Choose a market to generate filtered endpoint URLs.
0 market links · accessed Aug 5, 2026
Filter every endpoint to the markets and sources behind one public briefing.
API query grammar
0 of 12 markets match · 1 endpoint row
Source: Review of Finance
Open data needs public interpretation.
The API is a starting point, not a legal conclusion. Pair downloads with methodology notes, source records, and the data-gaps report when citing market concentration.