{"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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HHI points, CR4 points, and leading-share points across different products and periods are not pooled or ranked.","href":"/insights/market-structure-change-field","metricLabel":"Exact signals","metricValue":"15","detail":"AR-CI-2026-01 / Domain readout","status":"current insight","year":2026,"color":"#6366f1","searchText":"latest market-structure signals moved in both directions. market change field fifteen hhi, cr4, and leading-share comparisons preserve their own product boundary, denominator, source, and observed interval. defined markets domain readout ar-ci-2026-01 the current market field is split. across 15 exact latest-to-prior rows, 8 increased, 7 decreased. the count says only how many bounded comparisons point each way. digital usage screens diverged. social referrals moved from 3,804 in 2025 to 4,995 in 2026 (+1,191.0 hhi points). search engines moved from 7,589 in 2025 to 7,359 in 2026 (-230.0 hhi points). mobile operating systems moved from 5,094 in 2025 to 5,337 in 2026 (+243.0 hhi points). browsers moved from 3,720 in 2025 to 3,612 in 2026 (-108.0 hhi points). each usage system has a separate denominator and remains analytically independent. other market intervals use different clocks. beef meatpacking moved from 81.0% in 1995 to 85.0% in 2019 (+4.00 percentage points). fixed broadband moved from 1,195 in 2023 to 1,501 in 2024 (+306.0 hhi points). wireless service moved from 3,596 in 2021 to 3,550 in 2023 (-46.0 hhi points). their unequal intervals are displayed, not annualized. beef meatpacking four-participant concentration ratio browsers four-participant concentration ratio browsers herfindahl-hirschman index browsers leading-participant share fixed broadband herfindahl-hirschman index mobile operating systems four-participant concentration ratio mobile operating systems herfindahl-hirschman index mobile operating systems leading-participant share search engines four-participant concentration ratio search engines herfindahl-hirschman index search engines leading-participant share social referrals four-participant concentration ratio social referrals herfindahl-hirschman index social referrals leading-participant share wireless service herfindahl-hirschman index u.s. steer and heifer purchases by beef packers u.s. browser usage u.s. residential fixed broadband access u.s. mobile operating-system web usage u.s. search engine usage u.s. social-media referral traffic u.s. mobile wireless service","connectionCount":15,"x":514.215,"y":393.343,"distance":1,"radius":11,"labelVisible":true},{"id":"report:rep-fixed-broadband-geography","kind":"report","label":"Fixed Broadband Concentration Across Geographic Scales, 2020-2024","shortLabel":"Fixed Broadband Concent...","description":"A source-backed research brief on nine FCC fixed-broadband reporting periods, the divergent paths of national and subnational median HHI, and the public evidence needed to move from geographic screens to mechanisms and outcomes.","href":"/reports/fixed-broadband-geographic-concentration-2020-2024","metricLabel":"Evidence sources","metricValue":"1","detail":"1 linked market","status":"published","year":2026,"color":"#6366f1","searchText":"fixed broadband concentration across geographic scales, 2020-2024 national hhi rose while median state, county, and census-tract concentration fell a source-backed research brief on nine fcc fixed-broadband reporting periods, the divergent paths of national and subnational median hhi, and the public evidence needed to move from geographic screens to mechanisms and outcomes. a four-scale fcc concentration history showing why a rising national hhi and falling subnational medians must be read together without converting them into one market. federal communications commission internet access services figure 5, covering nine semiannual reporting periods from december 2020 through december 2024 for residential fixed connections meeting the 100/20 mbps threshold. the packet preserves the national hhi and medians of separately calculated state, county, and census-tract hhis as distinct geographic summaries.","connectionCount":4,"x":385.785,"y":393.343,"distance":1,"radius":11,"labelVisible":true},{"id":"report:insight-geographic-screen-divergence","kind":"report","label":"Geographic concentration screens point in different directions at different scales.","shortLabel":"Geographic screens","description":"Six FCC and FDIC comparisons retain their own geography, ownership rule, reporting universe, and time interval. FCC broadband summaries and FDIC branch-deposit screens use different sectors, units, ownership rules, and periods. Their directions are not combined into a geographic competition index.","href":"/insights/geographic-concentration-screen-divergence","metricLabel":"Exact signals","metricValue":"6","detail":"AR-CI-2026-04 / Domain readout","status":"current insight","year":2026,"color":"#6366f1","searchText":"geographic concentration screens point in different directions at different scales. geographic screens six fcc and fdic comparisons retain their own geography, ownership rule, reporting universe, and time interval. broadband geographies domain readout ar-ci-2026-04 five screens moved lower and one moved higher. across 6 exact latest-to-prior rows, 1 increased, 5 decreased. that split spans two public systems and two unequal observation windows. the national fixed-broadband hhi rose while three geographic medians fell. united states moved from hhi 1,195 in dec 2023 to 1,501 in dec 2024 (+306 hhi points). median state moved from hhi 2,994 in dec 2023 to 2,937 in dec 2024 (-57 hhi points). median county moved from hhi 5,356 in dec 2023 to 4,599 in dec 2024 (-757 hhi points). median census tract moved from hhi 5,859 in dec 2023 to 5,504 in dec 2024 (-355 hhi points). national and median-state branch-deposit screens both moved lower over 2015-2025. the national branch-deposit hhi moved from 410 in 2015 to 401 in 2025 (-9.0 hhi points). the annual 51-jurisdiction median branch-deposit hhi moved from 958 in 2015 to 903 in 2025 (-55.0 hhi points). median census tract residential fixed broadband tract median median county residential fixed broadband county median median state residential fixed broadband state median statewide branch-deposit screens median statewide bank-deposit hhi u.s. fixed broadband connections residential fixed broadband national hhi united states branch-deposit screen national bank-deposit hhi","connectionCount":3,"x":305.711,"y":292.933,"distance":1,"radius":11,"labelVisible":true},{"id":"report:insight-fixed-broadband-scale-divergence","kind":"report","label":"National fixed-broadband HHI rose while three geographic medians fell.","shortLabel":"Broadband scales","description":"One FCC release provides a useful scale comparison, but the national value and medians of area-level HHIs remain different summary statistics. 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