{"license":"https://creativecommons.org/licenses/by/4.0/","dataset":"atlas","updatedThrough":"2026-08-15","guardrail":"The atlas exposes only relationships declared in the current public data. 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The profile publishes annual December national anchors and links to the same-source state, county, and census-tract median series without treating those geographic summaries as one market.","href":"/markets/us-fixed-broadband-access","metricLabel":"Latest HHI","metricValue":"1,501","detail":"United States / separately reported state, county, and census-tract summaries / 2024","status":"verified","year":2024,"color":"#14b8a6","searchText":"u.s. residential fixed broadband access fixed broadband telecommunications united states / separately reported state, county, and census-tract summaries residential fixed-internet competition using fcc-reported hhi for connections of at least 100 mbps downstream and 20 mbps upstream. the profile publishes annual december national anchors and links to the same-source state, county, and census-tract median series without treating those geographic summaries as one market.","connectionCount":7,"x":547.197,"y":446.153,"distance":2,"radius":8,"labelVisible":false},{"id":"participant:cmp-four-largest-beef-packers","kind":"participant","label":"Four largest beef packers","shortLabel":"Four largest beef p...","description":"Aggregate USDA CR4 category for the four largest purchasers of U.S. steers and heifers; not a single firm.","href":"/participants/four-largest-beef-packers","metricLabel":"Latest sourced share","metricValue":"85.0%","detail":"1 market / 3 rows","status":"verified","year":2019,"color":"#3b82f6","searchText":"four largest beef packers aggregate usda cr4 category for the four largest purchasers of u.s. steers and heifers; not a single firm. u.s. steer and heifer purchases by beef packers","connectionCount":1,"x":490.814,"y":465.996,"distance":2,"radius":8,"labelVisible":false},{"id":"industry:311611","kind":"industry","label":"Animal (except poultry) slaughtering","shortLabel":"311611 Animal (except...","description":"2022 Economic Census employer-firm concentration screen for NAICS 311611.","href":"/industries/311611","metricLabel":"Revenue HHI","metricValue":"1,250.7","detail":"1.4K firms / 124.7B revenue","status":"published","year":2022,"color":"#f59e0b","searchText":"311611 animal (except poultry) slaughtering 31","connectionCount":5,"x":431.126,"y":469.15,"distance":2,"radius":8,"labelVisible":false},{"id":"issue:food-buyer-power","kind":"issue","label":"Food systems and buyer power","shortLabel":"Food buyer power","description":"How does buyer concentration in regional cattle procurement affect producer options, contract terms, and supply-chain resilience?","href":"/issues/food-systems-and-buyer-power","metricLabel":"Bounded markets","metricValue":"1","detail":"1 separately defined market / editorial research program","status":"issue program","year":2019,"color":"#c026d3","searchText":"food systems and buyer power food buyer power procurement options, regional boundaries, and resilience the program follows the usda national beef-packer cr4 series into a buyer-power research frame while preserving the need for regional procurement markets and firm-level evidence. how does buyer concentration in regional cattle procurement affect producer options, contract terms, and supply-chain resilience? which plant-level purchases, procurement distances, capacity, contracts, and prices define regional buyer alternatives? how do entry, exit, outages, captive supply, and transportation costs change producer bargaining options? which firm-level records can disaggregate the national cr4 without inferring equal shares among the four largest buyers? u.s. steer and heifer purchases by beef packers beef meatpacking food and agriculture","connectionCount":4,"x":372.966,"y":455.36,"distance":2,"radius":8,"labelVisible":false},{"id":"topic:market-structure","kind":"topic","label":"Market Structure","shortLabel":"Market Structure","description":"Where is market power concentrated, how is structure changing, and which competitive mechanism still needs to be tested?","href":"/research/topics/market-structure","metricLabel":"Publication memberships","metricValue":"9","detail":"AR-T01 / 6 issue programs / 5 evidence lanes","status":"institutional research topic","year":2026,"color":"#ea580c","searchText":"ar-t01 market structure markets where is market power concentrated, how is structure changing, and which competitive mechanism still needs to be tested? connect definition-bound concentration measures, participant shares, historical movement, and public research questions without collapsing unlike markets into one score. a concentration measure is a screen inside its stated product, geography, denominator, and period. it is not by itself proof of market power, harm, causation, liability, or the correct legal market. comparable participant shares, entry and exit, switching, price, quality, capacity, transactions, and stable market-definition records. researchers, journalists, enforcement staff, and public officials ar-sc-2026-01 the u.s. competition landscape ar-mm-2026-01 how hhi helps explain market concentration ar-rb-2026-02 five digital gateways ar-rb-2026-01 beef meatpacking buyer power ar-rb-2026-03 state banking structure, 2015-2025 ar-rb-2026-06 fixed broadband concentration across geographic scales, 2020-2024 ar-rb-2026-07 state individual insurance concentration, 2024 ar-ci-2026-01 latest market-structure signals moved in both directions. ar-ci-2026-02 four digital usage systems traced four different structural paths.","connectionCount":30,"x":321.047,"y":425.744,"distance":2,"radius":8,"labelVisible":false},{"id":"topic:industry-structure","kind":"topic","label":"Industry Structure","shortLabel":"Industry Structure","description":"Which detailed industries account for broad-sector concentration patterns, and where does strict historical evidence show structural movement?","href":"/research/topics/industry-structure","metricLabel":"Publication memberships","metricValue":"4","detail":"AR-T03 / 1 issue program / 5 evidence lanes","status":"institutional research topic","year":2026,"color":"#ea580c","searchText":"ar-t03 industry structure industries which detailed industries account for broad-sector concentration patterns, and where does strict historical evidence show structural movement? keep census industry distributions, strict same-code history, business flows, and reviewed market context inspectable at their published levels. a naics industry is a statistical classification, not automatically an antitrust market. sector medians, revenue concentration, and business dynamics retain different units and vintages. strict six-digit histories, disclosure status, firm and establishment context, product and geographic boundaries, entry, conduct, prices, quality, and enforcement records. industrial-organization researchers, sector analysts, and public agencies ar-sc-2026-01 the u.s. competition landscape ar-rb-2026-01 beef meatpacking buyer power ar-rb-2026-04 business dynamism across u.s. sectors, 1978-2023 ar-ci-2026-03 broad-sector concentration medians did not move as one economy.","connectionCount":22,"x":279.575,"y":382.7,"distance":2,"radius":8,"labelVisible":false},{"id":"topic:geographic-competition","kind":"topic","label":"Geographic Competition","shortLabel":"Geographic Competition","description":"How does competitive structure vary across national, state, county, tract, route, and other local frames?","href":"/research/topics/geographic-competition","metricLabel":"Publication memberships","metricValue":"7","detail":"AR-T04 / 4 issue programs / 5 evidence lanes","status":"institutional research topic","year":2026,"color":"#ea580c","searchText":"ar-t04 geographic competition places how does competitive structure vary across national, state, county, tract, route, and other local frames? connect place-based concentration screens to their exact geography, source vintage, ownership rules, and local-market research needs. a statewide, county, tract, or national screen does not establish a legal geographic market. medians of local hhis are not interchangeable with one national hhi. area-level shares and distributions, ownership and entry histories, local prices and quality, commuting or procurement patterns, capacity, switching, and stable geographic definitions. local officials, researchers, journalists, and community advocates ar-sc-2026-01 the u.s. competition landscape ar-dn-2026-02 housing competition needs local ownership data ar-rb-2026-03 state banking structure, 2015-2025 ar-rb-2026-06 fixed broadband concentration across geographic scales, 2020-2024 ar-rb-2026-07 state individual insurance concentration, 2024 ar-ci-2026-04 geographic concentration screens point in different directions at different scales. ar-ci-2026-05 national fixed-broadband hhi rose while three geographic medians fell.","connectionCount":17,"x":251.91,"y":329.715,"distance":2,"radius":8,"labelVisible":false},{"id":"topic:merger-review","kind":"topic","label":"Merger Review","shortLabel":"Merger Review","description":"How are notification volume, transaction mix, review intensity, official outcomes, and observed market structure changing without conflating process with effect?","href":"/research/topics/merger-review","metricLabel":"Publication memberships","metricValue":"3","detail":"AR-T06 / 2 issue programs / 5 evidence lanes","status":"institutional research topic","year":2026,"color":"#ea580c","searchText":"ar-t06 merger review mergers how are notification volume, transaction mix, review intensity, official outcomes, and observed market structure changing without conflating process with effect? keep federal filing, transaction-size, review-process, structural-screen, and official-record evidence in separate but connected lanes. notification counts, second request rates, concentration screens, complaints, settlements, and abandonments have different denominators and meanings. none alone establishes transaction effects or legal merit. transaction-level industry and size, thresholds, exemptions, agency allocation, review timing, outcomes, remedies, market shares, entry, price, quality, and capacity. merger researchers, oversight staff, journalists, and enforcement practitioners ar-sc-2026-01 the u.s. competition landscape ar-rb-2026-05 the federal merger review pipeline, 2016-2025 ar-ci-2026-07 reported hsr volume and the second request rate both moved lower in fy2025.","connectionCount":7,"x":240.293,"y":271.083,"distance":2,"radius":8,"labelVisible":false},{"id":"question:market-cr4:us-browser-usage","kind":"question","label":"Which participant-share changes account for the structural movement, and are the denominator and coverage stable across both anchors?","shortLabel":"Browsers: Four-participan...","description":"Browsers moved from 93.6% in 2025 to 93.8% in 2026 (+0.15 percentage points). 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