{"license":"https://creativecommons.org/licenses/by/4.0/","dataset":"markets","count":2,"filters":{"markets":["us-fixed-broadband-access","us-search-engine-usage"],"marketsMatched":true,"matchedMarketCount":2,"matchedMarketSlugs":["us-fixed-broadband-access","us-search-engine-usage"],"unmatchedMarkets":[]},"rows":[{"id":"mkt-fixed-broadband","slug":"us-fixed-broadband-access","name":"U.S. residential fixed broadband access","shortName":"Fixed broadband","geography":"United States / separately reported state, county, and census-tract summaries","sector":"Telecommunications","dataVintage":"2024","naicsCode":"517111","industryHref":"/industries/517111","crosswalkHref":"/markets/economy?bridgeMarket=us-fixed-broadband-access&bridgeNaics=517111#market-industry-crosswalk","latestHhi":1501,"concentrationClass":"moderately_concentrated","cr4":null,"topFirmShare":null,"hhiAtOrAbove2500":false,"hhiDisclosureGap":false,"dataStatus":"verified","confidenceLevel":"high","sourceCount":1,"policySourceCount":0,"policyEventCount":0,"reportCount":1,"briefAction":"Track roll-ups, serial acquisitions, vertical restraints, and remedy compliance before concentration hardens further.","briefActionLevel":"Near-term watch","briefChange":"HHI rose by 330 points from 2020 to 2024, moving from 1,171 to 1,501.","briefComparisonDelta":330,"briefComparisonDirection":"increased","briefComparisonFromYear":2020,"briefComparisonMetric":"hhi","briefComparisonToYear":2024,"briefEvidence":"1 record in the evidence custody chain, 0 latest share rows, 0 linked official records, and 1 related brief support this profile. Status is verified with high confidence.","briefEvidenceState":"measured_hhi","briefGuardrail":"This brief summarizes the observatory's published market screen. It does not define a legal antitrust market, establish market power, identify anticompetitive conduct, estimate consumer harm, or convert descriptive concentration into a causal claim.","briefHeadline":"Fixed broadband: moderately concentrated, with observed HHI up 330 points.","briefHref":"/markets/us-fixed-broadband-access#overview","briefQuestion":"How does the published concentration screen vary across relevant geographic markets, customer groups, and later source releases?","briefSourceIds":"fcc-internet-access-dec-2024","briefStructure":"The latest 2024 screen reports HHI 1,501, classified as moderately concentrated."},{"id":"mkt-search","slug":"us-search-engine-usage","name":"U.S. search engine usage","shortName":"Search engines","geography":"United States","sector":"Digital platforms","dataVintage":"2026","naicsCode":"518210","industryHref":"/industries/518210","crosswalkHref":"/markets/economy?bridgeMarket=us-search-engine-usage&bridgeNaics=518210#market-industry-crosswalk","latestHhi":7359,"concentrationClass":"highly_concentrated","cr4":99.4,"topFirmShare":85.16,"hhiAtOrAbove2500":true,"hhiDisclosureGap":false,"dataStatus":"estimated_public","confidenceLevel":"medium","sourceCount":1,"policySourceCount":2,"policyEventCount":3,"reportCount":3,"briefAction":"Test whether the dominant firm controls access, switching, pricing, defaults, distribution, or other chokepoints that weaken consumer choice.","briefActionLevel":"Immediate review","briefChange":"HHI fell by 591 points from 2023 to 2026, moving from 7,950 to 7,359.","briefComparisonDelta":-591,"briefComparisonDirection":"decreased","briefComparisonFromYear":2023,"briefComparisonMetric":"hhi","briefComparisonToYear":2026,"briefEvidence":"3 records in the evidence custody chain, 7 latest share rows, 3 linked official records, and 3 related briefs support this profile. Status is estimated public with medium confidence.","briefEvidenceState":"measured_hhi","briefGuardrail":"This brief summarizes the observatory's published market screen. It does not define a legal antitrust market, establish market power, identify anticompetitive conduct, estimate consumer harm, or convert descriptive concentration into a causal claim.","briefHeadline":"Search engines: highly concentrated, with observed HHI down 591 points.","briefHref":"/markets/us-search-engine-usage#overview","briefQuestion":"Does the observed usage structure persist in revenue, switching, access, quality, and conduct evidence under a legally relevant market definition?","briefSourceIds":"statcounter-search-us-2026|doj-google-search-case-2020|doj-google-search-remedies-2025","briefStructure":"The latest 2026 screen reports HHI 7,359, classified as highly concentrated. Google Search leads the sourced distribution at 85.2%. The four largest named participants account for 99.4%."}]}