Antitrust Radar

Research observatory / publication desk

Research Set Briefing

Prepare a brief from a saved collection of profiles and sources. Documented relationships and original definitions remain attached to the evidence.

Profiles
22 families
Pair routes
11 connected
Supporting edges
1exact declarations
Sources
61 route-bound / 5 profile-only
Publication lineage3 audience modes
2Profiles
1Pair routes
1Exact edges
6Custody sources
BrowsersMarket leader share
Deterministic synthesisNo generated or composite claim
Declared routesDirect edges and multi-hop paths remain distinct.
Bounded interpretationNavigation never becomes liability, causation, or market definition.
Reusable publicationShare URL, Markdown, JSON, BibTeX, RIS, and print output.

Research memo / deterministic evidence synthesis

Competition research memo: Browsers and Market leader share

A methods-forward memo across 2 canonical profiles, preserving exact declarations, multi-hop research paths, source custody, and open empirical questions.
Profiles
2
2 evidence families
Pair routes
1
1 connected
Direct pairs
1
Exact endpoint edges
Supporting edges
1
0 connectors
Sources
6
1 route-bound / 5 profile-only

Executive synthesis

What the selected evidence establishes

1 of 1 profile pair has at least one direct declared edge; 0 are connected only through a reproducible multi-hop route. The packet carries 1 exact supporting edge and 6 source-custody records: 1 route-bound and 5 profile-linked only without aggregating the profiles into a score.
1 direct0 bridged0 disconnected

Canonical scope

Profile evidence register

2 profiles
01
Market profile / estimated_public

U.S. browser usage

All-platform U.S. browser usage share from StatCounter Global Stats for April 2026. The profile tracks browser usage concentration, not browser advertising or operating-system tying questions.

Latest HHI
3,612
Evidence context
United States / 2026
02
Indicator profile / markets

Tracked leading-participant share

Largest sourced non-aggregate participant share in each released market anchor.

Observation rows
18
Evidence context
6 entities / 2023-2026

Priority routes

Declared links and open questions

01
Direct declaration / 1 source record

BrowsersMarket leader share

1 exact declared edge: Observed by indicator.

Research questionHow should the timing, scope, and competitive significance of the declared Observed by indicator between Browsers and Market leader share be tested with additional observations?
Interpretation boundary

The workspace assembles canonical profiles and declared Atlas edges for research navigation. A direct edge preserves only its encoded evidence statement. A multi-hop route does not establish a direct endpoint relationship, make unlike measures comparable, define a legal market, assign ownership, control, liability, or causation, or prove a policy effect.

Profile-linked custody records document the selected profiles. They do not substantiate a selected pair route unless the same source also appears on a route-bearing edge.

Publication packet2 profiles / 1 pair routes / 6 canonical + 0 linked sources

Publication standard

A dossier records the evidence route before it frames the research question.

Every audience mode uses the same profiles, paths, edges, and sources. Only the framing of the next question changes.

  1. 01
    Declare the scope

    Name each canonical profile and retain its metric, period, status, and profile route.

  2. 02
    Separate route status

    Direct, bridged, and disconnected pairs remain explicit throughout the packet.

  3. 03
    Publish the boundary

    Carry source custody, edge guardrails, and missing evidence into every export.

Research handoffs

Continue in the underlying analytical surface.

The dossier frames an evidence route. Profiles, the Atlas, source dossiers, and public data remain authoritative.

Competition Briefing Studio | Antitrust Radar