Antitrust Radar

Research observatory / publication desk

Competition Briefing Studio

Prepare a research brief from published changes and selected evidence. Every measure retains its period, unit, source population, and inference limits.

Selected signals
1maximum five
Evidence systems
1kept separate
Source records
1deduplicated
Source review
Jul 21, 2026latest selected record
Current packet lineagePublic brief
1Source records
1Observed changes
1Bounded packet
1Research questions
Defined markets0
Census industries0
Geographic systems1
Business dynamics0
Merger activity0
Selection preserves source custodyNo composite score
Observed anchorsLatest versus prior, with the interval visible.
Deterministic synthesisPublished interpretations and questions, not generated claims.
Reusable packetShare URL, Markdown, JSON, BibTeX, and RIS.

Signal set

Published comparisons

1/5
1 selected / 46 in view

Public brief / source-backed packet

U.S. fixed broadband connections: National HHI briefing

Orient readers to observed changes, evidence custody, and the questions that still require investigation. This packet keeps 1 latest-to-prior observation across 1 evidence system separate and does not rank or combine them.
Signals
1
Domains
1
Sources
1
Observed span
2023-2024
01

Broadband geographies / National HHI

U.S. fixed broadband connections

+306
Dec 20231,195
1 year
Dec 20241,501

The December 2024 national hhi is higher than its December 2023 anchor. This geographic summary does not define a legal broadband market or identify why provider shares changed.

Research questionWhat provider-share, technology, speed-tier, entry, and geographic composition changes explain the rise in national HHI while median subnational HHIs declined?
Interpretation boundary

Every signal compares declared observed anchors inside the same series or cross-section. Missing years are not interpolated, intervals are not annualized, and market, industry, geographic, business-flow, and merger measures keep separate units, universes, period bases, and legal meanings. Antitrust Radar does not combine them into a composite competition score.

Packet access1 signals / 1 canonical sources / Jul 21, 2026

Publication standard

A briefing is a research handoff, not a finding of liability.

Every exported packet carries the observed comparison, source register, bounded interpretation, next research question, and the global no-composite-score rule.

  1. 01
    State what changed

    Report the exact prior and latest anchors with their period basis and interval.

  2. 02
    Keep systems separate

    Do not compare the magnitude of unlike HHI, share, business-flow, transaction, and review-rate changes.

  3. 03
    Open the investigation

    Route each signal into its underlying profile, explorer, source records, and research question.

Research handoffs

Continue in the underlying evidence system.

The studio packages current observations; profiles, explorers, reports, and public data remain the authoritative analytical surfaces.